Document ypEjjLEwV5j5qdvVroQeYMEM4

June 29, 1971 Supersedes Formula 993 Dated 2/27/70 ACHE. TEXAS PLANT FORMULA SPEED SET JOIHT COMPOUND (YELLOW) TEX-993 (60 minute and 2 hour working cement) DESCRIPTION OF PRODUCT: - For use In reinforcing and conceiling joints and nallheads. / FORMULA: Raw Material Yellow Oxide Function figment R. M. Spec. 138 *Sodium Citrate Natrosol 250HXR Retarder Thicknor 134 170 Gelvatol RS-6278C Adhesive 162 Gelva GP702 Asbestos SG210 Asbestos 7RF09 Adhesive Fiber Filler Fiber Filler 167 - 9 Mica p80U Anti-Cracking Agent It Defoamer Mill Anti-Foaming Agent 196 Vanicide Funglctdo 126 TEX-38 Plaster - *Adjust quantity according to set time requirements. Percent 0.20 0.10 0.20 2.25 ` 0.50 0.50 2.25 4.00 0.05 0.05 89.90 100.00 Lbs/Batch 1.500 0.750 1.500 16.875 3.750 3.750 16.875 30.000 0.375 0.375 674.250 750.000 WORKING CONSISTENCY: Spoolfications - . Refer to Plant Testing Procedure Ho. 32. Maximum Minimum Average SETTING TIME: Sped fications 62 58 60 - Refer to Plant Testing Procedure Ho. 6 (slow set) Maximum Minimum Average 110 mins. 3e:* 4- 3lf hours 70 mins. 2% hours 90 mins. 3 hours WORKING PROPERTIES: Specifications - Refer to Plant Testing Procedure Ho.33. Must be pla3tlc and buttery working; free of grit or coarse particles. BONDING PROPERTIES: Specifications Refer to Plant Testing Procedure Ho. 35. After compound has dried, tape shall delaminate when peeled back. CRACK RESISTANCE Specific a tions Refer to Plant Testing Procedure Ho. 37. There shall be no large fissure cracks in the wedge and very few, if any, cracks in the thinner half of the wedge. -/ Denotes change in this reissue. Lehnert 10.3.01-H8 ED0:dek SGP 0018388