بولي كلوريد الفينيل: Fire protection application and preparation method of polyvinyl chloride PVC, إنه, البولي فينيل كلورايد, is a common polymer with excellent flame retardant properties, and its flame retardant value can be as high as 40 or more. Among various materials, PVC is favored for its fireproof properties. في هذه الورقة, the ...