Buyer's Guide: Open Cell Foam Tape

Property	Ether Tape	Ester Tape	Felt Tape
General Description	Low cost, resilient, open cell polyether urethane foam tape. Keeps bugs and dust out while still allowing air and moisture in.	Denser, self-extinguishing open cell polyester urethane foam tape. Keeps bugs and dust out while still allowing air and moisture in.	Thin, non-compressible polyester/acrylic blend felt containing some recycled content.
Temperature Range	-40 to 150 F°	-40 to 250 F° * Rubber adhesive up to 150 F°
Compression Recovery	Excellent	Good	Not Applicable
Adhesive	Rubber	Rubber	Acrylic
Flexibility	Excellent	Good	Excellent
Density	1.12 PCF	2.0 PCF
UV Resistance	Poor	Good
Indoor Use	Excellent	Excellent	Excellent
Outdoor Use	Poor	Moderate
Flammability Rating	N/A not applicable	UL 94 HF-1
Available Colors	Light Grey	Dark Grey	Black / Grey / Green / Camel (Tan)
Typical Applications	Weatherstripping, Dust prevention, Acoustical absorption, Thermal insulation, Air infiltration prevention	Mild UV resistance weatherstripping, Fire retardency, Dust and insect seal, Insulation, Acoustical Absorption, Hat Sizing	Surface protection on glass, wood, ceramic, etc.; Non-skid bottoms and feet; Jewelry box, instrument case, drawer and other container liners; Glass/metal decorative; Weatherstripping; Insulation
Other Common Names	Polyether Tape, Open Cell Tape	Polyester Tape, Hat Resizing Tape, Open Cell Foam Tape	Adhesive Felt, Felt Liner
Additional Notes	Ether tape is shipped in compressed rolls and should be opened or "popped" upon receipt. Tape will reach desired thickness within 24 hours.	Ester tape will take a compression set after repeat compression. Should not be used for applications that require advanced compression recovery.	Felt tape is an extremely versatile tape with countless applications in addition to the recommended uses listed above.

* Pressure sensitive rubber adhesive is good up to 150 F°