3M Single-Coated Urethane Foam Tape 4318

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Description for 3M Single-Coated Urethane Foam Tape 4318

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,<br/>acrylic, ABS, and PVC (non-plasticized).

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Chemical Resistance	Acetone, Chemical Resistance: Solvent resistance, Chemical Resistance: Fluid Resistance: Soapy Water Resistance, Seal out air, Ammonia Cleaner, Chemical Resistance: MEK, Engine Oil, Gasoline, JP-4 (jet fuel), Mineral Spirits
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	Printers, Automotive dash boards, Keyboards, Recessed lighting seal, Computers, Window seal, Door seal, Aircraft lights, Can be used to help cushion vibration in electronics, Aircraft lights, Can be used to help damp sound vibration in electronics, Can be used to help absorb vibration in electronics
Manufacturer	3M
Chemistry	Acrylic adhesive
Cure Method	Pressure Sensitive
Application Temperature (°F)	70 to 100
Color	Grey
Tape Width (mm)	6 to 1,168
Total Thickness (mm)	3.200
Single Sided	Single coated
Carrier Thickness (mm)	0.076
Liner Thickness (mm)	0.080
Silicone/Silicone Paper	Liner Type: Silicone treated paper liner
Fungus Resistance	Mildew resistance, Mold resistance
Aging Resistance	Excellent
High Temperature Resistance (°C)	66, 121
Low Temperature Resistance (°C)	-29
Other Resistance	Seal out dust
Conformable	Conformable
Compression Set (%)	5.000
Density (g/cm³)	Low, 0.032
Key Specifications	Registered to ISO 9001 standards, Meets F.A.R requirement
Tape Backing/Carrier	Urethane

Best Practices for 3M Single-Coated Urethane Foam Tape 4318

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Technical Data for 3M Single-Coated Urethane Foam Tape 4318

*See Terms of Use Below

Overview

Chemical Resistance
- Air Resistance - Seal out air
- Chemical Resistance : Fluid Resistance : Water Resistance - Soapy Water Resistance
- Chemical Resistance - Acetone, Ammonia Cleaner, Engine Oil, Gasoline, JP-4 (jet fuel), Mineral Spirits
- Chemical Resistance : Relative Solvent Resistance - MEK, Solvent resistance
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
- Other - Variety of substrates
Industry
- Lighting - Recessed lighting seal, Aircraft lights
- Keyboards
- Storage & Graphics - Computers
- Automotive - Automotive dash boards
- Aircraft - Aircraft lights
- Electronics - Printers, Can be used to help absorb vibration in electronics, Can be used to help damp sound vibration in electronics, Can be used to help cushion vibration in electronics
- Construction Window - Window seal
- Construction Door - Door seal
- Other - Cabinet seal
Chemistry
- Acrylic - Acrylic adhesive
Application Method
- Contact
Cure Method
- Pressure Sensitive (min) - Pressure Sensitive
Color
- Gray - Grey
Key Specifications
- International Organization for Standardization - Registered to ISO 9001 standards
- UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - Meets F.A.R requirement
Tape Backing/Carrier
- Other - Urethane

Specifications

Cure Specs

Application Temperature (°F)	70 to 100

Bond Strength

General Bond Strength (psi)	Offers good quick stick	Test Method
Tensile Strength (psi)	25 (lb/in² )	Test Method

Tape Properties

Tape Width (mm)	6 to 1,168
Total Thickness (mm)	3.200
Single Sided	Single coated
Carrier Thickness (mm)	0.076
Liner Thickness (mm)	0.080

Material Resistance

Fungus Resistance	Mildew resistance, Mold resistance	Test Method
Aging Resistance	Excellent
UV Resistance	Excellent
High Temperature Resistance (°C)	66, 121	Test Method
Low Temperature Resistance (°C)	-29	Test Method
Other Resistance	Seal out dust

Conductivity

Dielectric Strength (V/mil)	20	Test Method
Thermal Conductivity (W/m°K)	0.04	Test Method
Surface Resistivity (O)	6e12 (ohms/sq), 1e13 (ohms/sq)	Test Method

Hardness

Conformable	Conformable
Compression Set (%)	5.000	Test Method
Elongation (%)	125	Test Method
Shore OO Hardness	10	Test Method
Flexibility	Very soft

Other Properties

Density (g/cm³)	Low, 0.032	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 is 24 months from date of manufacture.
Shelf Life Temperature (°F)	140 to 176
Shelf Life Type	From date of manufacture
Shelf Life (mon)	24

Best Practices for 3M Single-Coated Urethane Foam Tape 4318

*See Terms of Use Below
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.
  
  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 Single-Coated Urethane Foam Tape 4318

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Spec Engine^® Results
- 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
- 4508(3M)
  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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