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Petroleum Additives
CAS: 9003-27-4
Polyisobutylene
Lubricant additive base
Formula: C4H8
Appearance: Colorless to light yellow viscous liquid or elastic rubbery semi-solid
Overview
Polyisobutylene (PIB) is a synthetic polymer known for its unique combination of chemical stability, excellent low-temperature flexibility, and outstanding resistance to heat, oxygen, and ozone. It is a linear polymer composed of repeating isobutylene monomer units, which contributes to its exceptional performance characteristics.
Physical & Chemical Properties
| Molecular Formula | C4H8 |
| Appearance | Colorless to light yellow viscous liquid or elastic rubbery semi-solid |
| Boiling Point | 300 °C |
| Density | 0.92 g/mL at 25 °C (lit.) |
| Quality Standard | Melting Point: 54-56 °C |
Available Documents
📄 COA
⚠️ MSDS
📋 TDS
🔬 COO
