Butyl Rubber (IIR)
Your Professional Butyl Rubber (IIR) Supplier
TIANJIN GNEE BIOTECH CO., LTD. is a professional chemical raw material manufacturer. Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square meters.
Our main products include PIB (low, medium, and high molecular weight), IIR, and halogenated butyl rubber.
Why Choose us
Experienced Team
We have a professional, well-equipped, and experienced R&D team with more than 10 years of expertise.
A Global Supply Chain
We maintain an established global supply chain, with our products successfully distributed across international markets, including the United States, Canada, Russia, Australia, and multiple regions throughout Europe.
Stable Quality
Committed to the principle of "quality first," we implement rigorous quality control protocols and systematic testing procedures to ensure consistently high product purity and reliable performance across all batches.
Parameter
|
Item |
Specification / Range |
|
Chemical Name |
Butyl Rubber / Isobutylene-Isoprene Rubber (IIR) |
|
CAS Number |
9010-85-9 |
|
Appearance |
White or off-white solid / crumb / powder |
|
Viscosity / Mooney Value (ML 1+4 @ 100°C) |
30 – 80 (Depending on grade) |
|
Iodine Value |
≤ 1.0 g I₂/ 100g |
|
Volatile Matter |
≤ 1.0% |
|
Ash Content |
≤ 0.5% |
|
Solubility |
Soluble in aromatic and chlorinated hydrocarbons; insoluble in water |
|
Packaging |
25 kg / 50 kg bags, jumbo bags, or as required |
Benefits of Butyl Rubber (IIR)
Air and gas tightness
Excellent for sealing roofs, pipes, and tanks.
Weather resistance
Holds strong under sunlight, rain, and extreme temperatures.
Durability
Resists aging and retains flexibility.
Chemical resistance
Stable against acids, alkalis, and industrial chemicals.
Automotive Industry
Butyl Rubber is a key material in automotive sealing applications, especially in tire inner linings and vibration-damping components.
Applications: Inner tubes, tubeless tire liners, window seals, vibration isolators, grommets.
Pharmaceutical & Medical Industry
Butyl Rubber is commonly used in medical stoppers and seals, particularly where air tightness and chemical inertness are essential.
Applications: Pharmaceutical stoppers, IV seals, vial closures, syringe plungers.
Construction & Industrial Sealing
Butyl Rubber is preferred in construction and industrial sectors for its weather resistance and sealing properties.
Applications: Sealants, glazing tapes, roofing membranes, industrial gaskets.
Oil & Gas Industry
Butyl Rubber’s impermeability and chemical resistance make it a reliable choice in the oil and gas sector.
Applications: Tank liners, pipeline gaskets, valve seals, storage bladders.
Precautions for using Butyl Rubber (IIR)
Store in a cool, dry place away from UV light.
Avoid contact with petroleum oils or aggressive chemicals.
Regular inspection for signs of aging and damage.
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.
The time frame of an order delivery is divided into two parts:
Processing time: 7-14 Days
Shipping time: 20~30 Days
Shipping methods:
DDP, DAP, EXW, etc.
Shipping fee:
The shipping fee will be changed according to every pacel's weight.
FAQ
As one of the most professional butyl rubber (iir) manufacturers and suppliers in China, we're featured by quality products and low price. Please rest assured to buy bulk butyl rubber (iir) in stock here from our factory. Contact us for customized service and free sample.
High Quality Butyl Rubber 301 IIR 301 CAS 9010 85 9 Industrial Grade, Butyl Rubber IIR Rubber Isobutylene Isoprene Copolymer Rubber CAS 9010 85 9, Isobutylene Isoprene Rubber CAS 9010 85 9 Direct Supply