3M 4508

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Description for 3M 4508

Adhere to a variety of substrates, including latex-painted wood, lacquered wood, enameled steel, glass, aluminum, stainless steel, acrylic, ABS, and PVC (non-plasticized) as tape adhesion is typically satisfactory within 20 minutes and continues to build with additional time.

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Chemical Resistance	Acetone, Chemical Resistance: MEK
Application Type	Bond
1 Part or 2 Part	1-Part
Material Form	Foam Tape
Substrate	Acrylic, Aluminum, Glass, PVC (non-plasticized), Enameled steel, Latex-painted wood, Stainless Steel, ABS, Lacquered wood
Industry	Copiers and other electronic, Transportation equipment, Computers
Manufacturer	3M
Chemistry	Acrylic, Vinyl
Cure Method	Pressure Sensitive
Color	Black
Aging Resistance	Excellent aging resistance
High Temperature Resistance (°C)	66, 121
Low Temperature Resistance (°C)	-18
Density (g/cm³)	High, 0.320

Best Practices for 3M 4508

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Technical Data for 3M 4508

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Overview

Chemical Resistance
- Chemical Resistance - Acetone
- Chemical Resistance : Relative Solvent Resistance - MEK
Application Type
- Adhesive - Bond
1 Part or 2 Part
- 1-Part
Material Form
- Tape - Foam Tape
Substrate
- Glass
- Aluminum
- Steel - Enameled steel
- Acrylic (PMMA) - Acrylic
- Polyvinyl chloride (PVC) - PVC (non-plasticized)
- ABS
- Wood - Latex-painted wood, Lacquered wood
- Stainless Steel
Industry
- Transportation - Transportation equipment
- Storage & Graphics - Computers
- Electronics - Copiers and other electronic
- Industrial
- Appliances
Chemistry
- Acrylic
- Other - Vinyl
Application Method
- Contact
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Black

Specifications

Cure Specs

Work / Pot Time (min)	20

Bond Strength

Tensile Strength (psi)	100	Test Method

Material Resistance

Aging Resistance	Excellent aging resistance
UV Resistance	excellent UV resistance
High Temperature Resistance (°C)	66, 121
Low Temperature Resistance (°C)	-18

Conductivity

Thermal Conductivity (W/m°K)	0.04	Test Method
Surface Resistivity (O)	4e10 (ohms/sq), 1e11 (ohms/sq)	Test Method

Hardness

Elongation (%)	200	Test Method
Shore OO Hardness	50	Test Method
Flexibility	Flexible

Other Properties

Density (g/cm³)	High, 0.320	Test Method

Business Information

Shelf Life Details	Storage: Store in the original cartons at 60-80°F (15-27°C) and 50% relative humidity.
Shelf Life Temperature (°F)	140 to 176
Shelf Life Type	From date of manufacture.
Shelf Life (mon)	18

Best Practices for 3M 4508

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1. Surface Preparation
  
  To obtain optimum adhesion, the bonding surface must be clean, dry, and well unified. Some typical surface cleaning solvents are isopropyl alcohol and heptane.
  
  Be sure to follow the solvent manufacturer’s precautions and directions for use when handling solvents.
2. Application
  
  Bond strength is dependent upon the amount of adhesive-to-surface contact. Firm application pressure develops better adhesive contact and helps improve bond strength.
  
  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 4508

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Spec Engine^® Results
- 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.
- 5952(3M)
  Dark Gray, closed-cell acrylic foam carrier • Very conformable • Good adhesion to many painted surfaces, including powder coated paint •Apply as low as 50°F (10°C) • UL 746C
- Single-Coated Urethane Foam Tape 4318(3M)
  A conformable, grey, low-density with pressure-sensitive acrylic adhesive on one side. It will adhere to a variety of substrates, including latex-painted wood, lacquered wood, enameled steel, glass, aluminum, stainless steel, acrylic, ABS, and PVC (non-plasticized).
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