CAS 9003-27-4 Polyisobutylene-Professional supplier
If you want to buy Polyisobutylene (CAS:9003-27-4),please feel free to contact us: info@sancaiindustry.com
We can supply Polyisobutylene (CAS:9003-27-4) with stable quality and bulk stock.
Specification of Polyisobutylene
| Item | Specifications |
| Appearance | Transparent, without impurities |
| MnMolecular Weight | |
| Viscosity(100°C), mm2/s | 4900+200 |
| Color (HAZEN, Pt-Co) | ≤45 |
| Flash Point (Open Cup) (°C) | ≥240 |
| WaterWt-ppm(Karl Fischer) | ≤50 |
| Density(20°C, kg/m3) | 900+20 |
Basic information of Polyisobutylene
CAS: 9003-27-4
Standard:Technical grade
Model:SC-001
Molecular Weight: 500-100000
Capacity:100MT/month
Loading port: Shanghai
Synonyms: Isobutene polymer; Isobutylene homopolymer; 2-Methylpropene polymer,PIB
MF:C4H8
Usage of Polyisobutylene
Polyisobutylene (also called polyisobutene) is a versatile polymer widely used across industries, with applications tied closely to its molecular weight. Here are its core uses:
1. Lubricant & Fuel Additives
◦ Used as a viscosity index improver in engine oils and hydraulic fluids, maintaining oil consistency across wide temperature ranges.
◦ Serves as the base for dispersants/detergents in lubricants, preventing sludge buildup in engines.
◦ Added to gasoline/diesel as a deposit control agent, reducing injector fouling and improving fuel efficiency.
2. Adhesives, Sealants & Construction
◦ A key component in butyl rubber sealants for insulating glass units, providing long-term air/moisture barriers.
◦ Used in pressure-sensitive adhesives, roof membranes, and pipe coatings for its excellent tackiness, weather resistance, and low gas permeability.
3. Automotive & Electrical Applications
◦ Applied in automotive sound-damping materials, surface protection films, and gaskets.
◦ Used as cable insulation, wire coatings, and electrical potting compounds for its high dielectric strength and moisture resistance.
4. Food, Pharmaceutical & Cosmetics
◦ Low-molecular-weight grades are used as food-grade chewing gum bases (Polysynlane) for chewability.
◦ Found in pharmaceutical applications such as drug delivery systems, transdermal patches, and rubber stoppers for vials.
◦ Acts as a thickener, binder, and film-former in cosmetics and personal care products.
5. Other Industrial Uses
◦ A modifier for plastics and rubbers to enhance impact resistance and flexibility.
◦ Used in explosives, sporting goods, and audio equipment for its damping properties.
Package Of Polyisobutylene
180kg/drum or according to the customers’ demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.
