Welcome to POLYMER's Glass Fiber category, your premier one-stop glass fiber supplier. High-quality reinforcements are the backbone of any strong composite part. Our advanced glass fiber reinforcement materials are strictly engineered for rapid wet-out, excellent dispersion, and seamless compatibility with demanding matrix systems, acting as the perfect fiberglass for vinyl resin, epoxy, and unsaturated polyester formulations.
Why Choose Our Fiberglass Reinforcements?
Superior Wet-out & Matrix Bonding
Our optimized sizing chemistry ensures that every strand bonds perfectly with the resin matrix. Whether you are using a standard fiberglass polyester resin or a highly corrosive-resistant system, our fibers guarantee maximum mechanical transfer.
Excellent Processing Flow
From zero-fuzz high strength fiberglass roving to highly flowable chopped glass fiber, our materials prevent mold blockages and ensure uniform distribution in complex FRP composite fiberglass geometries.
Our specialized composite glass reinforcement portfolio includes:
SMC & BMC Molding: Premium assembled rovings for SMC providing excellent chopping performance. We are also a trusted SMC roving supplier offering precisely cut fiberglass chopped strands and BMC chopped strands for high-volume automotive and electrical molding.
Laminating & Closed Mold: Advanced PP core mat designed for light-RTM and vacuum infusion. This innovative fiberglass core material significantly reduces component weight while increasing structural rigidity and resin flow speed.
Need specific fiber lengths for your BMC mixer or sizing advice for your SMC lines? Explore our fiberglass series below, or contact our reinforcement engineering team directly for Technical Data Sheets (TDS) and bulk testing samples.

PP Core Mat for Fibreglass Polyester Resin
Engineered for high-performance composite manufacturing, this premium PP core mat for fiberglass polyester resin is the ultimate flow medium for accelerating production cycles. It delivers exceptional chemical compatibility across standard polyester, highly corrosive vinyl ester, and advanced epoxy resin systems.
Acting as a highly efficient resin flow mat for vacuum infusion and RTM (Resin Transfer Molding) processes, it drastically speeds up resin transfer while significantly reducing volumetric weight. It is trusted by global fabricators to construct lightweight, heavy-duty sandwich structures across marine boat building, wind energy, automotive, and sports equipment sectors.
Rapid Resin InfusionCost-Effective LightweightingUniversal Resin CompatibilityOptimized for RTM & InfusionSuperior Anti-Delamination
High Strength Assembled Rovings for SMC Process
Engineered for high-speed automated production lines, POLYMER's premium high strength assembled rovings for SMC process are the ultimate fiberglass reinforcement for Sheet Molding Compound applications. They are meticulously formulated to deliver seamless compatibility with both UP (Unsaturated Polyester) and VE (Vinyl Ester) resin systems.
Treated with a highly specialized silane sizing, this advanced fast wet-out SMC fiberglass roving guarantees exceptionally rapid resin impregnation. It ensures extremely reliable low fuzz assembled roving performance on the chopper and unmatched antistatic properties, empowering fabricators to consistently produce heavy-duty structural components and flawlessly smooth Class A surface SMC exterior parts.
Excellent ChoppabilityFast & Complete Wet-OutLow Fuzz & Anti-StaticUniform Strand DispersionUP & VE Resin Compatible
Fiberglass Chopped Strands for BMC Molding
Engineered for the rigorous demands of complex composite manufacturing, POLYMER's premium fiberglass chopped strands for BMC molding are the ultimate reinforcement solution. They are meticulously formulated to deliver seamless compatibility across UP (Unsaturated Polyester), EP (Epoxy), and PF (Phenolic) resin systems.
Treated with advanced sizing chemistry, this high strand integrity chopped fiberglass easily withstands aggressive mechanical kneading without fraying. Combined with exceptionally low resin demand, it empowers compounders to achieve high glass loading, producing intricate, high-impact composite structures for the automotive and electrical industries.
High Strand IntegrityUltra-Low Resin DemandUP/EP/PF CompatibleSuperior Impact StrengthExcellent Paste Flowability

