Knowledge

Polyisobutene 1200 is a specific low-molecular-weight PIB grade, while Polyisobutylene is a broader term covering PIB products with different molecula

Polyisobutylene (PIB) does not have a single fixed molar mass because its molecular weight varies with polymer chain length and grade. This guide expl

Polyisobutylene (PIB) is commonly used as an elastomeric polymer, while polyethylene (PE) is generally classified as a thermoplastic. The difference c

Butyl rubber and EPDM are widely used synthetic rubbers with different performance advantages. This guide compares butyl rubber vs EPDM in gas permeab

Butyl rubber offers excellent gas impermeability, weather resistance, and damping performance, but it also has limitations in oil resistance, rebound,

Butyl rubber absorbs CO2 readily yet remains an excellent gas barrier because its dense isobutylene structure limits diffusion. This article explains

Butyl rubber material (IIR) is a synthetic elastomer known for exceptionally low gas permeability, excellent ozone/weather resistance, and strong chem

This guide examines the water vapor and gas barrier performance of butyl rubber, explaining why its molecular structure makes it one of the most effec

Butyl rubber (IIR) is a synthetic elastomer produced by the cationic copolymerization of isobutylene and a small amount of isoprene. It is best known

Is butyl rubber the same as latex? No — despite the shared “rubber” naming, butyl rubber (IIR) is a fully synthetic elastomer made from isobutylene an

Polyisobutylene (PIB) is exceptional performance properties—such as hydrophobicity, flexibility, low gas permeability, and chemical stability—stem dir

Polyisobutylene (PIB) is widely used in paint and coating formulations as a performance-enhancing additive. It improves water resistance, weatherabili