Minimum Standards of Strength and Quality for Anti-freeze

(1) Sampling and preparation of anti-freeze shall be in accordance with ASTM Method: D1176. (2) Maximum Freezing point of anti-freeze solution having Methanol Base shall be -46°F, 50% by volume in distilled water mixture. (ASTM Method: D1177). (3) Maximum freezing point of anti-freeze solution having an Ethylene Glycol Base shall be -34°F with 50% by volume in distilled water mixture. (ASTM Method: D1177). (4) The minimum equilibrium boiling point for anti-freeze having a Methanol Base shall be 148.5°F. (ASTM Method: D1120). (5) The minimum equilibrium boiling point for anti-freeze having an Ethylene Glycol Base shall be 300°F. (ASTM Method: D1120). (6) Specific gravity, 60/60F for anti-freeze having Methanol Base shall be minimum 0.790, maximum 0.815. (ASTM Method: D1122). (7) Specific gravity, 60/60F for anti-freeze having Ethylene Glycol Base shall be minimum 1.114, maximum 1.150. (ASTM Method: D1122). (8) The maximum ash content by weight for anti-freeze having Methanol Base shall be 3.5%. (ASTM Method: D1119). (9) The maximum ash content by weight for anti-freeze having an Ethylene Glycol Base shall be 5.0%. (ASTM Method: D1119). (10) The maximum water content by weight for anti-freeze Methanol and Ethylene GlycolBase shall be 5.0%. (ASTM Method: D1123). (11) Corrosion, 33a% by volume in water for copper, brass, steel, and cast iron 10 mg. and for solder and aluminum 20 mg. maximum loss per specimen. (ASTM Method: D1384). (12) Foaming, 33a% by volume in water; height of foam, 150 ml. maximum; and break time, five seconds maximum. (ASTM Method: D1881).