Petroleum Additives
CAS: 9003-27-4
Polyisobutylene
Lubricant additive base
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 / SDS
TDS
COO