Product Description
Chlorobutyl Rubber (CIIR) is a halogenated butyl rubber offering gas barrier properties, chemical resistance, and thermal stability. Industrial-grade CIIR finds extensive applications in automotive, pharmaceutical, and industrial sealing products.
|
Property |
Typical Value |
|
Appearance |
Black solid / sheet |
|
Mooney Viscosity (ML1+4, 100°C) |
50–80 |
|
Chlorine Content |
1.2–1.8% |
|
Volatile Matter (%) |
≤ 0.5% |
|
Density (g/cm³) |
0.92–0.95 |
|
Glass Transition Temp (Tg) |
-60°C |
|
Ash Content (%) |
≤ 0.5% |
|
Color |
Black |
Chlorobutyl Rubber (CIIR) Uses
Tire Industry
Air-tight Layer: CIIR is widely used in tire air-tight layers due to its extremely low air and moisture permeability.
Industrial Products
Shock Absorption Material: CIIR offers high shock absorption performance, suitable for automotive, aircraft, and marine shock absorbers, engine mounts, etc.
Medical Applications
Pharmaceutical Stoppers: CIIR's high chemical inertness makes it suitable for antibiotic bottle stoppers, syringe stoppers, and similar applications.

Safety of Chlorobutyl Rubber (CIIR)
This product is a solid polymer with stable properties. It poses no adverse effects on human health and does not harm flora or fauna in the ecological environment.
Refer to the product SDS for specific details.
Shelf Life of Chlorobutyl Rubber (CIIR)
Store and transport away from light at 35°C. Shelf life is 2 years.

Company Profile
Gneebio is a professional chemical raw material manufacturer based in China. Established in 2016, we have over 10 years of export experience, with our products exported to more than 60 countries worldwide.
Main products: PIB (low, medium, high MW), IIR, halogenated butyl rubber.
FAQ
Q: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Paypal or Escrow.
Q: Do you provide product packaging design services?
A: Yes, we provide professional product packaging design services, including bottles, bags, boxes, strips, droppers and jars and other packaging forms.
Q: How long will I get replies?
A: Due to time difference and holidays, we will try our best to reply you in 24 working hours. If there is anything we can do to help, please feel free to contact us at any time.
Q: Can you provide quality certificates for your products?
A: Yes, we can provide quality certificates, including but not limited to certificates of analysis (COA), purity reports, and safety data sheets (SDS). These certificates can give you a detailed understanding of the quality and properties of our products.
Q: How should your chemical products be stored?
A: Different chemical products have different storage requirements. Generally, they should be stored in a cool, dry, well - ventilated place, away from sunlight and moisture. Some products may also need to be stored under specific temperature and humidity conditions. Please refer to the product's SDS for detailed storage instructions.
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