Product Description
Isobutylene-Isoprene Rubber (IIR), also known as Butyl Rubber, is a high-performance synthetic elastomer composed primarily of isobutylene with a small amount of isoprene.
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Item |
Specification |
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Product Name |
Isobutylene-Isoprene Rubber (IIR) |
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CAS Number |
9010-85-9 |
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Appearance |
White or light-colored solid |
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Purity |
≥99% |
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Molecular Formula |
(C₄H₈)x(C₅H₈)y |
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Density (25°C) |
0.91–0.93 g/cm³ |
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Mooney Viscosity (ML1+8, 125°C) |
45–55 |
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Solubility |
Insoluble in water, soluble in organic solvents |
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Thermal Stability |
Excellent under normal processing conditions |
Butyl rubber Uses
Tire Manufacturing Sector
Isobutylene Isoprene Rubber serves as a critical material for manufacturing tire inner tubes. Its exceptional airtight properties effectively maintain tire pressure, minimize gas leakage, and extend tire lifespan.
Pharmaceutical Packaging Sector
Due to its stable chemical properties, excellent corrosion resistance, and low gas permeability, butyl rubber is widely utilized in pharmaceutical packaging.
Building Waterproofing Applications
Butyl rubber is processed into products such as waterproof membranes and waterproof tapes. These items feature strong self-adhesion, bonding tightly to substrates to form continuous, seamless waterproof layers that effectively block moisture penetration.
Sealing Products Applications
Butyl rubber also excels in various sealing products, including automotive engine gaskets and door/window sealing strips.
Other Industrial Applications
Isobutylene Isoprene Rubber is also utilized in manufacturing industrial products like rubber hoses, adhesive tapes, and vibration-damping rubber components.
Butyl rubber Packing
Packaging: 25 kg or 35 kg bales, wrapped in polyethylene film and packed in cartons or pallets.
Storage: Store in a cool, dry, and ventilated area away from direct sunlight and heat sources.
Company Profile
Gneebio is a trusted chemical raw material supplier from China, established in 2016, exporting high-quality PIB, IIR, and halogenated butyl rubber to over 60 countries.
FAQ
Q: Can I get free samples?
A: We can provide free samples; you only need to pay for shipping.
Q: How do you guarantee product quality?
A: All our products meet national and international testing standards. We can provide relevant certificates if needed.
Q: Can you use customer-specified labels and packaging?
A: Of course! You can provide your specified labels and packaging, and we will be happy to contact you and assist you. Please feel free to contact us if you have any other needs!
Q: What about shipping time and methods?
A: We usually ship within 3-5 business days after receiving payment.
We can arrange sea freight, air freight, or express delivery. Door-to-door delivery service is also available.
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