High Molecular Weight Polyisobutylene CAS 9003-27-4 For Lubricant Additive
Synonyms: PIB, Isobutylene polymer
Appearance: Colorless
Storage: Should be stored in a cool, dry environment, away from sources of fire and heat
Packaging: 200L/drum
Sample: We provide free samples
Tianjin Gnee Biotech Co., Ltd. is one of the leading manufacturers and suppliers of high molecular weight polyisobutylene cas 9003-27-4 for lubricant additive in China. Welcome to buy cheap chemical products for sale here from our factory. For price consultation, contact us.
Products Description
Polyisobutylene PIB CAS 9003-27-4 Suppliers & Manufacturers In China
Polyisobutylene (PIB) is a versatile elastomer that belongs to the class of polyolefins. It is a high molecular weight polymer composed of repeating units of isobutylene. PIB is typically a viscous liquid or a soft solid with rubber-like properties. It is chemically inert, non-toxic, and resistant to heat, moisture, and chemicals.
High Molecular Weight Polyisobutylene (PIB) is a highly viscous polymer used as a tackifier, lubricant, and adhesive component.
- Product Name: High Molecular Weight Polyisobutylene (PIB)
- CAS Number: 9003-27-4
- Grade: Industrial / Lubricant Additive Grade
- Appearance: Transparent to light yellow viscous liquid / solid, depending on molecular weight
- Packaging: 25kg, 50kg drums or jumbo bags (customizable)

Polyisobutylene Applications
- Lubricant thickener and tackifier
- Base polymer for pressure-sensitive and hot-melt adhesives
- Modifier for plastic and elastomer formulations
- Sealant for automotive and electronics industries
- Waterproof coating and insulation material

Basic Information
|
Items |
Specifications |
|
Melting point |
54-56°C |
|
Boiling point |
300°C |
|
Density |
0.92 g/mL at 25°C (lit.) |
|
Refractive index |
n20/D 1.51 |
|
Flash point |
110°C-240°C |
|
Stability |
Flammable, incompatible with strong oxidizers. |
Packaging & Storage
Packed in 25 kg or 180 kg steel drums. Store in a dry, cool, well‑ventilated area, away from direct sunlight and open flames. Shelf life of 24 months when stored properly.

Company Profile
Tianjin gneechemicaltech Co., Ltd. is a professional chemical raw material manufacturer based in China. Established in 2021, we have over 10 years of export experience, with our products exported to more than 60 countries worldwide.
Our best-selling products include Dichloromethane (DCM), Acetic Acid, Ethyl Acetate, Methanol, Butanol, Acetonitrile (ACE), Dimethyl Sulfoxide (DMSO), Isopropanol (IPA), p-Xylene, Cyclohexanone, and more.
Polyisobutylene Suppliers & Manufacturers



FAQ
Are you a manufacturer?
Yes, we are a professional manufacturer.
Can I get a sample?
Surely, a few quantity samples can be provided for free, but the courier cost should be
paid by you first, and we will return to you in our first cooperation.
What's your supply capacity?
Our supply capacity is 1000 metric tons/month.
What's your delivery time?
Usually, we will arrange the shipment in 2-3 weeks.
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