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Cyclopentane can be used as a new foaming agent for rigid polyurethane foam and can be substituted for CFCS which distroies the atmospheric ozone layer. Now it is widely used in producing non-CFCs refrigerator, freezer and cold storage and tubing insulating materials. With the coming of the deadline to use ODS by Montreal protocol; CFCs and HCFCs will prohibited soon, and cyclopentane will be play a key role in the polyurethane foam applications. Molecular formula C5H10 Relative density (20oC) oC 0.745 Boiling point (0.101MPa) oC 49.25 Flash point oC -37 Self-burning temperature oC 361 Explosion limit (vol) % 1.4-8.7
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