Synthetic 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 Rubber

 

 

Incredible physical durability

Some materials need to withstand regular agitation. Butyl is able to take a beating over time without failing. This tough compound is able to take blow or deal with distress while maintaining seals and continuing any other job functions.

 

Low gas and moisture permeability

Butyl rubber has the distinction of being the only rubber material that is truly impermeable to both air and gas. While others may drastically limit airflow, butyl can completely prevent gas and oxygen from passing through a part. It also stops water and other moisture from seeping through, making it an ideal solution for seals, liners, and other parts that can’t have any leakage whatsoever.

 

Shock absorption

Butyl is one of the best rubber compounds for vibration and sound dampening. The material is known for being both durable and flexible, and those capabilities make it a natural choice for shock mounts, suspension bushings, and other parts that need to limit how much vibration and sound is made in an application.

 

 

Rubber Storage
 
 

Rubber products in storage can be adversely affected by the following: temperature, humidity, ozone, sunlight, oils, solvents, corrosive liquids and fumes, insects and up to 21° C with a maximum of 100° F (38° C).

 
 
 

If stored below 32° F (0° C), some products may become stiff and should be warmed before being placed in service. Rubber products should not be stored near source of heat, such radiators and base heaters. Rubber products should not be stored under conditions of high or low humidity.

 
 
 

To protect against the adverse effects of ozone, rubber products should not be stored near electrical equipment that may generate ozone and should not be stored for any lengthy period in geographical areas of known high ozone concentrations. Exposure to direct and reflected sunlight should also be avoided.

 

 

Application of Rubber

 

Due to its low gas and vapor permeability, butyl rubber is essential in manufacturing tubeless tires and inner tubes, where air retention is critical for safety and performance. This property also extends to sports-ball bladders and glove-box gloves, ensuring durability and airtight sealing in diverse applications.

 
01
 

Waterproofing and Roofing Membranes

Butyl rubber serves as an effective waterproofing liner in tanks and ponds, preventing leakage and contamination. It is commonly applied as a patching material for membrane roofs and used as a sealant for insulated windows, offering excellent resistance to weathering and environmental exposure.

 
02
 

Vibration Dampening Components

Its ability to absorb shock and reduce vibrations makes butyl rubber ideal for use in shock mounts, suspension bushings, and vehicle body mounts. The material also enhances acoustic performance, exemplified by its use in speaker cone edges where it has largely replaced foam for durability and sound quality.

 
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Medical and Safety Applications

Butyl rubber is widely used to manufacture stoppers for labware and medical equipment, benefiting from its low permeability and chemical resistance. Its flexibility allows it to form effective seals in gas masks, providing reliable protection despite being less compliant than silicone rubber.

Butyl Rubber Isobutylene-Isoprene CAS 9010-85-9 100% White Powder

 

Delivery Information
 

Shipping Methods:

We offer a variety of shipping options, including sea freight, air freight, railway transportation, and international express delivery, to meet the diverse needs of our customers.

Estimated Delivery Time:

We will provide you with the estimated delivery time for your order, which will be clearly stated in the formal order to ensure your rights are protected, allowing you to arrange for the receipt of your goods in a timely manner.

Order Tracking:

We provide order tracking services, allowing you to stay informed about the current status and expected arrival time of your order. Detailed inspection information and shipping manifests, including photos and videos, are provided to ensure the security of your transactions.

 

FAQ

Q: What is the Temperature Range for Butyl Rubber?

A: The temperature range for butyl rubber typically spans from –40°C to 120°C (–40°F to 248°F), allowing it to remain flexible and maintain its sealing and insulating properties across a wide range of environmental conditions. At low temperatures, butyl rubber retains elasticity without becoming brittle, which is important for cold-weather applications such as outdoor seals and gaskets. At elevated temperatures approaching its upper limit, the material may begin to soften or lose mechanical strength, making it less suitable for continuous exposure to high heat.

Q: What is Butyl Caulk?

A: Butyl caulk is a solvent-based sealant made from butyl rubber, designed for long-lasting adhesion and weatherproofing in construction, automotive, and industrial applications. It offers excellent flexibility, UV resistance, and adhesion to a variety of surfaces including metal, concrete, glass, wood, and masonry.

Q: What kind of package do you have?

A: We have various of packages to meet needs of our customers,like Iron drums,plastic drums, IBC tanks, Flexitank, ISO TANK and bags etc.

Q: What is your MOQ?

A: Our MOQ is 20'FCL for each product.

As one of the most professional rubber manufacturers and suppliers in China, we're featured by quality products and low price. Please rest assured to buy bulk rubber in stock here from our factory. Contact us for customized service and free sample.