Chem-Pruf Door Co.
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Chem-Pruf Door Co. image | Wall louvers
Chem-Pruf Door Co. image | Chem-Pruf Door Co.

Corrosion-Resistant FRP Louvers The perfect solution to a corrosive environment, Chem-Pruf FRP wall louvers provide years of low-maintenance, corrosion-resistant service. All parts - jambs, headers, sills, slats and vanes - are manufactured from gel-coated, fiberglass-reinforced polymers (FRP). Resins are tailored for the exact conditions where the louvers will be installed. Louers are of a flush constructions, with a gelcoated outer surface of approximately 25 mills (equal to 50-60 coats of paint). The gelcoat is molded into the laminate and utilizes the same resin chemistry used in the glass resin substrate. Gelcoat serves as the primary barrier against corrosive attack and can be formulated in a wide variety of colors. In the fabrication process, following the gelcoating, an envelope consisting of 2 ounces of continuous-strand fiberglass is infused with resin to form a completely solid, corrosion -resistant part. Bosses for securing and positioning the slats or vanes are integrally molded at one time as the jambs are formed. All reinforcing resins contain halogenated additive or coreactants plus anitomy trioxide. Resins yield a flame spread of 25 or less per ASTM E-84 and are self-extinguishing per ASTM D-635. The use of ATH (hydrated aluminum powder) to lower smoke propagation and suppress ignitability is frequently used.
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