Calcium Co-Precipitate We manufacture calcium co-precipitate, a general purpose lubricant for PVC. It acts as both internal and external lubricant. Our product exhibits strong synergism with other stabilizers and is widely used in rigid pipes, films, tubing, etc. Typical Properties: - Percentages Calcium: 6.5-7.5 - Percentages Volatiles, 105degree C/2hr: 2.8 max. - Percentages Sieve Residue: 5 max(63 microns) - Bulk Density: 200-400 gm/lit - Percentage Free fatty acid: 1 max - Specific Gravity: 0.85-1.15