FIELD: vibration-absorbing materials. SUBSTANCE: mastic has, wt.-%: aqueous polyvinyl acetate dispersion plasticized with dibutylphthalate or glycerol triacetate 39.4-56.0; nepheline antipyrene 11.8-19.0; crystalline graphite 26-42. Mastic has additionally, wt.-%: chalk 2.2-8.0 and alkylbenzylpyridinium chloride 0.5-4.6 for stability increase. EFFECT: improved quality of mastic. 2 tbl
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Authors
Dates
1995-05-20—Published
1991-11-26—Filed