Tubetak Pro is suitable for air shipping. Tubetak Pro provides a permanent bond and one tube mounts up to 32 square feet of foam or diffusors, depending on thickness. Other brands of liquid adhesive have been known to oxidize ("eat") foam, but Auralex guarantees that Tubetak Pro will not oxidize Auralex foam products. 

Tubetak Pro Liquid Adhesive may be purchased in any quantity needed. Tubetak Liquid Adhesive for foam. One tube covers up to 32 sq. ft. depending on foam thickness