we also manufacture much calcium formate in the purity of 90%.There are the specifications below. calcium formate Molecular formula: Ca(COOH)2 Molecular weight: 130.2 Application: It can be used to produce formate and be the additive of feeding stuff.It also the be used in architecture and leather industy. Purity: 90% calcium: 27.72% min HP:6.0~8.0 Moisture: 2.0% max heavy metal: 0.005%max Appearance: white powder Packing: paper-plastic bags,plastic lining,25kg per bag