Butyl Rubber IIR

1. Product Overview

Butyl Rubber IIR (Isobutylene-Isoprene Rubber) is a high-performance synthetic elastomer valued for its exceptional impermeability to gases and moisture, combined with strong weathering and chemical resistance. It is widely used in tire inner liners, tubes, seals, gaskets, pharmaceutical closures, hoses, and other applications requiring reliable barrier performance. Its low gas permeability, durability, and stable performance make it a strategically important material for demanding industrial and automotive applications.

2. Key Specifications & Technical Characteristics

• Material: Isobutylene-Isoprene synthetic rubber (IIR)
• Composition: Predominantly polyisobutylene with a controlled isoprene component for vulcanization capability
• Grade: Industrial-grade Butyl Rubber; grades available according to application and buyer specification
• Purity: Commercial high-purity grade, subject to applicable manufacturer specifications
• Form: Solid rubber bales
• Appearance: Typically light-colored to dark-colored, depending on grade and processing
• Key Properties: Very low gas permeability, excellent moisture resistance, good weather and ozone resistance, and strong aging stability
• Chemical Resistance: Good resistance to water, dilute acids, alkalis, and many chemicals
• Packaging: Standard export-grade bales, typically palletized and wrapped for secure international transportation
• Shelf Life: Typically up to 2 years when stored in original packaging under cool, dry conditions away from direct sunlight and heat

3. Core Industrial Applications

• Automotive & Tire Manufacturing: Used extensively for tire inner liners and inner tubes because of its superior air retention and low permeability.
• Sealing & Gasketing: Suitable for seals, gaskets, diaphragms, and vibration-control components requiring resistance to moisture and atmospheric aging.
• Pharmaceutical & Medical Packaging: Used in rubber closures and stoppers where controlled gas and moisture permeability is essential.
• Industrial Hoses & Linings: Provides durable barrier performance in selected hoses, tank linings, and protective applications.
• Construction & Industrial Products: Utilized in waterproofing, sealants, and specialized elastomeric products.
• Performance Advantage: Compared with many conventional elastomers, IIR provides significantly lower gas permeability and strong resistance to ozone, moisture, and environmental aging, supporting longer service life and reduced maintenance requirements.

4. Competitive Advantages

• Consistent Quality: Controlled material properties support reliable processing and repeatable finished-product performance.
• Supply Reliability: Structured bulk sourcing supports continuity for manufacturers with recurring raw-material requirements.
• Logistics Capability: Export-ready packaging and bulk loading options facilitate efficient international transportation.
• Price Competitiveness: Bulk procurement enables commercially competitive pricing for industrial-scale buyers.
• Durability: Excellent resistance to gas diffusion, moisture, ozone, and aging improves product longevity in demanding environments.
• Sustainability: Durable elastomer components can contribute to longer replacement cycles and improved material efficiency in suitable applications.
• Technical Documentation: Product specifications, technical data, certificates of analysis, and supporting documentation can be provided subject to grade and supply arrangement.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 MT Bulk
• Loading Capacity: Approximately 20–25 MT per 20-foot container, subject to product grade, packaging configuration, container payload restrictions, and destination requirements
• Supply: Bulk export supply available for qualified industrial and commercial buyers
• Documentation: Commercial invoice, packing list, certificate of analysis, certificate of origin, and other applicable export documentation available according to transaction requirements