- Chemical Name:Calcium Borate
- Functions:Flame Retardant
- Chemical Family:Calcium & Calcium Compounds
Portaflame® CA 13 grade is produced from carefully selected colemanite, which is a naturally occurring hydrated calcium borate. Portaflame® CA 13 grade is a micronized, halogen-free flame retardant (HFFR) filler that is used as an effective synergist with other flame retardant fillers such as ATH, MDH, or huntite/hydromagnesite. The Portaflame® CA 13 grade can also be used as an alternative for synthetic zinc borate.