Foam blowing Agent compositions.Compositions comprising the composition premix foams and Polyurethane Foam compositions formed using such blowing Agent compositions.

摘要

These mixtures of blowing agents to obtain foams containing 10 to 90 percent of N and / or i-pentane with 90 to 10 percent dehalocarbonos defined between 142b or 124.Also propose Premixtures of Polyols and Polyurethane Foam compositions contienendichas mixtures.