3M 401B

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Description for 3M 401B

A natural rubber adhesive system that offers good to excellent adhesion to many types of surfaces.

Chemical Resistance	Chemical Resistance: Medium solvent resistance
Application Type	Bond, Hold, Mount
1 Part or 2 Part	1-Part
Material Form	Paper Tapes
Substrate	Fabrics, Glass, Foil, Paper, Plastic, Rubber, Steel, Wood, Metal
Industry	Splicing of papers
Manufacturer	3M
Chemistry	Natural Rubber
Cure Method	Pressure Sensitive
Application Temperature (°F)	70 to 100
Color	Off White
High Temperature Resistance (°C)	93

Best Practices for 3M 401B

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Technical Data for 3M 401B

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Overview

Chemical Resistance
- Chemical Resistance : Relative Solvent Resistance - Medium solvent resistance
Application Type
- Adhesive - Bond, Hold, Mount
1 Part or 2 Part
- 1-Part
Material Form
- Tape - Paper Tapes
Substrate
- Glass
- Metal - Foil
- Steel
- Plastic
- Rubber
- Wood
- Fabric - Fabrics
- Paper
Industry
- Sporting Equipment - Golf club grips
- Industrial - Core starting of Papers, Hand grips, Milling, Photopolymer printing plates, Print cylinders
- Splicing - Splicing of papers
Chemistry
- Other - Natural Rubber
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Off-White - Off White

Specifications

Cure Specs

Application Temperature (°F)	70 to 100

Bond Strength

General Bond Strength (psi)	Good to excellent
Peel Strength (piw)	65 (Oz./in.)	Test Method
Shear Strength (psi)	Good shear resistance

Material Resistance

UV Resistance	UV resistance
High Temperature Resistance (°C)	93

Hardness

Flexibility	Medium-firm

Business Information

Shelf Life Details	Store in original cartons at 70°F (21°C) and 50% relative humidity.;When stored under proper conditions, product retains its performance and properties for one year from date of manufacture.
Shelf Life Temperature (°F)	70
Shelf Life Type	from date of manufacture
Shelf Life (mon)	12

Best Practices for 3M 401B

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1. Surface Preparation
  
  To obtain optimum adhesion, the bonding surfaces must be clean, dry and well unified. Typical surface cleaning solvents are isopropyl alcohol and water (rubbing alcohol) or heptane.*
  
  *Be sure to follow manufacturer’s safety precautions and directions for use when using solvents.
2. Application
  
  Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure helps develop better adhesive contact and improve bond strength.
  
  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.
Comparable Materials for 3M 401B

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Spec Engine^® Results
- VHB Tape 4646(3M)
  • Dark gray • Interior bonding applications • Exterior bonding applications • Replace spot welds • Excellent solvent resistance. • Replace liquid adhesives • Replace rivets • High temperature resistance • UL 746C • Excellent durability.
- Single-Coated Urethane Foam Tape 4108(3M)
  A natural-white, firm, high-density, open-cell foam with pressure-sensitive adhesive on one side. The acrylic adhesive offers high initial quick stick to many types of surfaces along with excellent shear strength and high temperature performance.
- 4932(3M)
  White, closed-cell acrylic foam carrier • Good adhesion to polypropylene and many powder paints• Apply as low as 50°F (10°C)
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