Offering Anti Corrosion Balls: * SPECIFICATION: Food Grade - All percentages are by weight unless otherwise specified. (10 ppm = 0.001%) Item Value Unit Index - Purity(as P2O5) 68.0 % Min - Inactive Phosphate 7.0 % Max - Water Insoluble 0.05 % Max - Fluoride 50 ppm Max - Heavy Metal(as Pb) 10 ppm Max - Arsenic(As) 3 ppm Max - PH value 2-3 - Ball Size 19.0 0.5 mm - Average weight: 9.0 0.5 g/ball - Average dissolution in clean water 0.15 0.6 g/24 hours * APPEARANCE: Transparent Glassy Ball * AVAILABLE PACKAGING: 25kg plastic drum with PE liner. * APPLICATIONS: - Prevents hard water lime-scale and soft water corrosion - Keeps pipe-work clear and energy costs down - Prevents "brown" water, protects pipe-work and keeps maintenance costs down - Compact, flexible and quick to install on vertical and horizontal pipe-work with top or bottom entry - For single appliances or "whole house" water supply - Safe for drinking water and all domestic appliances - 100% food grade material.