Products Description
What is Polyisobutylene CAS 9003-27-4?
Polyisobutylene is usually a colorless to light yellow viscous liquid or rubbery semisolid. Low molecular weight is soft and colloid-like, high molecular weight is tough and elastic, density is about 0.92g/mL (25℃), soluble in aliphatic hydrocarbons, aromatic hydrocarbons, etc., insoluble in lower alcohols and ketones, excellent air tightness, good viscoelasticity. It has strong chemical stability, acid, alkali, salt corrosion, good weather resistance and cold resistance, and is not easy to age after long-term use, but it is incompatible with strong oxidants, hot weak oxidants, concentrated organic acids and halogens.

Basic information
| CAS Number | 9003 - 27 - 4 |
| EINECS Number | 618 - 360 - 8 |
| Chemical Formula | C₄H₈ |
| Molecular Weight | 56.10632 |
| Density | 0.92 g/mL at 25 °C (lit.) |
| Melting Point | 54 - 56 °C |
| Boiling Point | 300 °C |
| Refractive Index | n₂₀/D 1.51 |
| Storage Condition | Room Temperature |
| Stability | Combustible. Incompatible with strong oxidants. |
Application
- Lubricant additives: Adding Polyisobutylene can increase the viscosity index of lubricants, enhance their stability at different temperatures, reduce wear, and extend engine life.
- Adhesives: Poly isobutylene gives adhesives good viscosity, water resistance, and aging resistance, and is used for bonding in packaging, construction, automotive interiors, and other fields.
- Sealing materials: Poly (Isobutylene) can be made into sealants, sealing gaskets, etc., with excellent air tightness and chemical corrosion resistance, and is used for sealing pipes, doors and windows, etc.
- Chewing gum base: PIB can provide elasticity and plasticity during chewing, improve taste and chewing performance.
- Medical field: Polyisobutene is used as a pharmaceutical excipient, such as preparing sustained-release preparations, controlling the release rate of drugs, and prolonging drug efficacy.
Click below to get a quote and sample! We will provide you with the highest quality PIB Polyisobutylene.


Packaging & Delivery
Packaging:
- 200kg Iron Drum , 16MT/20'FCL .
- Flexi-bag, 22MT/20'FCL
- 1000 kg IBC Drum, 20MT/20'FCL
- also be packed according to customer's needs.
Delivery Time: 3-7 days after payment confirmation.
Shipping Methods: By sea, air, or courier (FedEx, DHL, UPS, TNT).

Company Profile

Gneebio is a professional chemical raw material manufacturer and global distributor. Our company is located in Henan Province, China. We have multiple partner chemical factories in Henan, covering an area of 3,600 square meters, providing customers with a one-stop chemical procurement service, including mixing, repackaging, storage, and distribution.
Our hot-selling products include Didecylmethylamine, Dihydrogenated tallow methyl amine, Lauryl dimethyl amine oxide 30%, Didecyl dimethyl ammonium chloride, etc. We hope to establish long-term and mutually beneficial cooperation with more friends in the future and provide the best products and services for our customers.
Our Advantages
- We have over 10 years producing experience, adopt advanced production and inspection equipment,optimize production process, to guarantee and improve product quality.
- Provide samples free of charge.
- Factory price, no middleman increases costs.
- Packaging can be customized according to customer requirements.
- We provide commercial invoice, packing list, shipping order, COA, health certificate andcertificate oforigin, etc. If your market has any special requirements, please let us know.
- We can accept various payment methods, such as L/C, t/T, D/A, D/P, O/A, PayPal,Western Union,etc.

FAQ
1.Are you manufacturers?
A:Yes, we are professional manufacturers in Henan, china since 2016. Welcome to visit our factory for long-termcooperations.
2. How do you ensure your product and service quality?
A:All of our processes strictly adhere to is0 9001 procedures and we are equipped with state of the art quality controlfacilities.
3. Can I print my logo?
A: Yes, OEM/ODM service is available. Customized logo/package/name/color. For details, Please kindly contact the sales persons.
4. How to place order online?
A: Proforma invoice will be sent after confirmation from the client along with our bank details.
5. Can you send free samples?
A:Yes, we can send free samples for most products, Please feel free to send inquiry for specific requests.
6. Do you offer technical supports for the products?
A:Yes, we have a professional technical support team and can provide unique technical solutions to our clients.
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