VALOX(沙伯基礎)HX215HP/PBT熱塑性聚酯/物性表參數(shù)

日期：2020-04-18 04:09:16 編輯：科思德塑膠來源：科思德塑膠瀏覽：417

沙伯基礎創(chuàng)新塑料的VALOX HX215HP PBT是無加強PBT與模具釋放,符合FDA食品接觸規(guī)定的顏色有限,2008年3月起，該等級將不再支持生物相容性數(shù)據(jù)。

以下是VALOX(沙伯基礎)HX215HP/PBT熱塑性聚酯/物性表參數(shù)

PROPERTIES	TYPICAL VALUES	UNITS	TEST METHODS
MECHANICAL
Tensile Stress, yld, Type I, 50 mm/min	51	MPa	ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min	10	%	ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span	82	MPa	ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span	2340	MPa	ASTM D 790
IMPACT
Izod Impact, unnotched, 23°C	1602	J/m	ASTM D 4812
Izod Impact, notched, 23°C	53	J/m	ASTM D 256
Modified Gardner, 23°C	40	J	ASTM D 3029
THERMAL
HDT, 0.45 MPa, 6.4 mm, unannealed	154	°C	ASTM D 648
HDT, 1.82 MPa, 6.4 mm, unannealed	54	°C	ASTM D 648
CTE, -40°C to 40°C, flow	8.1E-05	1/°C	ASTM E 831
CTE, 60°C to 138°C, flow	1.39E-04	1/°C	ASTM E 831
PHYSICAL
Specific Gravity	1.31	-	ASTM D 792
Specific Volume	0.76	cm³/g	ASTM D 792
Water Absorption, 24 hours	0.08	%	ASTM D 570
Mold Shrinkage, flow, 0.75-2.3 mm	0.9-1.6	%	SABIC method
Mold Shrinkage, flow, 2.3-4.6 mm	1.5-2.3	%	SABIC method
Mold Shrinkage, xflow, 0.75-2.3 mm	1-1.7	%	SABIC method
Mold Shrinkage, xflow, 2.3-4.6 mm	1.6-2.4	%	SABIC method
Melt Viscosity	100	Pa-s	SABIC method
Injection Molding
Drying Temperature	120	°C
Drying Time	3 - 4	hrs
Drying Time (Cumulative)	12	hrs
Maximum Moisture Content	0.02	%
Melt Temperature	245 - 260	°C
Nozzle Temperature	240 - 255	°C
Front - Zone 3 Temperature	245 - 260	°C
Middle - Zone 2 Temperature	240 - 255	°C
Rear - Zone 1 Temperature	230 - 250	°C
Mold Temperature	50 - 75	°C
Back Pressure	0.3 - 0.7	MPa
Screw Speed	50 - 100	rpm
Shot to Cylinder Size	40 - 80	%
Vent Depth	0.013 - 0.025	mm