牌号简介 About |
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certene hi-752 hi-752是一种经认证的主要共聚物,设计用于需要良好平衡机械性能的注塑应用。HI-752具有加工性好、刚度好、冲击强度好、抗翘曲性高、尺寸稳定性好等特点。Hi-752特别适用于桶、垃圾桶、瓶子和鱼板条箱、手提箱、水果和蔬菜托盘,以及在需要耐低温冲击和韧性的地方搬运材料。Hi-752不紫外线稳定。建议加工温度为210至250°C。模具温度为20至40°C。Hi-752符合FDA法规21CFR 177.1520(c)3.1(a)+3.2(a)以及大多数与食品接触的聚乙烯使用相关的国际法规。 CERTENE™ HI-752 HI-752 is a certified prime copolymer designed for INJECTION MOLDING applications requiring good balance of mechanical properties. HI-752 features easy processability, good stiffness, good impact strength, high warpage resistance and excellent dimensional stability. HI-752 is especially suitable for pails, waste bins, bottle and fish crates, tote bins, fruit and vegetable trays, and handling materials where resistance to low temperature impact and toughness is required. HI-752 is not UV stabilized. Recommended processing temperature is 210 to 250°C. with mold @ 20 to 40°C.. HI-752 complies with FDA regulation 21CFR 177.1520 (c) 3.1 (a) + 3.2 (a) and with most international regulations concerning the use of Polyethylene in contact with food articles. CERTENE™ HI-752 HI-752 is a certified prime copolymer designed for INJECTION MOLDING applications requiring good balance of mechanical properties. HI-752 features easy processability, good stiffness, good impact strength, high warpage resistance and excellent dimensional stability. HI-752 is especially suitable for pails, waste bins, bottle and fish crates, tote bins, fruit and vegetable trays, and handling materials where resistance to low temperature impact and toughness is required. HI-752 is not UV stabilized. Recommended processing temperature is 210 to 250°C. with mold @ 20 to 40°C.. HI-752 complies with FDA regulation 21CFR 177.1520 (c) 3.1 (a) + 3.2 (a) and with most international regulations concerning the use of Polyethylene in contact with food articles. |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
0.952 | g/cm³ | ASTM D1505 |
熔体质量流动速率 Melt Flow Rate |
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190℃,2.16kg 190℃,2.16kg |
7.0 | g/10min | ASTM D1238 |
抗环境应力开裂 ESCR(Environmental Stress Cracking Resistance) |
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50 ℃,100%非离子表面活性剂,模压成型,F50 50 ℃, 100% non-ionic surfactant, molded, F50 |
10.0 | hr | ASTM D1693 |
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸强度 tensile strength 2 |
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屈服,模压成型 Yield, molding 2 |
27.6 | MPa | ASTM D638 |
拉伸应变 Tensile strain 2 |
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断裂,模压成型 Fracture, molded 2 |
1000 | % | ASTM D638 |
弯曲模量 Bending modulus 2 |
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1% 正割,模压成型 1% cut, molded 2 |
MPa | ASTM D790 | |
冲击性能 IMPACT |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸冲击强度 Tensile impact strength |
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模压成型 Compression Molding |
kJ/m² | ASTM D1822 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
热变形温度 Hot deformation temperature |
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0.45 MPa,未退火 0.45 MPa, unannealed |
℃ | ASTM D648 | |
脆化温度 Embrittlement temperature |
℃ | ASTM D746 | |
维卡软化温度 Vicat Softening Temp |
℃ | ASTM D1525 |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 2.0 in/min |
3 0.051 in/min |
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