1,green flame retardant 2,used in rubber, plastic, military, wood, painting, etc 3,good thermal stability Whiteness ... -2 23 (2ZnO .2B2O3.3H2O). ZB-223 is an good flame retardant synergist and smoke suppressant in polymers to partially replace ... borate should be pack, transported, stored as normal chemical goods.Standard package is 25kg/bag,500kg/bag,and can design package ...