3M™ VHB™ Tape 4646


3M 4646

3M™ VHB™ Tape 4646 is a firm double-sided, pressure-sensitive, closed-cell acrylic foam tape with a PE film liner. 25 mil thick. Bonds high and medium surface energy substrates. Provides handling convenience, cushioning, damping, and impact resistance. Plasticizer resistant. UL listing 746C.

3M™ VHB™ Tape 4646, firm foam, general purpose acrylic adhesive, thickness 0.025 in. (0.64 mm), red PE film liner This family of products has excellent temperature resistance and can be used to bond metal parts prior to paint processing.


  • 4646 has a general purpose adhesive on both sides of firm foam.

Typical Applications: 

  • 4646 is typically used on metal substrates, and has the added feature of high temperature resistance, making it often suitable for bonding prior to high temperature paint processing.

Data Sheets & Summary Sheets