Disclosed are mixed halocarbon blowing agents comprising (1) halocarbons boiling below about 10. degree. C. , (2) halocarbons boiling between 20. degree. C. and 35. degree. C. , and (3) inert organic liquids having a boiling point from about 35. degree. C. to about 125. degree. C. Also disclossed are blends of the above mixed blowing agents with active hydrogen containing compounds, particularly polyols and the rigid closed cell foams prepared from such blends. Up to 60 percent reduction in hard halocarbons is realized with the mixed blowing agents.
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Chung Kuang Lin DIRECTOR
IKOETECH, LLC
500 W 53 St APT 7A, New York, NY 10019 1103 Gloria Ct, Sugar Land, TX 77478