Document ExG0vb9L8Kn1kma9ge8n0QZBj

A brief outline of the aethod employed la asbestos wire manu facture 1 essential to qualify sass of the Illustrations end clarify the r mechanics of asbestos fiber removal and collection. ** "Deltabestoa" the General Electric Company's trade cane for asbestos Insulated wire, comprlaea an Insulating fiber of the crysotlle variety H^M^SlgO^ free from Iron end othor foreign eleasnte. The fiber is physically recognized os pure white #1 quality insulating fiber, length j* - 1" or #2 grade length 3/8" - 3/8", Tbs aethod of grading employed by the asbestos Bill comprises a screen test which Is described briefly as follows: A 16 os. sample of asbestos fiber la successively screened using first, two mesh screen, then four oesh and ten mesh* The bottom is e solid pen which retains "aborts" or fine splinters-of unopened fiber* A typical screen analysis of #1 fiber and #8 fiber Is given below:- Method of grading #1 giber 16 os. sample First screen 2 mash Second * 4* 15.376 os. .394 m 96% retained Third 10 .240 9 9 Bottom Solid pea .030 9 <3,18% shorts #8 Fiber First Second Third 19.065 oz. ,640 9 .193 9 H% retained <1 Bottom .088 9 i% sbshts Asbestos Textlies for Insulations The above grading represents e final control test of quality of fiber used in the manufacture of asbestos textiles, such ns roving, yam EXCASB 0025