PPO SABIC SE1GFN2‑780

PPO SABIC SE1GFN2‑780 is a 20% glass‑fiber‑reinforced halogen‑free flame‑retardant modified polyphenylene ether (PPE+PS) material, especially suitable for electrical‑electronic applications. It features excellent electrical insulation performance, good dimensional stability and heat resistance.

Main Applications

Electrical‑Electronic Industry: Connectors, switch relays, coil bobbins, electrical housing panels, housings for televisions, computers and facsimile machines.

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

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

Chemical Industry: Pipes, valves, filter discs, submersible pumps and other components.

Physical Properties

Property Category	Test Item	Test Condition	Test Standard	Test Data	Unit
Physical Properties	Specific Gravity / Density	—	ASTM D‑792	1.23	g/cm³
	Water Absorption	24 hrs	ASTM D‑570	0.06	%
	Molding Shrinkage	3.2 mm	ASTM D‑955	0.2‑0.5	%
	Melt Flow Rate	280°C / 5.0 kg	ASTM D‑1238	3.5	g/10 min
Mechanical Properties	Tensile Strength at Break	—	ASTM D‑638	107‑120	MPa
	Flexural Modulus	6.4 mm	ASTM D‑790	5500‑5719	MPa
	Flexural Strength	6.4 mm	ASTM D‑790	140‑152	MPa
	Izod Notched Impact Strength	23°C	ASTM D‑256	107	J/m
	Izod Notched Impact Strength	‑40°C	ASTM D‑256	90‑96	J/m
	Rockwell Hardness (L Scale)	—	ASTM D‑785	106	—
Thermal Properties	HDT @1.8 MPa, unannealed	—	ASTM D‑648	130‑132	°C
	HDT @0.45 MPa, unannealed	—	ASTM D‑648	135‑137	°C
	Linear Thermal Expansion Coefficient‑Flow Direction	‑40°C ~ 40°C	ASTM E‑831	3.6×10⁻⁵‑5.0E‑05	1/°C
	UL RTI (Electrical / No‑impact)	—	UL 746B	110	°C
	UL RTI (With impact)	—	UL 746B	105	°C
Electrical Properties	Relative Permittivity (Dielectric Constant)	60 Hz	ASTM D‑150	2.98	—
	Dissipation Factor	60 Hz	ASTM D‑150	0.0016	—
	Volume Resistivity	—	IEC 60093	1.0E+15	Ohm·cm
Flame Retardancy	UL Flammability Rating	1.50 mm	UL 94	V‑1	—
	Limiting Oxygen Index (LOI)	—	ISO 4589	30	%

Injection Molding Parameters

Processing Stage	Parameter Item	Reference Value	Unit
Drying	Drying Temperature	100‑120	°C
	Drying Time	2‑3	h
	Recommended Moisture Content	≤ 0.02	%
Injection Temperature	Melt Temperature	280‑300	°C
	Rear Barrel Temperature	240‑260	°C
	Middle Barrel Temperature	260‑280	°C
	Front Barrel Temperature	280‑300	°C
	Nozzle Temperature	260‑280	°C
Mold & Pressure	Mold Temperature	80‑120	°C
	Back Pressure	0.345‑0.689	MPa
	Screw Speed	20‑100	rpm

Note: All information above is for reference only!