| http://www.w3.org/ns/prov#value | - Suitable blowing agents include for example, low boiling halohydrocarbons; those that generate carbon dioxide; blowing agents that are solid at room temperature and that when heated to temperatures higher than their decomposition temperature, generate gases such as nitrogen, carbon dioxide, ammonia gas or the like, such as azodicarbonamide, metal salts of azodicarbonamide, 4,4??? oxybis(benzenesul
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