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3M 4646 dark grey double-sided foam tape roll

3M

3M 4646 Double-Sided Foam Tape 2 in 5 yd 1/32 in Polyethylene

SKU CH-JZ8Q-90QMQ

Double-sided polyethylene foam tape, series 4646, 2 in wide, 5 yd long, 1/32 in thick, bonds ABS, acrylic, glass, metal, nylon and polycarbonate from -31 °F to 194 °F

  • Product colorDark Gray
  • Wide temperature range from -31 °F to 194 °F
  • Bonds ABS, acrylic, glass, metal, nylon and polycarbonate
  • 3M Series 4646 double-sided foam construction
  • Continuous 5-yard roll at 2 inches wide
  • Suitable for indoor and outdoor assembly tasks

Double-Sided Foam Tape Series 4646

This 3M 4646 double-sided foam tape uses a polyethylene foam carrier with a dark gray finish. It is supplied as a continuous roll measuring 2 inches wide by 5 yards long and 1/32 inch thick. The tape is designed for bonding, mounting and sealing tasks across assembly, automotive, aviation, construction, electronics and general maintenance applications.

Suited for high-strength indoor and outdoor bonding

The acrylic adhesive bonds to ABS, acrylic, glass, metal, nylon and polycarbonate surfaces and performs from -31 °F to 194 °F. It is not intended for buyers who need a thinner transfer tape, a removable low-tack option, a clear carrier or a different width or length than the 2 in by 5 yd roll provided.

1/32 inch polyethylene foam thickness

The 1/32 inch foam thickness provides gap-filling and conformability for irregular surfaces while delivering the shear strength associated with the 4646 series. Verify that this thickness matches the joint design before ordering.

How it compares

Measured against everything we stock in Office, Masking & Packing Tape, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 55% of the 3,148 comparable items (median $29.99).

Specifications

Product
Brand name3M
Product colorDark Gray

Questions about this item

At what temperature does the 4646 tape reach its maximum performance limit?

The 4646 tape has a maximum performance temperature of 194 degrees F, beyond which adhesion may degrade under sustained load.

How does the polyethylene foam core behave during continuous indoor or outdoor exposure?

The closed-cell polyethylene foam resists moisture and temperature cycling from -31 to 194 degrees F, maintaining consistent bond strength without significant outgassing or compression set.

Which surface materials must be present for the 4646 adhesive to bond effectively?

The adhesive is compatible with ABS, acrylic, glass, metal, nylon, and polycarbonate substrates; ensure the surface is clean and dry before application.

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