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Krasol® LBH 2040

Krasol® LBH 2040 by Cray Valley Total Group is a hydroxyl terminated linear polybutadiene polymer. It has four hydroxyl groups per chain. Krasol® LBH 2040 acts as a polymer modifier. The viscosity of the polymer at room temperature is relatively high, but it drops quickly with increasing temperature. In the preparation of polyurethane elastomers, increasing hydroxyl functionality accelerates the crosslinking reaction, increases elastomer hardness, decreases elongation at break, improves compression-set characteristics and increases softening temperature. The differences can be attributed to an increase in the crosslink density of polyurethane networks. Suggested applications include elastomers, castable urethane, electronics and potting compounds.
Product Type
Other Surface Modifiers
Chemical Composition
Hydroxyl terminated polybutadiene polymer
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