Document QJ4mYeX3yyMqYm173kv6E2z05

UNION CARBIDE, CHEMICALS AND PLASTICS LABORATORY MANUAL SPECIFICATION &TZ&L // 1-44C.QP4400H-lc 19096 00 October 15, 1971 "CELLOSIZE" HYDROXYETHYL CELLULOSE QP-4400-H Specification Limits Viscosity of a 2 per cent aqueous solution, cps, Brookfield Model LVF No. 4 spindle at 60 rpm Water insolubles 4801 to 5400 at 25C (dry basis) 0.8 per cent by weight, maximum Volatiles as packaged 5.0 per cent by. weight, maximum pH of a 2 per cent aqueous solution 6.0 to 7.0 at 25C Hydration time of a 2 per cent aqueous solution Ash 40 to 60 minutes 3.0 per cent by weight, maximum, as sodium carbonate Particle size 95 per cent, minimum, shall pass through a 20-mesh sieve. 85 per cent, minimum, shall pass through a 40-mesh sieve. Method 1B-44C-0 1B-44C-0 1B-44C-0 1B-44C-0 1B-44C-0 1B-44C-0 1B-44C-0 RESEARCH AND DEVELOPMENT DEPARTMENT TECHNICAL CENTER South Charleston, W.est Virginia vl BON - 00774