3M 855

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Description for 3M 855

A strong nylon backing and a high temperature rubber adhesive. Used in many composite bagging operations or assist in removing flashing after composite bonding, where the use of a non-silicone tape is preferred.

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Application Type	Bond
1 Part or 2 Part	1 Part
Material Form	Tape
Substrate	composite, Metal, Nylon, Nylon, Steel
Manufacturer	3M
Chemistry	Rubber
Cure Method	Pressure Sensitive
Color	Cream, Translucent cream

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Technical Data for 3M 855

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Overview

Application Type
- Adhesive - Bond
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Tape
Substrate
- Metal
- Steel
- Nylon
- Composites - composite
Industry
- Other - Painting, Many composite bagging operations, Removing flashing after composite bonding, Clean removal during masking
Chemistry
- Other - Rubber
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Translucent - Translucent cream
- Off-White - Cream

Specifications

Cure Specs

Application Temperature (°F)	284 to 399

Bond Strength

General Bond Strength (psi)	55 (oz./in.), 57 (oz./in.), 46 oz./in.	Test Method
Tensile Strength (psi)	31 (lbs./in.), 35 lbs./in., 32 (lbs./in.)	Test Method

Hardness

Elongation (%)	470, High, 640, 460	Test Method

Business Information

Shelf Life Details	Store under normal conditions of 60° to 80°F (16° to 27°C) and 40 to 60% relative humidity in the original packaging material.
Shelf Life Temperature (°F)	61 to 81
Shelf Life Type	From date of manufacture
Shelf Life (mon)	18

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