BYK glass fiber sizing products not only improve the mechanical properties of glass fiber reinforced polymers, they also ensure excellent processing properties during glass fiber production. BYK is the only GF sizing producer in the world that is producing MA grafted polymers for GF sizing emulsions. Our R&D capabilities and 100% in-house production ensure fast development times and tailored products for our customers that we supply from our production sites in Europe, USA or China.

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