Industry Glossary - O

Gel coated or painted finish, which is not smooth and is patterned similar to an orange’s skin.

Matter originating in plant or animal life or composed of chemicals of hydrocarbon origin, either natural or synthetic.

Position with relation to flow of polymer in mold.

Polyester resin based on Orthophthalic acid, also known as a general purpose resin (GP).

A non-woven fibrous mat (of glass, synthetic fiber, and so forth) used as the top layer in a cloth or mat lay-up, to provide a smoother finish, minimize the appearance of the fibrous pattern, or permit machining or grinding to a precise dimension. Also called surfacing mat.

A specially formulated binder applied to texturized yarn that helps retain the bulk of the yarn after texturizing.