In our traditional concept, we always think “Thicker tape means stronger adhesion?” Is this really the truth? NO.

Actually, adhesion mainly depends on the adhesive’s formulation(adhesive type, adhesive solids content), the compatibility of the substrate and the adhered object, and coating uniformity. Tape thickness is determined by cushioning or gap-filling needs.Thick tapes aren’t necessarily stronger, and thin tapes can still provide reliable bonding with high-quality adhesives.

Thickness has no direct relationship with Adhesion：

Thickness mainly depends on the carrier and adhesive layer.

Thick double-sided tapes (e.g., foam tapes) generally offer strong gap-filling properties, compensating for uneven surfaces.

Thin double-sided tapes (e.g., PET, nonwoven carriers) are better suited for flat, smooth surfaces, ensuring better aesthetics and fit.

Adhesion mainly determined by adhesive formulation.

Regardless of thickness, the true bonding performance is decided by the pressure-sensitive adhesive itself, such as acrylic, rubber, or silicone systems.

Tapes of the same thickness but different adhesives may vary significantly in initial tack, holding power, temperature resistance, and aging resistance.

Summary：

1.Thickness ≠ Adhesion.

2.Thick tapes are generally more suitable for rough and irregular surfaces.

3.Thin tapes are more suitable for smooth and precision bonding.

4.Adhesion strength should be judged by the adhesive system and performance parameters.

Application Comparison by Tape Thickness：

Key Takeaways：

Thin ≠ Weak Adhesion → Thin tapes can achieve strong bonding but require smooth surfaces.

Thick ≠ Stronger Adhesion → The key advantage of thick tapes lies in gap filling and impact resistance, not simply stronger adhesive force.

Final bonding performance depends on：Adhesive System + Thickness + Substrate Characteristics.

Characteristics of Foam Materials：

Surface roughness and porosity;

Relatively low surface energy (e.g., PE/EVA foams are difficult to bond with general adhesives);

Softness and elasticity, prone to shifting during lamination and service.

Advantages of F6 Double-Sided Tape：

Acrylic PSA：excellent aging resistance, temperature resistance, and holding power.

High initial tack + long-term adhesion, maintaining reliable bonding even on rough or low surface energy materials.

Multiple thickness options (commonly tissue, PET, or nonwoven carriers) to balance fit and cushioning.

F6 double-sided tapes use Acrylic Pressure-Sensitive Adhesive, offering excellent aging, temperature, and weather resistance, making them suitable for long-term applications in automotive, electronics, and outdoor use. While their cost and quality may be less obvious in general bonding, their advantages shine in specialized foam bonding (PU, PE, EPDM, etc.), providing precise substrate compatibility, strong stability, weather resistance, conformability, and superior cost-effectiveness.”

Typical Applications：

Automotive: bonding of foams (PU, PE, EVA) with plastics/metal parts.

Appliances:：attachment of cushioning strips and sealing foams.

Electronics：foam pads, shock-absorbing foams combined with housings.

Construction：sealing foams, sound insulation materials.

Conclusion：

In summary, we must clearly know that  “Thickness ≠ Adhesion” and learn to judge bonding performance based on the characteristics of the surface being bonded and the adhesive system (such as Acrylic PSA). F6 Double-Sided Tape delivers strong weather and temperature resistance, excels in bonding rough or low-energy surfaces, and offers high tack with customizable thickness. Its balance of performance and cost makes it ideal for automotive, appliance, electronics, and construction applications.

Dear Customer,

Thank you for choosing our water-based PSA product.

This adhesive is an acrylic emulsion, non-hazardous, with low VOC content. It is more environmentally friendly and safer for operators’ health, while maintaining bonding strength and heat/humidity resistance comparable to traditional solvent-based PSAs.

On Odor

Low VOC does not necessarily mean low odor.

Even water-based PSAs have a certain level of odor. Perception of odor varies among individuals due to differences in olfactory sensitivity. For customers with low-odor requirements, please ensure good workshop ventilation after coating, and avoid storing PSAs together with other solvent-based or odorous materials in the same space.

On Solid Content & Viscosity

Our water-based PSAs are generally supplied in high-solid form (≥50% solids) to suit coating lines of various lengths and heating conditions. This helps reduce energy consumption, lower water content, and shorten drying time.

• Typical RT viscosity: 10,000 – 25,000 mPa·s

• Suitable for:

  • Oven length: 16 – 30 m

  • Wet coating weight: 80 – 200 g/m²

  • Line speed: 3 – 20 m/min

If your oven length, coating weight, or line speed exceeds these ranges, please inform us so we can adjust the viscosity to ensure coating compatibility.

Key Coating Considerations

1. Five critical coating variables: temperature profile, coating speed, air in/out volume, lamination pressure, curing time.

   • These must be adjusted based on oven length, heating power, coating weight, substrate type, and adhesive performance requirements.

   • If you are using our PSA for the first time, please inform us of your equipment specifications (length, heating method) so we can recommend optimal coating parameters.

2. Drying principle: Water-based PSAs dry by water evaporation.

   • Air volume balance is often overlooked. Insufficient dehumidification may lead to high moisture concentration inside the oven, causing condensation or poor drying efficiency.

3. Dry adhesive lamination:

   • Prefer two-step lamination:

     • Step 1: Pre-lamination (light pressure to exhaust air and smooth surface)

     • Step 2: Final lamination (higher pressure to enhance penetration and adhesion)

   • One-step lamination may cause material deformation or thickness reduction, leading to shrinkage after die-cutting.

4. Glue pan handling:

   • Keep liquid level 1 cm below the baffle to avoid roller–baffle friction that generates heat and dried gel particles, which may block the doctor blade and cause line defects.

   • Periodically spray ~75% ethanol at the baffle edges to reduce bubbles and dried particles.

5. Curing time:

   • Adhesive strength improves with curing.

   • 24 hours: good adhesion

   • 72 hours: stable adhesion

   • For low-density foams without release liners, avoid multi-layer die-cutting, as adhesive penetration may cause “loss of tack.”

6. Release liner precautions:

   • Paper liners with single-side PE/silicone coatings may warp under high humidity, causing delamination. Ensure proper dehumidification.

   • Under very dry conditions, ensure re-moisturizing to prevent liner curling or strong static buildup.

Adhesive Storage

• Store at 0–40℃.

• Use within 6 months for best performance.

• After opening, seal tightly to prevent surface skinning.

• If additives are introduced or the adhesive is altered without our consent, we will not be responsible for quality issues.

Manual Application Notes

1. Temperature control:

   • Ensure workshop temperature is above 10℃.

   • Substrate temperature must not be below 9℃.

2. Surface preparation:

   • Metal parts: free from oil, condensation, or coolant.

   • Plastic parts: free from mold-release agents.

3. Manual bonding:

   • Apply a lamination pressure of at least 100 gf/cm².

   • Cold press dwell time: ≥1 second (longer is better).

PET double-sided tape is made with PET film as the base material. It has high bonding strength, good stability, as well as temperature resistance (usually -40℃~120℃), aging resistance and corrosion resistance. It can replace screws and other mechanical fasteners, used in electronics, automotive and home appliance fields to fix screen components, interior parts and circuit boards. It can also attach advertising letters and decorative panels to ensure a flat surface.Below is an introduction to our company’s PET D/S Adhesive Tape series:

（一）Basic Characteristic：

Product Type	F708	F709	F710	F708-20	FR708-20	F7013
Image
Carrier	Polyester	Black Polyester	Polyester	Polyester	Polyester	Polyester
Type of Adhseive	Solvent Pressure Sensitive Adhesive					Solvent & Rubber
Total Thickness	0.125mm	0.125mm	0.1mm	0.2mm	0.2mm	0.125mm
180°Peel Adhesion	25N/25mm	26N/25mm	17N/25mm	28N/25mm	29N/25mm	18N/25mm
Loop Tack	22#	22#	18#	30#	30#	18#
Temperature Resistance Range	-10℃-100℃	-10℃-100℃	-10℃-100℃	-10℃-120℃	-10℃-100℃	0℃-60℃

（二）Application Area：

（三）Advantages Over Brand Tapes：

1、Narrowing Performance Gap

Our Products are coated with in-house developed acrylic pressure-sensitive adhesive, which provides excellent bonding strength to most materials. The performance meets the majority of requirements in automotive, electrical, and household appliance assembly. Under normal application scenarios, the performance gap compared to branded tapes has become minimal.

2、Cost Advantage

As an alternative to branded double-sided tapes, our products deliver comparable performance at only a fraction of the price. This significantly reduces costs for both enterprises and end-users, offering a clear cost-performance advantage.

3、Low Minimum Order Quantity (MOQ)

Many branded tapes only accept large-volume orders with little to no support for small-batch customization. In contrast, our tapes are available with a lower MOQ, allowing customers to avoid excessive procurement, unnecessary capital lock-up, and inventory build-up.

4、Lead Time & Flexibility

Branded tapes often involve long lead times, with some models even requiring overseas sourcing. Our products offer much shorter delivery cycles, with the ability to provide quick sampling, customized thickness, and slitting dimensions.

5、Environmental Compliance

Our PET double-sided tapes comply with environmental and safety standards, certified by SGS, ISO, and RoHS. They are halogen-free and fully RoHS-compliant, meeting the environmental requirements of both domestic and international customers.

（四）Conclusion：

If you are currently using brand tape, you can try our product . Especially for manufacturers of PET double-sided adhesive tape for large-scale applications, such as home appliance assembly and automotive interior, the cost difference is very significant. If you are interested in our products, you can contact us on the consultation page. We can provide you with samples！

When it comes to high-performance double-sided tapes in the automotive industry, 3M 9475LE is often the go-to choice. However, for those looking for a more cost-effective option without sacrificing performance, F6 708 is quickly becoming a top alternative—especially in automotive applications. Let’s explore why F6 708 is an excellent substitute for 3M 9475LE, offering similar features and great value.

1. Adhesive System and Backing

      3M 9475LE: Built with high-performance Acrylic adhesive on a PET (polyester) film, it provides outstanding shear strength and dimensional stability. This makes it ideal for demanding, long-term applications.

      F6 708: Uses the Solvent-based PSA+ PET film construction. While its formulation focuses on cost-performance balance, it delivers reliable bonding strength on common automotive materials such as ABS, PVC, and PP.

2. Temperature Resistance

• 3M 9475LE:

  • Short-term resistance: up to 150°C,Long-term resistance: up to 90°C

  • Well-suited for exterior automotive parts and under-the-hood components where high heat is expected.

• F6 708:

  • Short-term resistance: up to 120°C ,Long-term resistance: up to 60°C

  • More appropriate for interior applications, where extreme heat exposure is less critical.

3. Adhesion Strength and Holding Power

• 3M 9475LE:

  • Offers exceptional bonding to low-surface-energy (LSE) materials such as polypropylene (PP) and polyethylene (PE).

  • This capability is critical not only in the automotive industry (dashboard plastics, trims, interior parts), but also in electronics (PP housings, PE films), appliances, and industrial equipment where LSE substrates are widely used.

  • High shear strength ensures durability under vibration and stress, making it ideal for badges, emblems, and trims exposed to exterior conditions.

• F6 708:

  • Peel adhesion values such as 33 N/25mm on PVC and strong performance on ABS and PC show that it delivers sufficient strength for interior trims and decorative parts.

  • Offers reliable shear resistance for most interior bonding tasks, though slightly lower than 3M 9475LE under continuous mechanical stress.

4. Cost Efficiency

     3M 9475LE: A premium solution with proven durability and environmental resistance, but its higher price makes it less economical for large-scale, cost-sensitive projects.

     F6 708: Offers comparable adhesion performance in many use cases at a more competitive cost, making it highly attractive for mass production of automotive interiors and decorative elements.

5. Application Focus

• 3M 9475LE:

  • Ideal for critical parts requiring maximum durability: exterior trims, nameplates, badges, and engine-related components.

  • Excels in harsh environments with exposure to UV, heat, and moisture.

• F6 708:

  • Optimized for interior automotive applications such as dashboard trims, door panels, console components, and decorative moldings.

  • Best suited for high-volume manufacturing, where performance must align with strict cost targets.

Conclusion

Both 3M 9475LE and F6 708 deliver strong bonding and reliable performance. However, their strengths lie in different areas:

3M 9475LE remains the premium choice for exterior and high-heat applications, where long-term durability under harsh conditions is critical.

F6 708, on the other hand, provides excellent performance for interior automotive parts, offering a cost-effective alternative that meets most bonding requirements while significantly reducing material expenses.

In short, F6 708 is the smart substitute for 3M 9475LE when performance and cost efficiency must go hand in hand—especially in the automotive industry. ⚙️✨

The Shanghai APFE Adhesive Tape and Film Exhibition, also known as the 19st Shanghai International Adhesive Tape and Film Exhibition (APFE 2023), is a prestigious event dedicated to the global adhesive tape and film industry. F6 Adhesive Tape as  an exhibitor show the latest self-developed adhesive products.Here are the details about the exhibition:

Exhibitor	Ningbo Yongliu New Material Technology CO.,LTD
Booth.No	2A30
Date	June 19, 2023 – June 21, 2023
Location	NECC（Hongqiao）Shanghai/ China
F6 Products On Display	Solvent Based & Water Based Acrylic Adhesive Tissue Paper & Non Woven Fabric Double Sided Tape PE & Acrylic Foam Tape Transfer Tape PET & MOPP  Holding Tape
Items To Be Exhibited	Film production line, Coating Machine, Splitting machine, Die Cutting Machine, Winding Control, Adhesive Tape, Protective Film, Functional Film, Package, Release Material, Pressure Sensitive Label, Die Cut Roll material, Raw Materials and Chemicals
For Visitors	Eligibility : Trade only Method of admission : Apply/register online For details, please contact the organizer directly
Industry	Automotive, Home appliance, Building&construction, Electronics, Flexible packaging
Frequency	Annual
Official Website	For more detailed information of the trade fair, please check：https://www.apfechina.com/

The Shanghai APFE Adhesive Tape and Film Exhibition, also known as the 20st Shanghai International Adhesive Tape and Film Exhibition (APFE 2024), is a prestigious event dedicated to the global adhesive tape and film industry. F6 Adhesive Tape as  an exhibitor show the latest self-developed adhesive products.Here are the details about the exhibition:

Exhibitor	Ningbo Yongliu New Material Technology CO.,LTD
Booth.No	1.1-1T16
Date	June 3, 2024 – June 5, 2024
Location	NECC（Hongqiao）Shanghai/ China
F6 Products On Display	Solvent Based & Water Based Acrylic Adhesive Tissue Paper & Non Woven Fabric Double Sided Tape PE & Acrylic Foam Tape Transfer Tape PET & MOPP  Holding Tape
Items To Be Exhibited	Film production line, Coating Machine, Splitting machine, Die Cutting Machine, Winding Control, Adhesive Tape, Protective Film, Functional Film, Package, Release Material, Pressure Sensitive Label, Die Cut Roll material, Raw Materials and Chemicals
For Visitors	Eligibility : Trade only Method of admission : Apply/register online For details, please contact the organizer directly.
Industry	Automotive, Home appliance, Building&construction, Electronics, Flexible packaging
Frequency	Annual
Last Fair Information	Exhibition Area: 53,000 square meters Number of Exhibitors: 900 companies Number of Visitors: Expected to exceed 39,000
Official Website	For more detailed information of the trade fair, please check：https://www.apfechina.com/

Foam Expo North America is recognized as a premier trade fair, attracting professionals, manufacturers, and experts from the foam and adhesive industries. It ailored to serve a range of end-user industries, and delivers in-depth knowledge and expertise on the dynamic world of foam.

F6 Adhesive Tape as a leading manufacturer of high-quality industrial tapes.We are very pleased to participate in 2025 Foam Expo North America and showcases our latest innovative adhesive products.Here are the details about the exhibition:

Exhibitor	Ningbo Yongliu New Material Technology CO.,LTD
Booth.No	1002
Date	June 24, 2025 – June 26, 2025
Location	Novi, Michigan / USA / North America
F6 Products On Display	Solvent Based & Water Based Acrylic Adhesive Tissue Paper & Non Woven Fabric Double Sided Tape PE & Acrylic Foam Tape Transfer Tape PET & MOPP  Holding Tape
Items to be exhibited	Foam Equipment and Machinery, Raw Materials, Processing, Laminating, Molding, Cutting, Converting, Fabricating, Recycling and Testing
For Visitors	Eligibility : Trade only Method of admission : Apply/register online For details, please contact the organizer directly.
Industry	Fundamental Industries, Chemistry, Rubber, Plastics, Materials Machinery, Industrial Technology,Testing, Measuring & Analyzing, Precision Mechanics, Manufacturing Technology & Engineering,  Technology/Materials,Composites, R & D, Transportation, Logistics, Packaging , Automobiles(incl. Parts, Machinery), Aviation, Airport Equipment
Last Fair Information	2024 year Total number of visitors : 5300 Total number of exhibitors : 388 The past records may include concurrent/joint exhibits.
Official Website	For more detailed information of the trade fair, please check：https://www.foam-expo.com/

In automotive air conditioning systems, PU foam in the air ducts may seem inconspicuous,

but it plays a crucial role:

Outstanding Noise Reduction – As an acoustic barrier in the airflow passage, PU foam absorbs and blocks broadband noise (especially mid-to-high frequency wind noise) generated by airflow, significantly improving the NVH (Noise, Vibration, and Harshness) performance of the cabin and enhancing driving comfort and perceived quality.

Efficient Thermal Insulation, Energy Savings, and Protection – Its combined closed-cell/open-cell pore structure forms an effective thermal barrier, reducing heat loss along the duct walls, lowering A/C energy consumption, and maintaining air delivery temperature. This also prevents condensation on the outer wall of the duct caused by temperature differences, eliminating dripping water that could potentially corrode the vehicle chassis sheet metal, wiring connectors, or critical electronic components, thereby improving the system’s long-term reliability.

To achieve efficient, reliable, and environmentally friendly bonding of PU foam to the complex three-dimensional surfaces of air ducts, our newly developed F5001A Water-Based Acrylic Pressure Sensitive Adhesive F0965 stands out for its unique integrated performance, becoming the most promising bonding solution available today.

1. Core Application Advantages of  F5001A- F0965

1. Environmentally Friendly and Healthy Choice

Significant low-odor, low-VOC characteristics vs. solvent-based PSA:

The water-based system uses water as the dispersion medium, containing little to no organic solvent. During production, coating, assembly, and in-vehicle use, its VOC (volatile organic compounds) and odor emissions are far lower than those of solvent-based adhesives. It complies with increasingly stringent environmental regulations (GB/T 27630, VDA 270, ISO 12219) and OEM standards, ensuring worker health and improving in-cabin air quality.

Practical Value: Eliminates the need for costly exhaust gas incineration systems (RTO) and their operating costs.

2. Excellent Environmental Durability

Superior heat and humidity resistance vs. hot melt PSA:

F0960 is made of acrylate polymers with outstanding aging resistance and molecular stability. In long-term high-temperature (>80°C), high-humidity (85°C/85% RH) conditions inside the engine bay or dashboard, its adhesion strength degrades far less than hot melt adhesives. It has anti-yellowing properties and avoids adhesive layer chalking, creep, or delamination after prolonged service, ensuring long-term bonding effectiveness.

Practical Value: Guarantees that PU foam remains securely bonded under harsh climates and aging conditions, preventing NVH deterioration or condensation risks caused by detachment.

3. Clear Cost Advantages

More competitive total cost vs. solvent-based PSA:

While unit prices may vary, water-based adhesives significantly reduce overall costs:

• No hazardous chemicals: Not classified as hazardous materials, greatly reducing storage (no special warehouse needed), logistics, and safety compliance costs.

• Lower compliance costs: No need for expensive exhaust treatment equipment (RTO).

• Reduced energy consumption: Some processes do not require high-temperature drying tunnels (unlike hot melts that need immediate heating).

Practical Value: From a total cost of ownership (TCO) perspective, F0965 offers manufacturers a more advantageous economic outcome.

4. Improved Manufacturing Efficiency

Efficient assembly and high-reliability design:

• Fast pre-fixation: The pressure-sensitive nature allows PU foam to be temporarily fixed immediately after application, with no “cooling period” needed, simplifying processes and increasing assembly speed.

• Full coverage without gaps: The adhesive conforms tightly to all duct corners, bends, and uneven areas, ensuring complete sealing.

Compared with ultrasonic welding:

• No perforation risk: Avoids localized perforation caused by energy concentration during welding.

• Excellent conformability: Eliminates small cavities caused by poor fit, which are key spots where moist air condenses. By eliminating cavities, condensation risks are minimized at the source.

Practical Value: Enhances production takt time, eliminates sealing defects (perforations, gaps), and ensures 100% sealing reliability at delivery.

5. Lower Equipment Investment Requirements

Coating only requires water-based adhesive coating equipment (gravure, roller, knife coating) and standard hot-air drying tunnels (lower temperature and shorter time compared to solvent-based adhesives).

Compared with solvent adhesives: No multi-million-RMB RTO investment needed, nor complex high-temperature fast-drying processes.

Compared with hot melt adhesives: No high-temperature melting tanks, precision temperature controls, or anti-stringing devices required.

Compared with UV hot melts: No UV equipment needed, no concerns about irradiation intensity affecting tack or holding power, and better dispersibility for adding pigments or flame retardants.

Practical Value: Lower initial equipment investment and greater flexibility for production lines—especially suitable for small/medium-scale production or rapid product line switching.

2. Key Considerations for Successful Application

Despite the significant advantages of F0965 achieving optimal performance requires attention to:

1. Substrate Compatibility – The surface properties of PU foam (density, open-cell ratio, surface tension) are critical to adhesive wetting and bond strength. Ensure the adhesive is well matched with both PU foam and duct materials (often PP, ABS, or modified plastics). Surface pretreatment (e.g., corona, plasma) may be required.

2. Precision Coating Control – Adjust solid content, coating weight, uniformity, and drying parameters (temperature, airflow, time) according to PU foam characteristics and bonding needs, ensuring the adhesive is fully dried and activated for ideal tack/holding balance.

3. Quality Control System – Implement strict incoming adhesive inspections (viscosity, solids content, pH) and bonded component testing (peel strength at room temperature, strength after high-temp/high-humidity aging, thermal cycling resistance, VOC/SVOC tests) to ensure consistent batch quality.

   Conclusion

   Water-based acrylic pressure sensitive adhesives provide an optimal solution to the challenges of bonding PU foam in automotive air ducts, meeting environmental regulations, ensuring long-term durability, reducing production costs, improving assembly efficiency, and ensuring structural reliability.

   Its low-VOC characteristics meet health and environmental standards, while its excellent aging resistance ensures bonding reliability over the product’s full life cycle. Cost advantages enhance manufacturing competitiveness, and its ability to achieve seamless full-coverage bonding eliminates perforation risks and condensation issues seen in traditional methods such as ultrasonic welding.

   As the automotive industry moves toward environmentally friendly, lightweight, high-performance, and cost-effective manufacturing, WB-APSA will become the mainstream bonding choice for PU foam in air ducts. Materials R&D teams and process engineers should work together to continuously optimize adhesive formulations and coating processes, fully unleashing its potential to build the next generation of eco-friendly, quiet, efficient, and reliable automotive air conditioning systems.