3M 8901 High Temperature Polyester Tape for Powder Coating

Benefits

• Helps create sharp, clean paint lines during powder coating.

• Supports consistent masking performance in high-temperature processes.

• Helps reduce residue and rework when removed under suitable conditions.

• Provides a practical solution for splicing silicone-treated papers, films, and release liners.

• Offers flexibility for industrial masking, temporary holding, and surface protection.

• Helps protect selected metal surfaces from scratches during handling and shipping.

Technical Specifications

Property	Typical Value
Product Name	3M Polyester Tape 8901
Backing Material	Polyester film (PET)
Adhesive Type	Silicone pressure-sensitive adhesive
Color	Blue, translucent
Backing Thickness	0.02 mm (20 μm)
Total Tape Thickness	0.06 mm (60 μm)
180° Peel Adhesion to Steel	3.2 N/cm
Tensile Strength	45.5 N/cm
Elongation at Break	115%
Long-Term Temperature Resistance	Up to 204°C (400°F)
Typical Roll Length	65.8 m
Available Widths	Multiple widths; confirm current availability

Note: These are typical reference values from 3M documentation, not guaranteed specifications. Temperature performance depends on exposure duration, substrate, and process conditions. Confirm the current technical data sheet before final product specification.

Applications

• High-temperature powder coating masking

• Anodizing and selected metal-finishing processes

• Splicing silicone-treated release liners, films, and papers

• Holding selected parts or vacuum bags during composite bonding

• Masking metal surfaces during chemical milling processes

• Temporary surface protection during handling and transportation

• Industrial masking requiring clean removal after heating

Compatible Materials

Depending on the process and surface condition, 3M 8901 may be suitable for:

• Stainless steel

• Anodized aluminum

• Selected metal surfaces

• Silicone-treated release liners and films

• Silicone-treated papers

• Selected composite tooling and fixtures

• Surfaces requiring temporary high-temperature masking

Adhesion and removability vary with surface finish, contamination, temperature, and dwell time. Test on the actual substrate before production use.

Industries

• Automotive and transportation

• Aerospace and composite manufacturing

• Appliance manufacturing

• Electronics manufacturing

• Metal fabrication and finishing

• Powder coating and industrial painting

• Printing and converting

• General industrial manufacturing

Why Choose 3M 8901 High Temperature Polyester Tape?

3M 8901 combines a thin polyester backing with a high-temperature silicone adhesive to support precise masking and industrial processing. Its translucent blue film helps with positioning, while its resistance to heat and chemicals makes it suitable for selected demanding applications.

For manufacturers seeking reliable masking or splicing materials, Yousan can assist with product sourcing and evaluate suitable roll widths or converting requirements based on the application.

Installation Guide

1. Prepare the surface: Ensure it is clean, dry, and free of oil, dust, and other contaminants.

2. Check compatibility: Test adhesion and removal on the actual substrate before production.

3. Apply the tape: Align carefully and apply smoothly, avoiding wrinkles, trapped air, or unnecessary stretching.

4. Press firmly: Ensure good contact, especially along masking edges.

5. Confirm process conditions: Verify temperature, exposure duration, and chemical compatibility before use.

6. Remove carefully: Follow the validated process procedure and check for residue or surface damage.

Storage

• Store in the original packaging in a clean, dry environment.

• Protect from direct sunlight, moisture, dust, and excessive heat.

• Avoid contaminating the adhesive surface before application.

• Follow 3M’s current storage recommendations and shelf-life guidance.

• Inspect the tape before use if it has been stored for an extended period or under unsuitable conditions.

FAQ

1. What is 3M 8901 polyester tape used for?
It is used for high-temperature masking, powder coating, selected anodizing processes, splicing silicone-treated liners and films, and other industrial applications.

2. What is the maximum temperature resistance of 3M 8901?
3M lists long-term temperature resistance up to 204°C (400°F). Suitability depends on the actual exposure duration and operating conditions.

3. What color is 3M 8901?
It has a blue translucent polyester backing.

4. What adhesive does 3M 8901 use?
It uses a pressure-sensitive silicone adhesive designed for high-temperature applications.

5. What is the thickness of 3M 8901?
The typical total tape thickness is 0.06 mm (60 μm), with a polyester backing thickness of 0.02 mm (20 μm).

6. Can 3M 8901 be used for powder coating?
Yes. High-temperature powder coating masking is one of its recommended applications. Validate the temperature, exposure duration, and substrate compatibility for your process.

7. Can 3M 8901 adhere to silicone-treated surfaces?
Its silicone adhesive is designed to bond to selected difficult-to-stick-to surfaces, including silicone-treated liners and films.

8. Does 3M 8901 leave residue after removal?
It is designed for clean removal from many suitable surfaces. Results depend on the substrate, temperature, dwell time, and processing conditions.

---

Downloads

Available upon request:

• 3M 8901 Polyester Tape Technical Data Sheet (TDS)
• Safety Data Sheet (SDS)
• Adhesive Tape Selection Guide
• Product Brochure
• Die-Cutting Capability Guide

Please contact our sales team if you require the latest technical documentation.