... cenospheres are one of the few products in the filler industry today that can meet the requirements for low shrinkage.6. ... INSULTATION: Can be used in electronic filling and sealing materials, instrument boards, switches, etc.10. COST EFFECTIVENESS: cenospheres are 50 ... vehicle putty, insulating, antiseptic, fireproof paints.2. Plastics: the products of POM ,PA,PBT,PET,PP and so on. Like panels ...