

-
Description for 3M Polyester Tape 8403
It is tape with a silicone adhesive for holding down bagging materials and parts during composite and metal bonding operations. Ideal for splicing applications on surfaces that are difficult to adhere too, such as silicone coated papers and films.Chemical Resistance Chemical resistant adhesive Application Type Bond, Masking Material Form Tape Substrate Composite, Metal, Silicone coated papers, Steel, Silicone coated films Industry Splicing applications Manufacturer 3M Chemistry Silicone Cure Method Pressure Sensitive Color Translucent green, Translucent green Total Thickness (mm) 0.061 Single Sided Single Sided High Temperature Resistance (°C) 350, Short Term, Heat Resistance Low Temperature Resistance (°C) -
Technical Data for 3M Polyester Tape 8403
Overview
-
Chemical Resistance
- Chemical Resistance - Chemical resistant adhesive
-
Material Form
- Tape
-
Substrate
- Metal
- Steel
- Silicone - Silicone coated films
- Composites - Composite
- Paper - Silicone coated papers
-
Industry
- Industrial
- Splicing - Splicing applications
- Packaging - Shipping
- Other - Protective overall mask on panels to mild caustic or acid bath etching. Helps prevent scratches during handling and provides desired masking during bonding and fabrication, Holding of parts or vacuum bags during composite bonding process, Mask for metal in acid or caustic chemical milling baths, Masking parts in anodizing processes., Paint masking of materials subjected to high temperatures, Suitable for cutting into desired shapes for use in masking operations, Holding down bagging materials, Flash breaker in metal bonding processes where the excess epoxy (flash) flows on the tape
-
Chemistry
-
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
-
Color
- Translucent - Translucent green
- Green - Translucent green
Specifications
Bond Strength
General Bond Strength (psi) 27 (oz./in.) Test Method Tensile Strength (psi) 41 (lbs./in.) Test Method Tape Properties
Total Thickness (mm) 0.061 Single Sided Single Sided Tape Backing Polyester Material Resistance
Environmental Resistance Durability in difficult environments High Temperature Resistance (°C) 350, Short Term, Heat Resistance Test Method Low Temperature Resistance (°C) Test Method Hardness
Elongation (%) 140 Test Method Flexibility Retains Flexible Business Information
Shelf Life Details Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% R.H. in the original packaging, To obtain best performance, use this product within 24 months from date of manufacture Shelf Life Temperature (°F) 70 Shelf Life Type From date of manufacture Shelf Life (mon) 24 -
-
Best Practices for 3M Polyester Tape 8403
-
Comparable Materials for 3M Polyester Tape 8403
Spec Engine® Results
Popular Articles
6 objects held together by adhesives you probably can't live without
Read ArticleTesting the effectiveness of surface treatments
Read ArticleElectrically Conductive Adhesives
Read ArticleInfographic: ENSURING A STRONG BOND - 6 Basic Methods of Surface Preparation
Read ArticleSponsored Articles
Unique Advantages of Contact Adhesives
Read ArticleUsing LOCTITE® 454™ is a Valid Option for Engineers Working with a Wide Variety of Materials
Read ArticleSylgard 184 by DOW is the Top Choice for a Transparent, Silicone Encapsulant. Read Why:
Read ArticleCase Study: Creating reliable, corrosion-free bonds with LORD® 406 acrylic adhesive
Read ArticleFeatured Ads

General Bond Strength Test Methods
General Bond Strength | Substrate | Test Method |
---|---|---|
27 (oz./in.) | Steel | ASTM D-3330, width |
Tensile Strength Test Methods
Tensile Strength | Test Method |
---|---|
41 (lbs./in.) | ASTM D-3759, at Break, width |
High Temperature Resistance Test Methods
High Temperature Resistance | Test Method |
---|---|
350°C | Removes cleanly and remains flexible after 3 hours, in autoclave. |
Short Term | |
Heat Resistance |
Low Temperature Resistance Test Methods
Low Temperature Resistance | Test Method |
---|
Elongation Test Methods
Elongation | Test Method |
---|---|
140 % | D-3759 (at Break) |