500g Stainless Steel ASTM Class 3 Calibration Weight Each weight comes in its own hard case to help protect it for years of use. The ASTM weights are individual stainless steel weights that can be used to test and calibrate Adam balances.
Pump Head and Fittings: PVDF (Kynar)Seats: Teflon (1/8â)Tubing: 1/4â x 3/8âBalls: CeramicRecommend Common Chemicals: Chlorine, Bromine, Citric Acid (10%), Ferric Chloride, Hydrogen Peroxide, Sodium Hydroxide, Sulfuric Acid, Plus Many More.