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BUTYL RUBBER SOLUTIONS
We supply Butyl Rubber (IIR) in forms like bales, rolls, sheets, and latex, designed for inner tubes, pharmaceutical stoppers, membranes, and seals. Our global supply chain ensures exceptional gas impermeability and chemical resistance, delivering reliable performance for medical, automotive, construction, and industrial applications.
SPECIFICATIONS
Chemical Composition: Copolymer of isobutylene (95–99%) and isoprene (1–5%), with low isoprene content for superior gas impermeability and chemical stability.
Forms:
Bales: Solid blocks for molding stoppers and seals.
Rolls: Thin sheets for extrusion into hoses and membranes.
Sheets: Flat panels for tire inner liners and roofing.
Latex: Liquid form for coatings and dipped products.
Weights:
Bales: 25–35 kg per bale.
Rolls: 10–50 kg per roll.
Sheets: 10–50 kg per sheet bundle.
Latex: 200 kg per drum.
Grades:
Regular IIR: Standard grade for inner tubes and seals.
Brominated IIR (BIIR): Enhanced adhesion for tire liners.
Chlorinated IIR (CIIR): Improved chemical resistance for hoses.
High-Purity IIR: Biocompatible grade for pharmaceutical stoppers.
Physical Properties:
Tensile Strength: 8–12 MPa (per ISO 37), suitable for durable seals and liners.
Elongation at Break: 400–700%, ensuring flexibility in dynamic applications.
Hardness: 40–70 Shore A, ideal for stoppers and membranes.
Gas Permeability: Low, per ASTM D1434, for air-tight applications like inner tubes.
Sizes:
Bales: 60 x 30 x 15 cm (standard bale size).
Rolls: 50–150 cm width, 0.5–5 mm thickness.
Sheets: 100–200 cm width, 1–10 mm thickness.
Latex Drums: 60 cm diameter, 90 cm height.
Certificates:
RoHS Compliance: Ensures no hazardous substances, safe for electronics and EU markets.
ISO 9001: Guarantees consistent quality management throughout production.
EN 10204 3.1: Confirms compliance with order specs, backed by independent test results.