Release Type Slow State Powder Purity 99.5 Application Use in Agrochemical and Fine Chemical Brand Name CMC Model Number 13-21 PH 8.0-9.5 Product Specification Instant water soluble boron fertilizer 13% PRODUCT NAME: Boron 13% ASSAY(Sodium Borate) No less than 99% APPEARANCE:: Pure White Powder PH (1% w/v Solution): 8.0-9.5 WATER SOLUBLE: 100% CHLORIDES (Cl): No more than 0.05% Instant water soluble boron fertilizer 18% PRODUCT NAME: Boron 18% ASSAY: No less than 99% APPEARANCE: Pure White Crystalline Powder PH (1% w/v Solution): 8.0-9.5 CHLORIDES (Cl) : No more than 0.05% WATER SOLUBLE: 100% Instant water soluble boron fertilizer 21% PRODUCT NAME: Boron 21% ASSAY : No less than 99% APPEARANCE: Pure White Crystalline Powder PH (1% w/v Solution): 8.0-9.5 WATER SOLUBLE: 100% CHLORIDES ( Cl ) : No more than 0.05% PACKING: Packed in complex bag or kraft bag with plastic inner , 25KG per bag Packing:Packed in complex bag with plastic inner, 25KG net per bag