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4492G - Double Coated Polyethylene Foam Tape


3M

E-Mail this datasheet
ADHESIVE TAPE FEATURES
  • Std Roll Length: 72.00 yards
  • 430 high strength acrylic adhesive
  • Closed cell crosslinked polyethylene foam backing
  • Thickness nominal: 31.0 mil.
  • Thickness tolerance: 25.0 mil. - 45.0 mil.
  • Approximate density: 6 lb. cubic ft.
  • Static shear: 1/2 in. squared overlap will hold 1000 gms at 72°F for 10,000 min.
  • Dynamic shear: 55 lb./in. squared
ADHESIVE TAPE ADVANTAGES
  • No apparent degradation when exposed to splash testing of typical hydrocarbon solvents
  • No apparent degradation when exposed for seven days in UV chamber
  • No cracking when flexed around a 1/4 in. madrel at -20°F
ADHESIVE TAPE APPLICATIONS
  • Joining, mounting, gasketing and sealing
  • Specially formulated for more demanding indoor and moderate outdoor general purpose mounting and joining
  • For polyethylene foam tapes: signs, nameplates and plaques/ point of purchase and other displays/ plastic hooks, racks and dispensers/ wire and cable clips/ appliance, display case and electronic equipment trim
ADHESIVE TAPE MARKETS SERVED
  • Foam
  • Industrial
ADHESIVE TAPE COLORS
  • Gray
GENERAL INFORMATION
A 31.0mil. double coated polyethylene foam tape with 430 acrylic adhesive is ideal for joining, mounting, gasketing and sealing applications involving irregular surfaces. 4492G tape combines a conformable closed cell foam with a high strength acrylic adhesive that provides good initial tack and offers high ultimate adhesion to a wide variety of surfaces. 430 is a firm acrylic pressure-sensitive adhesive which features good initial adhesion and good resistance to both elevated temperatures and environmental conditions. Solvent splash testing cycle = 20 seconds submersion and 20 seconds air dry through 3 cycles. Bond strength is dependent upon the amount of adhesive-to-surface contact developed. Firm application pressure helps develop better adhesive contact and improved bond strength. 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 water. Be sure to follow the manufacturer's precautions and directions for use when using cleaning solvents. Initial tape application to surfaces below 50°F is not recommended because the adhesive becomes too firm to adhere readily. However, once properly applied, low temperature holding is generally satisfactory. 4492G is listed by the American Architectural Manufacturer's Association (A.A.M.A.). It exceeds all A.A.M.A #810.1-92 voluntary specifications for "Expanded Cellular Glazing Tapes" tests. See 3M data sheet for Dispenser Suggestions.

PRODUCT CONSTRUCTION
  Type
Mil Thickness
Backing PE - Polyethylene
Adhesive (unwind) Acrylic
Adhesive (liner) Acrylic
Liner Type (outer) Paper (3.0 mil. tan)
Liner Type (inner) Paper (3.0 mil. tan)
Foam Cell Type Closed
Thickness (total)  
31.00

PRIMARY PHYSICAL PROPERTIES
  Unwind Side   Liner Side
Adhesion-to-Steel - 90° Peel 128.00 oz/in   128.00 oz/in
Adhesive Activation Pressure  
Adhesive Thermal Conductive No  
Tensile Strength 60.00 lbs/in  

Testing Info: Peel Adhesion: ASTM D3330, 72 hour dwell at R.T., 90° angle peel, 12 in./min. jaw speed; Static Shear: ASTM D3654; Dynamic Shear: ASTM D1002, 1 in. squared overlap jaw speed 0.5 in./min.; Tensile: ASTM D897

SECONDARY PHYSICAL PROPERTIES
UV Resistant Yes
Solvent Resistant Yes

THERMAL / ELECTRICAL PROPERTIES
Minimum Application Temperature 50°F
Minimum Service Temperature 0°F
Maximum Long-Term Temperature 158°F
Maximum Short-Term Temperature 180°F

Adhesive Tape and Foam Converting Services
 
  • The physical properties listed are typical values and are not to be considered as specifications. Our suggestions for use are based on tests we believe to be reliable. However, the purchaser must carry out their own tests to determine the suitability of the product for their internal use. Information is given in good faith, but without warranty.
  • It is essential, as with all pressure-sensitive tapes, that the surface to which the tape is applied be clean, dry and free of grease and oil.
  • Shelf life from date of manufacture is based on the product being stored at 70°F(21°C) / 50% relative humidity out of direct sunlight.
  • Specification compliance is dynamic and should only be used as a general guide. Always confirm that the tape you are interested in currently complies with all specification requirements. Please verify that the product number that you select is available in the proper size and color to meet your specification.
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