For over 40 years, woman-owned, Guardian packaging has been supplying an assortment of packing supplies including tape, corrugated boxes, and foam cushions. We are an industry leader in packaging design and customer service. Our products include polystyrene foam, polyethylene foam, and polyurethane foam for electronics, case inserts, insulation, upholstery, and soundproofing applications.
Closed cell foam is a type of foam where the “cells” are tightly pressed together and enclosed, contrasting with the open, traditional polyurethane foam variation or interconnected cells of the open cell...
Polyethylene foam is a valuable closed-cell thermoplastic foam material. A closed-cell foam consists of tiny dense cells enclosed by its walls. The cells sit close to each other, but they are not interconnected. Hence, closed-cell foams like...
Polyurethane foam is a porous, cellular-structured, synthetic material made from the reaction of polyols and diisocyanates. Its structure is a composite of a solid phase and a gas phase. The solid phase is made from...
