3M 456CR

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Description for 3M 456CR

Double Coated Adhesive Transfer Tape with easy release blue rubber adhesive

Chemical Resistance	Excellent
Application Type	Bond
1 Part or 2 Part	1-Part
Material Form	Tape
Substrate	Polyester(PET), Natural rubber, Rubber, Stainless steel
Manufacturer	3M
Chemistry	Natural Rubber
Cure Method	Pressure Sensitive
Application Temperature (°F)	70 to 100
Color	Blue
High Temperature Resistance (°C)	66, Excellent

Best Practices for 3M 456CR

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Technical Data for 3M 456CR

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Overview

Chemical Resistance
- Chemical Resistance - Excellent
Application Type
- Adhesive - Bond
1 Part or 2 Part
- 1-Part
Material Form
- Tape
Substrate
- Rubber
- Natural Rubber
- Polyester - Polyester(PET)
- Stainless Steel
Chemistry
- Other - Natural Rubber
Application Method
- Dispenser - Lamination equipment
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Blue

Specifications

Cure Specs

Application Temperature (°F)	70 to 100

Bond Strength

General Bond Strength (psi)	70 (Oz./in.), 47 (Oz./in.)	Test Method

Material Resistance

High Temperature Resistance (°C)	66, Excellent

Hardness

Flexibility	Firm

Best Practices for 3M 456CR

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1. Surface Preparation
  
  To obtain optimum adhesion, all substrate surfaces must be clean and dry. A typical cleaning solvent is an isopropyl alcohol/water solution with a mixture ratio of 50:50 (rubbing alcohol). Be sure to follow solvent manufacturer’s precautions and directions for use when using solvents.
2. Application
  
  Ideal tape application temperature range is 70°F to 100°F (21°C to 38°C). Initial tape application to surfaces at temperatures below 50°F (10°C) is not recommended because the adhesive becomes too firm to adhere readily. However, once properly applied, low temperature holding is generally satisfactory.
  
  Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure develops better adhesive contact and helps improve bond strength. The bond strength will increase as the adhesive flows onto the surface. At room temperature approximately 50% of the ultimate strength will be achieved after 20 minutes, 90% after 24 hours and 100% after 72 hours. In some cases ultimate bond strength can be achieved more quickly by exposure of the bond to elevated temperatures (e.g. 150°F or 66°C for one hour). This provides better adhesive wet-out onto the surface.
  
  Please also refer to the technical bulletin of “Lamination Techniques for Converters for Laminating Adhesives” for more useful information on lamination techniques.
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