Gypsum Liner


The outer sheets of kitchen and bath gypsum liner (drywall) are coated to increase water repellency and slip. Drywall with a high coefficient of friction slides easily off a stack, saving time and effort. Wax emulsions are also used in the gypsum itself. See Other Markets/Building Products for more information.

Properties That Affect Gypsum Liner

Catalyst P1: Catalyst P1 is one part of a two part silicone release coating. This coating system provides release for virgin-rubber, asphalt and gum based products from corrugated containers eliminating the need for costly plastic bags. This system is not gluable.

Catalyst P1A: Catalyst P1A is one part of a two part silicone release coating. This coating system provides release for virgin-rubber, asphalt and gum based products from corrugated containers eliminating the need for costly plastic bags. This system is not gluable.

Coating X300™ AF: Coating X300™AF provides high levels of water resistance and good moisture resistance for kraft paper. Coating X300™ AF protects food products from excessive moisture, freezer burn, and sticking. When diluted for mill application, it is an economical sizing agent. Gluability with hot melt adhesives is excellent, but cold set gluing is not recommended.

Coating X300™ Plus: Coating X300™ Plus provides high levels of water resistance and good moisture resistance for kraft paper with improved water resistance over Coating X300™. Coating X300™ Plus protects food products from excessive moisture, freezer burn, and sticking. Gluability with hot melt adhesives is excellent, but cold set gluing is not recommended.

HydraBan® 1000AF: HydraBan® 1000AF is an economical water based treatment for kraft paper. It imparts a high degree of water repellency, is printable and gluable.

HydraBan® 708: HydraBan® 708 is an economical, water based treatment for kraft paper. It imparts a high degree of water repellency, is printable and gluable. It can be applied at the wet end or dry end of the corrugator, or with an off-line treating operation.

Release Coat® 30: Release Coat® 30 is a lower solids, economical, one component coating that provides superior release for a variety of "sticky" products such as hot asphalt. Because it is a one component release system, it eliminates mixing and leftover material disposal. This product is neither hot melt nor cold set gluable.

Release Coat® 40: Release Coat® 40 is an easy-to-use one component silicone emulsion coating that provides superior release for a variety of "sticky" products such as hot asphalt. Because it is a one component release system, it eliminates mixing and leftover material disposal. This product is neither hot melt nor cold set gluable.

Release Coat® P1: Release Coat® P1 is one part of a two part silicone release coating. A catalyzed release coat system offers superior release and in most cases FDA compliance. This system is not gluable.

Release Coat® P1A: Release Coat® P1A is one part of a two part silicone release coating. A catalyzed release coat system offers superior release and in most cases FDA compliance. This system is not gluable.

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