本规范规定了标称250°F固化环氧预浸渍碳纤维平纹织物产品的要求。预浸料是一种平纹织物，具有12K丝束，标称纤维面积重量为193 gsm，标称树脂含量为42%。

This specification establishes the requirements for a nominal 250 °F cure epoxy preimpregnated carbon fiber plain weave fabric product. The prepreg is a plain weave fabric with 12K tows, a nominal fiber areal weight of 193 gsm, and nominal resin content of 42%.