Document rGzOEyqDoDY353d0O515zV8e

Engineering Material Specification Material Name PHENOLIC, TRANSFER MOLDING COMPOUND FAST MOLDING - MINERAL PILLED Specification Number fiKiftKCCP ESF-M3D113-A 1. SCOPE The material defined by this specification is a two stage, transfer molding grade, mineral .filled, phenolic molding compound with low moisture absorption, and good dimensional .stability at elevated temperatures. 2. APPUC/nON This specification was released originally for material used in the molded commutator for starting motors. 3. REQUIREMENTS 3.1 PROPERTIES OF MOLDED MATERIAL 3.1.1 Conditioning a 48 h at 50C, test at 23C + 2C 3.1.2 Color The color shall be as specified on engineering drawing. 3.1.3 Specific Gravity (ASTM D 792) 1.67 - 1.71 3.1.4 Water Absorption, max (ASTM D 570) 0.2% 3.1.5 Impact Strength, min (ASTM D 256, notched) 0.58 ft lb/in (31 J/m) 3.1.6 Flexural Strength, min (ASTM D 790) 12 000 psi (83 MPa) 3.1.7 Tensile Strength, min (ASTM D 638) 6000 psi (41.4 MPa) 3.1.8 Compressive Strength, min (ASTM D 695) 50^00 psi (138 MPa) 3.1.9 Deflection Temperature, min (ASTM D 648, 264 psi (1820 kPa)) 260C Date --..... . 1 1 1 Para. No. 1978 03 09 1970 06 04 ! VlV,? SS48*a Metricated and Retvoed Released F6Z-289 Revisions S67/L8- /5 R001 1315 . Page JL ol JL nr /STNT