Harbor Foam

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Grandville, MI

Our family has been manufacturing and supplying EPS to many innovative industries and companies for four generations. Harbor Foam is a leading, world-class manufacturer in the expanded polystyrene (EPS) industry. We are an EPS manufacturer producing the highest quality EPS with state-of-the-art equipment. Our excellence in quality starts with our material. At Harbor Foam we only use virgin material while manufacturing our products. Our virgin EPS contains no reused foam material making it much stronger and more durable than its recycled counterpart. Our products include flat stock, block, and contoured parts. We possess the capabilities of fabricating 2D and several 3D parts while currently specializing in the RV, construction, and packaging industries. Primarily, Harbor Foam services markets located in the Midwest region within states such as Michigan, Indiana, Ohio, and Illinois.

Foam Fabricating Power Pages

Closed Cell Foam

Closed Cell Foam

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

Polyethylene Foam

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

Polyurethane Foam

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...

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