ABS CHIMEI Taiwan PA‑777B

Product Introduction ABS CHIMEI Taiwan PA‑777B is a super‑heat‑resistant, high‑impact ABS resin, mainly processed by injection molding. It is highly suitable for electronic‑electrical components, automotive parts and home‑appliance products requiring heat resistance and high mechanical strength.

Main Applications

Electronic‑Electrical Housings: Housings for televisions, copiers, monitors and other equipment.

Home‑Appliance Products: Especially for housings of heat‑generating home appliances, such as hair dryers, iron shells, space heaters, electric kettles.

Automotive Parts: Automotive instrument panels, radiator grilles, interior trims, heat‑resistant brackets for engine compartments.

Physical Properties

Property Category	Test Item	Test Condition / Standard	Typical Value / Range	Unit
Physical Properties	Density	ASTM D792	1.03‑1.06	g/cm³
	Melt Flow Rate (MFR)	220°C/10.0 kg, ASTM D1238	2.5‑7.5	g/10min
	Molding Shrinkage	‑	0.3‑0.6	%

Mechanical Properties

Property Category	Test Item	Test Condition / Standard	Typical Value / Range	Unit
Mechanical Properties	Tensile Strength (Yield)	ASTM D638	42.7‑55	MPa
	Elongation at Break	ASTM D638	15	%
	Flexural Strength	ASTM D790	63.4‑75.0	MPa
	Flexural Modulus	ASTM D790	2140‑24000	kg/cm²
	Izod Notched Impact Strength	1/8",23°C, ASTM D256	23	kg·cm/cm
	Izod Notched Impact Strength	1/4",23°C, ASTM D256	20	kg·cm/cm
	Charpy Notched Impact Strength	23°C, ISO 179	22	kJ/m²
	Rockwell Hardness	R‑Scale, ASTM D785	R112‑R116	R‑scale

Thermal Properties

Property Category	Test Item	Test Condition / Standard	Typical Value / Range	Unit
Thermal Properties	Heat‑Distortion Temperature (HDT)	1.8 MPa, Unannealed, ASTM D648	88‑97	°C
	Heat‑Distortion Temperature (HDT)	1.8 MPa, Annealed, ASTM D648	99‑120	°C
	Vicat Softening Temperature	ASTM D1525	115	°C

Flame‑Retardant Properties

Property Category	Test Item	Test Condition / Standard	Typical Value / Range	Unit
Flame‑Retardant Properties	Flammability Rating	UL94,1.5 mm	HB	‑

Injection‑Molding Parameters

Processing Parameter	Suggested Value / Range	Unit
Drying Temperature	80‑95	°C
Drying Time	3‑4	h
Barrel‑Rear Temperature	190‑240	°C
Barrel‑Middle Temperature	210‑250	°C
Barrel‑Front Temperature	220‑250	°C
Nozzle Temperature	230‑250 (max ≤260)	°C
Mold Temperature	30‑70	°C
Injection Pressure	50‑70	MPa
Holding Pressure	40‑60	MPa
Back Pressure	5‑15	MPa
Screw Speed	30‑100	rpm

Note: All data above is for reference only.