cyclopentane

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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. 3. Physical features: Appearance colorless and transparent liquid, smell like gas oil. Boiling point(101.3kPa): 49.25oC Relative density(20oC) 0.745 Flash point: -42oC Self-burning temperature: 361oC Explosion limit(vol) 1.4 -- 8.7% Fire hazard class class A for anti-fireclass B for explosion-proof Specification: Item Figures colorless and transparent liquid, no mechanical impurity and suspending matters Density (g/cm3) 0.73-0.75 Cyclopentane (wt%) 95 n-pentane (wt%) 3.5 Isopentane (wt%) Isohexane (wt%) 1.5 n-hexane ( ppm) 10 Benzene (ppm) 1 Water ( ppm) 150

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PUYANG ZHONGWEI FINE CHEMICAL CO.,LTD

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