PPS Celanese 1140L6

PPS Celanese 1140L6 is a 40% glass‑fiber‑reinforced polyphenylene sulfide engineering plastic. It features excellent high‑temperature resistance, outstanding flame retardancy, superior mechanical strength and chemical‑corrosion resistance.

Main Applications

Electrical‑Electronic Industry: battery covers, connectors, sensor housings, transformer bobbins, high‑frequency coil bobbins, plugs and sockets. Its favorable electrical properties and high heat resistance improve the safety and reliability of electrical systems.

Automotive Industry: engine control unit housings, lamp bases, water‑pump impellers / rotors and electrical components. High heat resistance, wear resistance and oil resistance satisfy harsh under‑hood service conditions.

Industrial Field: pump components leveraging chemical‑corrosion and wear resistance.

Robot parts: motor coil bobbins and joint components for lightweight and high‑performance realization.

Environmental dust‑removal: PPS filter bags resistant to high temperature up to 200 °C and corrosive gas atmosphere.

Mechanical parts: wear‑resistant components such as precision gears.

Physical Properties

Property Category	Test Item	Test Condition	Test Standard	Data	Unit
Physical Properties	Density / Specific Gravity	—	ISO 1183	1.65	g/cm³
	Water Absorption	23°C, 24hr / saturated	ISO 62	0.02	%
	Melt Flow Rate (MFR)	—	ASTM D1238	19	g/10 min
	Molding Shrinkage‑Flow Direction	—	ISO 2577	0.2‑0.6	%
	Molding Shrinkage‑Flow Direction	—	ASTM D955	0.2‑0.3	%
	Molding Shrinkage‑Transverse Direction	—	ASTM D955	0.5‑0.7	%
Mechanical Properties	Tensile Strength	Break, 23°C	ISO 527‑2	195	MPa
	Tensile Modulus	23°C	ISO 527‑2	14700	MPa
	Elongation at Break	23°C	ISO 527‑2	1.9	%
	Flexural Strength	23°C	ISO 178	285	MPa
	Flexural Modulus	23°C	ISO 178	14500	MPa
	Izod Notched Impact Strength	23°C	ISO 180/1A	10	kJ/m²
	Rockwell Hardness	—	ISO 2039‑2	100	M Scale
Thermal Properties	Heat‑Distortion Temperature (HDT)	1.8 MPa, unannealed	ISO 75‑1	270	°C
	Continuous Service Temperature	—	—	Up to 240	°C
Flame Retardancy	UL Flammability Rating	0.75 mm	UL 94	V‑0	—

Injection Molding Parameters

Processing Stage	Parameter Item	Reference Value	Unit
Drying	Drying Temperature	120‑140	°C
	Drying Time	3‑4	h
	Recommended Moisture Content	≤ 0.02	%
Injection Temperature	Rear Barrel Temperature	290‑310	°C
	Middle Barrel Temperature	300‑320	°C
	Front Barrel Temperature	310‑330	°C
	Nozzle Temperature	310‑330	°C
	Melt Temperature	310‑330	°C
Mold & Pressure	Mold Temperature	130‑150	°C
	Injection Pressure	80‑150	MPa
	Holding Pressure	30‑70	MPa
	Screw Speed	50‑120	rpm
	Back Pressure	1‑10	MPa

Note: All information above is for reference only!