dow™ hdpedmda-8950 nt 7

high density polyethylene resin

陶氏塑料

产品说明：

dow™ dmda-8950 nt 7 high density polyethylene (hdpe) resin isproduced via unipol™ process technology from dow and is intendedfor use in thin-wall injection molding applications such as foodcontainers, including freezer applications. this resin has beendesigned to provide a good impact/stiffness balance as well asexcellent processability.
main characteristics

injection molding

for injection molded thin-wall food containers, includingfreezer applications

high flow for processing ease

very narrow molecular weight distribution

complies with:

u.s. fda 21 cfr 177.1520(c) 3.1a

canadian hpfb no objection

consult the regulations for complete details.

物性信息：

基本信息

机构评级	fda 21 cfr 177.1520(c) 3.1a hpfb (加拿大) no objection
形式	粒子

物理性能额定值单位制测试方法

比重	0.942	g/cm³	astm d792
熔流率（熔体流动速率） (190°c/2.16 kg)	50	g/10 min	astm d1238
抗环境应力开裂 (50°c, igepal,f50)	6.00	hr	astm d1693

机械性能额定值单位制测试方法

抗张强度			astm d638
屈服	20.9	mpa	astm d638
断裂	14.4	mpa	astm d638
伸长率			astm d638
屈服	9.0	%	astm d638
断裂	37	%	astm d638
弯曲模量 - 2% 正割	576	mpa	astm d790b

冲击性能额定值单位制测试方法

拉伸冲击强度 1	90.4	kj/m²	astm d1822

热性能额定值单位制测试方法

脆化温度	-52.8	°c	astm d746
溶融温度（dsc）	127	°c	内部方法
结晶峰温度 (dsc)	115	°c	内部方法