Direct roving is a foundational material in the composites industry — essential for applications like pultrusion, filament winding, weaving, and SMC. But have you ever wondered how it’s actually made? In this article, we’ll walk you through the step-by-step process of how direct rovings are produced, from raw materials to the final packaged roll. Whether…
What is COC Resin? COC resin, short for Cyclic Olefin Copolymer, is a class of high-performance amorphous polymers known for their exceptional transparency, moisture barrier, chemical resistance, and dimensional stability. It is produced by polymerizing cyclic and linear olefins using metallocene catalysts, resulting in a unique material that combines the clarity of glass with the…
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