Braskem America PIB 240

Braskem America PIB 240 is a non-toxic polymer obtained through the polymerization of an isobutene-rich stream with specific catalysts. It mainly consists of aliphatic mono-olefins, offering a clear and bright product free from sediments or suspended matter. PIB 240 holds NSF certification, making it suitable for use in lubricants and synthetic oils, including those for food-grade and pharmaceutical-grade applications. Additionally, it finds application in adhesive formulations and serves as a Viscosity Index agent in lubricants.

For more information regarding REACH, please visit Braskem's REACH site

Functions: Intermediate, Rheology Modifier

Chemical Family: Polyisobutylene Polymers (PIB), Polyolefins

Labeling Claims: Impurities-free, Non-Toxic, Sustainable

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

Features & Benefits

Applications & Uses


Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Viscosity (at 100°C)12500cStASTM D 445
Water Content50ppmASTM D 6304
Flash Point245°CASTM D 92
Color50Pt‐CoASTM D 1209
Molecular Weight (Mn)4200DaltonsInternal ‐ GPC
Polydispersity Index (Mw/Mn)3.59-Internal ‐ GPC
Pour Point26°CASTM D 97
Density (at 20/4°C)0.92-ASTM 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. 3 (three) years from production, since the recommended storage conditions are respected.