PPO SABIC (Former GE) 731‑701

PPO SABIC (Former GE) 731‑701 is a modified polyphenylene ether (PPE) resin. It delivers excellent electrical insulation, heat resistance, mechanical strength and dimensional stability.

Main Applications

Electrical‑Electronic Industry: Components requiring high electrical insulation, such as TV tuner parts, coil cores, microwave insulating parts, shielding sleeves, high‑frequency printed circuit boards, various high‑voltage electronic components, and housings for televisions, computers, facsimile machines and repeaters.

Automotive Industry: Instrument panel parts, window frames, shock absorbers, pump filter screens.

Mechanical Industry: Gears, bearings, pump impellers, blower fan blades.

Chemical Industry: Corrosion‑resistant parts including pipes, valves, filter discs and submersible pumps.

Physical Properties

Property Category	Test Item	Test Condition	Test Standard	Test Data	Unit
Basic Properties	Water Absorption	24 hrs	ASTM D‑570	0.06	%
Physical Properties	Specific Gravity	—	ASTM D‑792	1.06	—
	Molding Shrinkage	3.2 mm	ASTM D‑955	5‑7	10⁻³
Mechanical Properties	Tensile Strength at Yield	3.2 mm	ASTM D‑638	59	MPa
	Tensile Strength at Break	3.2 mm	ASTM D‑638	30	MPa
	Flexural Strength	6.4 mm	ASTM D‑790	90	MPa
	Flexural Modulus	6.4 mm	ASTM D‑790	2418	MPa
	Notched Izod Impact Strength	23°C	ASTM D‑256	213	J/m
	Notched Izod Impact Strength	‑40°C	ASTM D‑256	133	J/m
	Rockwell Hardness	—	ASTM D‑785	119	—
Thermal Properties	HDT @1.8 MPa	—	ASTM D‑648	126	°C
	HDT @0.45 MPa	—	ASTM D‑648	137	°C
	Linear Thermal Expansion Coefficient	—	ASTM E‑831	7.2×10⁻⁵	1/°C
	UL RTI (Electrical)	—	UL 746B	105	°C
	UL RTI (With Impact)	—	UL 746B	90	°C
	UL RTI (No Impact)	—	UL 746B	105	°C
Electrical Properties	Dielectric Constant	60 Hz	ASTM D‑150	2.65	—
	Dissipation Factor	60 Hz	ASTM D‑150	0.0004	—
Flammability	UL Flammability Rating	—	UL 94	HB	—

Processing Parameters

Process Parameter	Recommended Range	Unit
Drying Temperature	100‑110	°C
Drying Time	2‑4	h
Barrel Temperature	Rear:260‑275  Middle:280‑290  Front:280‑290	°C
Nozzle Temperature	290‑300	°C
Melt Processing Temperature	280‑300	°C
Mold Temperature	90‑100	°C
Injection Pressure	126‑140	MPa

Note: All information above is for reference only!