SAN 350 KUMHO

Description

Kumho SAN 350 is a styrene-acrylonitrile (SAN) grade that offers high strength and stiffness, good transparency, chemical resistance, and wear resistance. It is suitable for processing by injection molding. SAN 350 is recommended for flow-meter cases and electric & electronic parts.

Specification

General
Material Status	Commercial: Active
Availability	Asia Pacific Europe North America
Features	High Strength
Uses	Electrical Parts Electrical/Electronic Applications
RoHS Compliance	RoHS Compliant
UL File Number	E65424

Physical	Nominal Value	Unit	Test Method
Density / Specific Gravity	1.07		ASTM D792
Melt Mass-Flow Rate (MFR)			ASTM D1238
200°C/5.0 kg	3.3	g/10 min
230°C/3.8 kg	11	g/10 min
Molding Shrinkage - Flow	2.0E-3 to 6.0E-3	in/in	ASTM D955
Water Absorption (Equilibrium)	0.30	%	ASTM D570
Hardness	Nominal Value	Unit	Test Method
Rockwell Hardness (M-Scale)	86		ASTM D785

Mechanical	Nominal Value	Unit	Test Method
Tensile Strength (Yield)	11100	psi	ASTM D638
Tensile Elongation (Yield)	4.5	%	ASTM D638
Flexural Modulus	511000	psi	ASTM D790
Flexural Strength (Yield)	14900	psi	ASTM D790
Impact	Nominal Value	Unit	Test Method
Notched Izod Impact (0.126 in)	0.28	ft·lb/in	ASTM D256

Thermal	Nominal Value	Unit	Test Method
Deflection Temperature Under Load (264 psi, Unannealed)	199	°F	ASTM D648
Vicat Softening Temperature	228	°F	ASTM D1525³

Flammability	Nominal Value		Test Method
Flame Rating (0.06 in)	HB		UL 94

Injection	Nominal Value	Unit
Drying Temperature	167 to 185	°F
Drying Time	2.0 to 4.0	hr
Hopper Temperature	113	°F
Rear Temperature	338 to 374	°F
Middle Temperature	356 to 392	°F
Front Temperature	374 to 410	°F
Nozzle Temperature	374 to 428	°F
Mold Temperature	104 to 158	°F

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