ABS CHIMEI Taiwan PA‑749K

Product Introduction ABS CHIMEI Taiwan PA‑749K is an ABS resin with ultra‑high impact strength. Thanks to its outstanding toughness and good comprehensive properties, it performs well in fields requiring high‑impact resistance.

Main Applications

Safety‑Protection Articles: Safety helmets and other products, which require materials to absorb impact energy effectively for head‑safety protection.

Transport‑Vehicle Components: Protective devices such as motorcycle baffles, which need to withstand wind pressure and possible impacts during operation.

Sports Equipment: Snow‑sports articles (ski boards, ski boots) and other sports‑equipment components requiring high toughness.

Consumer & Industrial Articles: Shoe heels, water‑filter housings, as well as industrial parts and electronic‑electrical shells requiring high‑impact strength.

Physical Properties

Property Category	Test Item	Test Condition / Standard	Typical Value / Range	Unit
Physical Properties	Density	ISO 1183	1.03	g/cm³
	Melt Volume Flow Rate(MVR)	200°C/5.0 kg, ISO 1133	0.90	cm³/10min
	Melt Volume Flow Rate(MVR)	220°C/10.0 kg, ISO 1133	10	cm³/10min

Mechanical Properties

Property Category	Test Item	Test Condition / Standard	Typical Value / Range	Unit
Mechanical Properties	Tensile Strength	ASTM D‑638	430 (≈42.2)	kg/cm² (MPa)
	Flexural Strength	ASTM D‑790	≈600	kg/cm²
	Flexural Modulus	ASTM D‑790	≈20000	kg/cm²
	Izod Notched Impact Strength	1/4",23°C, ASTM D‑256	35	kg·cm/cm
	Izod Notched Impact Strength	1/8",23°C, ASTM D‑256	40	kg·cm/cm
	Rockwell Hardness	R‑Scale, ASTM D‑785	R102	R‑scale
	Elongation at Break	ASTM D‑638	30	%

Thermal Properties

Property Category	Test Item	Test Condition / Standard	Typical Value / Range	Unit
Thermal Properties	Heat‑Distortion Temperature (HDT)	1.8 MPa, Unannealed, ISO 75‑2/Af	81	°C
	Heat‑Distortion Temperature (HDT)	1.8 MPa, Annealed, ISO 75‑2/A	96	°C
	Vicat Softening Temperature	10N,50°C/h, ISO 306/A50	101	°C

Other Properties

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

Injection‑Molding Parameters

Processing Parameter	Suggested Value / Range	Unit
Drying Temperature	70‑85	°C
Drying Time	2‑6 (2‑4 recommended)	h
Recommended Moisture Content	＜0.1	%
Barrel‑Rear Temperature	180‑210	°C
Barrel‑Middle Temperature	190‑220	°C
Barrel‑Front Temperature	190‑220	°C
Nozzle Temperature	185‑235	°C
Mold Temperature	40‑70	°C
Injection Pressure	60‑130	MPa
Holding Pressure	20‑50	MPa
Back Pressure	5‑15	MPa
Screw Speed	30‑100	rpm

Note: All data above is for reference only.