Document 2qwNb7Xqox0JaJ4bZYXVp28ER
ASBESTOS SG 210
June 20, 1972 RM Spec. No. 18 NEW ____
PLAINTIFF'S EXHIBIT
DESCRIPTION:
- Short fibered grit free asbestos
USE:
- Ingredient in joint compounds
SOURCE:
Union Carbide Corp.
SPECIFICATIONS GRIT
- Should be free from gritty particles. Test for grit is made by decantation with water, using a 25 gm sample and an
800 or a 1000 cc beaker. Not less than 750 cc of water shall be used ior the first washing, so that any grit present wilx settle freely and not be held in suspension. 0.1% fine grit permitted.
FINENESS:
U.S. Sieve Series
Through 8 mesh 16 mesh 20 mesh 30 mesh 50 mesh
100 mesh
- 100% - 99.5 to 100 - 99 to 100 - 97 to 100 - 50 to 90 ' - 0 to 50
For fineness test, use a 50 gm sample and shake for 30 mins, on the Ro-Tap.
WATER TO TC:
- 380-420
COLOR:
White
SAMPLING:
Representative samples shall be taken from each shipment for test. If the asbestos is ununiform in screen test and water carrying capacity, it-shall be blended by any suitable method.
REMARKS:
Tests on each carload of asbestos floats shall be compared with tests of original shipment from same supplier, which was found satisfactory. If any of the tests indicate doubt as to its suitability for use in joint finisher, it shall be tested in a laboratory batch. If this test shows the material to be unsatisfactory, the shipment shall be rejected.
HANDLING PRECAUTIONS:- A dust mask should be worn when handling this raw material Spilled material should be promptly removed.
EDO:elz
SGP 0015902