Detail Information
| CAS No.: | 9003-27-4 |
| Chemical formula: | C4H8 |
| EINECS No.: | 618-360-8 |
| Molecular weight: | 56.10632 |
| Another name: | POLY(ISOBUTYLENE) |
| Index | Content |
| Melting point: | 54-56 °C |
| Boiling point: | 300 °C |
| Explosive limit | 0.92 g/mL at 25 °C (lit.) |
| Refractive index | n20/D 1.51 |
| Appearance | Viscous transparent liquid |
| Average number Molecular Weight | 1300 |
| Viscosity @ 100°C, Cst | 660-740 |
| Flash point, ºC, COC | 220-260 |
| Density @ 25°C, g/cm3 | 0.880-0.920 |
| Acid number, mgKOH/g | ≤0.01 |
| Pour point, ºC | -2ºC-8ºC |
| Water content, ppm | ≤50 |
| Color(Pt-Co Scale) | ≤45 |
Products Description
Polyisobutylene (PIB, CAS 9003-27-4) is a colorless, tasteless, non-toxic thick or semi-solid substance, heat resistance, oxygen resistance, ozone resistance, weather resistance, ultraviolet resistance, acid and alkali resistance and other chemicals good performance. Itis a high-performance polymer widely used as a core raw material for sealant applications.
As a professional Polyisobutylene manufacturer and supplier, we provide high quality PIB for sealant production, supporting global customers with stable bulk supply and consistent quality.
Applications of Polyisobutylene for Sealants
- Insulating Glass Sealant (IG Sealant)
Polyisobutylene is widely used in insulating glass sealant as a primary sealing material, providing excellent moisture and gas barrier performance.
- Butyl Sealant Production
PIB is a key raw material for butyl sealants, ensuring flexibility, adhesion, and long-term sealing efficiency.
- Construction Sealants
Used in construction and building sealants for joints, roofing, and waterproof systems.
- Waterproof Sealants
Polyisobutylene for waterproof sealants provides excellent resistance to moisture penetration and environmental exposure.
- Industrial and Automotive Sealants
Applied in automotive sealing, cable sealing, and pipeline sealing.
Polyisobutylene (PIB) Packaging
1~25KG Packed in Plastic bucket
Polyisobutylene (PIB) Storage
Store in a cool, dry, and well-ventilated place.
Why Choose Our Polyisobutylene Supplier?
- High quality Polyisobutylene CAS 9003-27-4
- Stable bulk supply for sealant manufacturers
- Competitive Polyisobutylene bulk price
- Factory-direct sales and OEM packaging
- Strict quality control and consistent performance
- Fast delivery and global export support
We are a reliable Polyisobutylene supplier for sealant industry, serving customers worldwide.
Company Profile
TIANJIN GNEE BIOTECH CO., LTD. is a modern chemical enterprise integrating R&D, production, and supply.
Established in 2016, Gneebio specializes in chemical raw materials with global exports to 60+ countries. Products include PIB (various MW), butyl rubber, and halogenated butyl rubber.
FAQ
Can I get some samples?
Yes, we can supply the free sample, but the shipping cost will be paid by customers.
How to confirm the Product Quality before placing orders?
You can get free samples from us or taking our SGS Report as reference or arrange SGS before loading.
Is Polyisobutylene waterproof?
Yes, Polyisobutylene has strong hydrophobic properties, making it highly effective in waterproof sealant applications.
Can I buy Polyisobutylene in bulk?
Yes, we provide bulk Polyisobutylene supply with competitive pricing and global delivery options.
Do you support customized specifications?
Yes, we can provide different molecular weights and customized packaging based on your requirements.
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