Braskem America PIB 121

Braskem America PIB 121 is a polyisobutylene (PIB) polymer, presented in a clear and impurities-free liquid form. It serves as a rheology modifier in industrial oils and fluids, particularly in lubricating oils. This NSF-approved product is non-toxic, making it suitable for various chemical and industrial manufacturing applications. It is available in drums and tanks for packaging and availability.

End Uses: Lubricating Oils

Functions: Intermediate, Rheology Modifier

Chemical Family: Polyisobutylene Polymers (PIB), Polyolefins

Synonyms: 1,1-Dimethylethylene homopolymer, 2-Methyl-1-propene homopolymer, 2-Methylpropene polymer, Isobutene homopolymer, Isobutene polymer, Isobutylene homopolymer, Isobutylene polymer, Isobutylene resin, Poly(2-methylpropene)

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Enhanced TDS

Identification & Functionality

Chemical Name
Base Chemicals Functions
Fluids & Lubricants Functions

Features & Benefits

Applications & Uses

Fluids & Lubricants Type
Base Chemicals End Uses


Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Viscosity (at 100°C)3000cStASTM D 445
Viscosity (at 40°C)122000cStASTM D 445
Viscosity Index250ASTM D 2270
Water Content40ppmASTM D 6304
Flash Point240°CASTM D 92
Color50Pt‐CoASTM D 1209
Molecular Weight (Mn)2200DaltonsInternal ‐ GPC
Polydispersity Index (Mw/Mn)3Internal ‐ GPC
Pour Point17°CASTM D 97
Density (at 20/4°C)0.91ASTM D 4052
Refractive Index1.5nDASTM D 1218
Chlorine Content170ppmASTM D 5808

Regulatory & Compliance

Certifications & Compliance
Quality Standards

Packaging & Availability

Packaging Type
Packaging Information

PIB is supplied in 175 kg metallic drums or in isotanks.

Storage & Handling

Shelf Life
3 years
Recommended Storage & Handling Conditions
  • Polybutene polymer must be stored at temperatures under 50°C, and protected from direct sunlight, moisture and in order to avoid direct contact with the soil.
  • Shelf Life : 3 (Three) years from production, since the recommended storage conditions are respected.