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Butyl rubber is a synthetic rubber characterized by its excellent impermeability to gases and low permeability to water. It is produced through the polymerization of isobutylene, often with a small amount of isoprene to enhance its properties. This rubber is known for its durability, flexibility, and resistance to aging, UV light, and chemicals, making it suitable for a variety of industrial applications.
| Chemical structure | Polyisobutylene with isoprene |
| Temperature range | -40°C to 100°C |
| Hardness | Shore A 40 to 70 |
| Density | 0.90 to 0.94 g/cm³ |
| Elongation at break | Up to 700% |
When selecting butyl rubber, consider the specific application requirements such as temperature resistance, hardness, and elongation properties. It's important to specify the desired grades and any necessary certifications for your industry. Additionally, clarify the quantity needed to ensure accurate pricing and availability.
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Butyl rubber offers excellent gas impermeability, chemical resistance, and durability.
Yes, butyl rubber is resistant to UV light and aging, making it suitable for outdoor use.
Butyl rubber is not easily recyclable, but some specialized processes exist.
Common industries include automotive, medical, and construction.
Butyl rubber is more resistant to gases and chemicals but less elastic than natural rubber.
The typical hardness range is Shore A 40 to 70.