**Fully Transparent Addition-Cure Silicone Rubber HY-Q640 — 40 Shore A Platinum-Cured High-Resilience Liquid Silicone for Sports Protection, Industrial Cushioning & Wear-Resistant Molds** ## Model

Hong Ye HY-Q640 is a fully transparent 40 Shore A addition-curing liquid silicone engineered for sports protection gear, industrial cushioning components, and high-wear mold applications. Featuring crystal-clear transparency, ≤0.1% shrinkage, ≥24 kN/m tear strength, and excellent compression recovery, it delivers durable, dimensionally stable molds for knee pads, elbow supports, protective buffers, and industrial seals. Certified to ISO 9001, FDA, REACH, RoHS, UL, and CE, with 1:1 mix ratio, 45–60 min pot life, and MOQ starting from 2 kg.