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3M™ VHB™ Tape 4991

3M Product Number  4991     
3M(TM) VHB(TM) Tape 4991
3M(TM) VHB(TM) Tape 4991
3M(TM) VHB(TM) Tape family shot
3M™ VHB™ Tape 4991 is a conformable, double-sided, pressure-sensitive, closed-cell acrylic foam tape with a PE film liner.
  • High strength
  • Durable
  • Clean appearance
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Bonds high and medium surface energy substrates. Provides handling convenience, cushioning, damping, and impact resistance. Plasticizer resistant. UL listing 746C.

Specifications

Adhesion to HSEHigh
Adhesion to LSEMedium
Adhesive TypeMulti-Purpose Acrylic Adhesive
ApplicationsExterior Metal Skin Bonding
Application Temperature-EnvironmentN/A
BrandVHB
ColorGray
Flame RetardantN/A
Flexibility of MaterialsOne Substrate Flexible, Both Substrates Flexible, Both Substrates Rigid
Foam ConformabilityConformable
IndustriesGeneral Industrial
Length36 Linear Yard
Length (Metric)33 m
Liner Thickness5 mil
Liner TypePolyethylene (PE) Film
Long Term Temperature ExposureN/A, 161-200
Product FormRoll
Short Term Temperature ExposureN/A, 201-250
Solvent ResistanceHigh
Substrates (Surface Energy)Medium Surface Energy, (38-39 Dynes/cm), High Surface Energy, (400-1100 Dynes/cm), Medium-High Surface Energy, (42-50 Dynes/cm)
Tape Thickness0.090 in (2.3mm) - .120 in (3.0mm)
Temperature Resistance - Initial250 Degree Fahrenheit
Temperature Resistance - Long Term200 Degree Fahrenheit
Width0.5 Inch, 1 Inch
Width (Metric)12.7 mm, 25.4 mm