Assertion: blasting cap | /r/MadeOf | mobile ignition
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Source sentences:
text: A blasting cap having a case of organic plastic material comprising polyvinyl chloride modified with a copolymer of butadiene and acrylonitrile, a non-polymeric plasticizer, and a mineral filler, in which the ratio of polyvinyl chloride to copolymer ofbutadiene and acrylonitrile is between about 3:1 and about 4:1, said blasting cap containing mobile ignition and initiator charges.