Polystyrene (PS) Resin – GPPS GP525 and HIPS HP825 Wholesale price

We are a leading China-based virgin polystyrene (PS) manufacturer and direct factory with 15+ years of R&D and bulk production experience. Our core grades—GPPS GP525 (General Purpose Polystyrene) and HIPS HP825 (High Impact Polystyrene)—are 100% virgin, certified, and engineered for consistent quality, high processability, and cost-effective mass production. As a reliable supplier for global B2B buyers, we deliver stable supply, strict quality control, and competitive factory pricing.   Key Technical Specifications – GP525 (GPPS) & HP825 (HIPS)   Property Unit GP525 (GPPS) HP825 (HIPS) Test Standard Density g/cm³ 1.04–1.05 1.03–1.05 ISO 1183 MFR (200℃/5kg) g/10min 7–9 (8 typical) 4.5–6 (5.5 typical) ASTM D1238 Vicat Softening Point ℃ 98–102 93–95 ISO 306 HDT (0.45MPa) ℃ 92–97 85–88 ASTM D648 Water Absorption % <0.1 <0.1 ISO 62 Appearance — Clear, colorless, high gloss Opaque, natural white Visual Light Transmittance % 88–92 <10 ASTM D1003  …