IOTA LSR 3221 – Revolutionizing Leather with High-Performance Liquid Silicone Rubber
IOTA LSR 3221 is a specialized coating-type liquid silicone rubber designed for leather production. Combining excellent release properties, high strength, and low viscosity, it delivers superior performance for a smooth, efficient manufacturing process. Its excellent fluidity ensures easy application, making it ideal for creating durable, flexible, and visually appealing leather products.
With key technical parameters including a viscosity of 2800–4200 mPa.s, tensile strength ≥5.0 MPa, elongation ≥350%, and adjustable hardness from 10 to 50 Shore A, IOTA LSR 3221 meets diverse industrial requirements. It is widely used in luggage, footwear, apparel, baby mats, and various leather goods, offering both reliability and versatility.
The product features a simple 1:1 mixing ratio and cures rapidly at 120–140°C within 3–5 minutes. Once mixed, it remains workable for up to 48 hours at 25°C, allowing ample processing time. Customization in color, hardness, and temperature resistance is available to match specific customer needs.
Packaged in 20 kg or 200 kg containers, IOTA LSR 3221 has a shelf life of 12 months when stored unopened below 32°C. Whether you're enhancing product durability or improving surface finish with optional topcoat treatments, this silicone rubber is your go-to solution for high-quality leather manufacturing.