Sumitomo Bakelite Sumikon® PM-9840 Phenolic Resol

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Sumitomo Bakelite Sumikon® PM-9840 Phenolic Resol
Categories:	Polymer; Thermoset; Phenolic; Phenolic, Resole, Glass Fiber Filled
Material Notes:	SUMIKON® PM-9840 (Type J Black) is a glass fiber, inorganic filler and organic fiber filled resol resin (non-anmonia phenolic) molding compound with good mechanical properties and heat resistance. This grade is officially registered UL with V-0 (t=0.17). Information provided by Sumitomo Bakelite High Performance Plastics (sbhpp)
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Physical Properties	Original Value	Comments

Specific Gravity	1.50 g/cc	JIS K 6911
Water Absorption	0.26 %	JIS K 6911
Linear Mold Shrinkage	0.0075 in/in	JIS K 6911

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	109	ASTM D-785
Tensile Strength	74.0 MPa	JIS K 6911
Flexural Strength	106 MPa	JIS K 6911
Flexural Modulus	7.30 GPa	JIS K 6911
Compressive Strength	209 MPa	JIS K 6911
Charpy Impact, Notched	4.20 kJ/m²	JIS K 6911

Electrical Properties	Original Value	Comments
Insulation Resistance	2.00e+10 ohm	After boiling; JIS K 6911
	2.00e+11 ohm	As mold; JIS K 6911
Dielectric Strength	9.00 kV/mm	JIS K 6911
Arc Resistance	149 sec	JIS K 6911
Comparative Tracking Index	150 V	IEC 60112

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	202 °C	JIS K 6911
Flammability, UL94	V-0

Descriptive Properties
Color	Black

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PSUMIT472 / 194277

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