a These specifications cover the materials for asphalt mastic suitable for use in waterproofing, consisting of mastic cake, asphalt cement and mineral aggregate.. b The grade of asphal
STANDARD SPECIFICATIONS FOR ACID-RESISTING ASPHALT MASTIC' A.S.T.M Designation: D 223 - 30 These specifications are issued under the fixed designation D 223; the final number indicates the year of original adoption as standard or, in the case of revision, the year of last revision ISSUED AS TENTATIVE, 1925; ADOPTED, 1930 Scope I (a) These specifications cover the materials for asphalt mastic Properties suitable for use in waterproofing, consisting of mastic cake, asphalt cement and mineral aggregate (b) The grade of asphalt mastic covered by these specifications is suitable for waterproofing, tank linings, floors, etc., where dilute mineral acids at temperatures below 100° F (38° C.) are encountered 2 This asphalt is a mixture of mastic cake, asphalt cement and mineral aggregate, which at a temperature of approximately 205° C (400° F ) is sufficiently plastic to be poured into place and compressed with a wooden trowel or equivalent tool into a compact mass As used for strictly waterproofing purposes the mastic cake, asphalt cement and mineral aggregate are combined under heat and manual stirring in substantially the following proportions by weight: Mastic Calce 48 per cent Asphalt Cement 5 " Mineral Aggregate 47 Mastic Cake 3 (a) The mastic cake shall conform to the following require- ments: Weight per cake not more than 80 lb Soluble in pure benzol 14 to 18 per cent by weight Insoluble in pure benzol 82 to 86 per cent by weight (b) The matter soluble in pure benzol shall be asphalt cement, which, after recovery from the mastic cake, shall conform to the requirements of the Tentative Specifications for Asphalt Cement, 25 1 Under the standardization procedure of the Society, these specifications are under the jurisdiction of the A.S.T.M Committee D-8 on Bituminous Waterproofing and Roofing Materials (922) A.S.T.M DESIGNATION: D 223 30 923 to 30 Penetration, for Use in Sheet Asphalt and Asphaltic-Concrete Pavements (A.S.T.M Designation: D 163 - 23 T) of the American Society for Testing Materials 1 (c) The matter insoluble in pure benzol shall be granular mineral matter which after recovery from the mastic cake shall conform to the following requirements as to grading Passing No 200 sieve not less than 25 per cent Passing No 10 sieve, retained on No 50 sieve not more than 25 Retained on No 10 sieve not more than 1 It shall contain not more than 5 per cent by weight of material Asphalt soluble in hydrochloric acid Cement 4 The asphalt cement shall conform to the requirements of the Tentative Specifications for Asphalt Cement, 25 to 30 Penetration, for Use in Sheet Asphalt and Asphaltic-Concrete Pavements (A.S.T.M Designation: D 163 - 23 T) of the American Society for Testing Materials 1 5 The mineral aggregate shall be gravel or crushed stone and Mineral sand and free from carbonates It shall conform to the following Aggregate requirements as to grading: Passing No 200 sieve none Passing No 50 sieve, retained on No 200 sieve not more than 25 per cent Passing No 10 sieve, retained on No 50 sieve not less than 25 Passing No 4 sieve, retained on No 10 sieve not less than 50 Retained on No 4 sieve not more than I0 It shall contain not more than 5 per cent by weight of material soluble in hydrochloric acid 6 The properties enumerated in these specifications shall be Method of determined in accordance with the Standard Methods of Testing Testing Bituminous Mastics, Grouts and Like Mixtures (A.S.T.M Designa- tion: D 147) of the American Society for Testing Materials 2 1 Proceedings, Am Soc Testing Mats., Vol 23, Part I, p 721 (1923); also 1930 Book of A.S.T.M Tentative Standards, p 420 •Seep 961