Elk Corporation of Dallas

Darrell Heine

A structural mat matrix having (a) a substrate which consists essentially of from 80% to 99% by weight fiberglass fibers and from 20% to 1% by weight wood pulp and (b) a binder which consists essentially of from 80% to 95% by weight urea formaldehyde and from 20% to 5% by weight acrylic copolymer. The binder bonds the substrate fiberglass fibers and wood pulp together and has from 5% to 15% by weight of said matrix, preferably 10% by weight of the matrix.

Structural mat matrix

A structural mat matrix comprises (a) a substrate which consists essentially of from 80% to 99% by weight fiberglass fibers and from 20% to 1% by weight wood pulp and (b) a binder which consists essentially of from 80% to 95% by weight urea formaldehyde and from 20% to 5% by weight acrylic copolymer. The binder bonds the substrate fiberglass fibers and wood pulp together and comprises from 5% to 15% by weight of said matrix, preferably 10% by weight of the matrix.

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Ennis, TX, United States of America

Darrell Heine