产品详情
长期供应宁波台塑 PP 5070价格合理,诚信经营，可全国供货（广东省内 免费送货上门）。
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特性————————
塑料它可以是纯的树脂，也可以是加有各种添加剂的混合物，树脂起粘结剂作用。所加添加料的目的是用来改善纯树脂的物理机械性能，改善加工性能或者为了节约树脂。
因此，塑料最基本的物理化学性质是由树脂的性质所决定的。树脂可分天然树脂和人造树脂，后者又称合成树脂。
树脂都属高聚物，这些高聚物有独特的分子内部结构与分子外部结构。高分子内部结构决定了高聚物最基本的物理化学性质；而高分子外部结构则决定高聚物的加工性能和物理机械性能。 聚合物按链之间在凝固后的结构形态可分非结晶型（无定型），半结晶型和结晶型。所以塑料也有无定型和结晶型之分。 结晶型塑料在凝固时，有晶核到晶粒的生成过程，形成一定的体态。如PE，PP，PA，POM，等均属结晶型。 无定型塑料在凝固时，没有晶核与晶粒的生长过程只是自由的大分子链的“冻结”如PS，PVC，PMMA，PC等。
又按其塑料对热作用的反映，可分热塑性塑料与热固性塑料两类：热塑性塑料的特点是加热可以软化，冷却时又重返固态。这一可逆过程，可以反复多次。如：PS，PVC，PA，PP，POM等；而热固性塑料特点是在某一温度下能转变成可塑性熔体，但如果继续提高温度，延长加热时间高分子内部将产生交联作用而固化。再不能用加热方法使其软化到原始状态，不能反复加工。如：环氧，呋喃，氨基，酚醛等。
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 7.858 g/cc | 0.2839 lb/in³ | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 179 | 179 | |
| Hardness, Knoop | 200 | 200 | Converted from Brinell hardness. |
| Hardness, Rockwell B | 88 | 88 | Converted from Brinell hardness. |
| Hardness, Vickers | 188 | 188 | Converted from Brinell hardness. |
| Tensile Strength, Ultimate | 585 MPa | 84800 psi | |
| Tensile Strength, Yield |
420 MPa @Strain 0.200 % |
60900 psi @Strain 0.200 % |
|
| Elongation at Break | 29.5 % | 29.5 % | in 50 mm |
| Reduction of Area | 70.5 % | 70.5 % | |
| Modulus of Elasticity | 200 GPa | 29000 ksi | Typical for steel |
| Bulk Modulus | 160 GPa | 23200 ksi | Typical for steel |
| Poissons Ratio | 0.29 | 0.29 | Typical For Steel |
| Shear Modulus | 80.0 GPa | 11600 ksi | Typical for steel |
其他型号参数与生产商——————————
PMMA (PMMA # organic glass acrylic /MC/ France akema |)Use: other
Important beters: density: 1.18 g/cm3 molding shrinkage: 0.1% notched impact strength: 21.4 elongation at break: 4.5% bending modulus: 3100 MPa thermal debation temperature: 93.3
Manufacturer: Arkema
PMMA (PMMA # organic glass acrylic |) /A8/ Germany Almaak
Use: other
Characteristic note: high viscosity
Important beters: density: 1.19 g/cm3 water absorption: 0.6% notched impact strength: 1.5 tensile strength: 76 MPa elongation at break: 4% VEKA softening point: 113 degrees hot debation temperature: 100
Manufacturer: Almaak, Germany
PMMA (PMMA # organic glass acrylic |) /J7/ Germany Almaak
Use: other
Characteristic remark: medium viscosity
Important beters: density: 1.19 g/cm3 water absorption: 0.6% notched impact strength: 1.5 tensile strength: 74 MPa elongation at break: 4% VEKA softening point: 104 degrees hot debation temperature: 95
Manufacturer: Almaak, Germany
PMMA (PMMA # organic glass acrylic |) /J8/ Germany Almaak
Use: other
Characteristic note: high viscosity
Important beters: density: 1.19 g/cm3 water absorption: 0.6% notched impact strength: 1.5 tensile strength: 76 MPa elongation at break: 4% VEKA softening point: 110 degrees hot debation temperature: 100
Manufacturer: Almaak, Germany
PMMA (PMMA # | organic glass acrylic plastic /E/02/ Schulman)
Use: other
Important beters: density: 1.18 g/cm3 notched impact strength: 21 VEKA softening point: 107 degrees hot debation temperature: 88
Schulman Plastics Co., Ltd.
PMMA (PMMA # organic glass acrylic | /DR/ Roman Haas)
Use: other
Important beters: melt flow rate: 1 g/10min density: 1.15 g/cm3 absorption rate: 0.4% molding shrinkage rate: 0.0055% notched impact strength: 6 tensile strength: 67 MPa flexural strength: 70 MPa flexural modulus: 1862 MPa VEKA softening point: debation temperature of 96 DEG C thermal transmittance: 79 degrees: 90%
Manufacturer: Chinese Rohm and Haas company
PMMA (PMMA # organic glass acrylic /IF860/LG chemical |)
Use: other
Important beters: melt flow rate: 16 g/10min density: 1.18 g/cm3 water absorption: 0.3% bending strength: 128 MPa bending modulus: 3295 MPa hardness: 94 VEKA softening point: 104 degrees hot debation temperature: 84
Manufacturer: Korea LG chemical company
PMMA (PMMA # organic glass acrylic /MHF/ Japan Sumitomo |)
Use: other
Important beters: melt flow rate: 2 g/10min density: 1.19 g/cm3 water absorption: 0.3% bending strength: 120 MPa bending modulus: 3200 MPa VEKA softening point: 111 degrees hot debation temperature: 102 degrees light transmittance: 93%
Manufacturer: Japan Sumitomo Chemical Industry Co. Ltd.
PMMA (organic glass acrylic PMMA # |) /Implex Plus/ France akema
Use: other
Important beters: density: 1.18 g/cm3 notched impact strength: 36.3 bending modulus: 2690 MPa thermal debation temperature: 84.4
Manufacturer: Arkema
PMMA (PMMA # organic glass acrylic /GRANITE/ France akema |)
Use: other
Important beters: density: 1.18 g/cm3 water absorption: 0.3% molding shrinkage: 0.3% notched impact strength: 37.4 elongation at break: 12% bending modulus: 1930 MPa VEKA softening point: 96.7 degrees hot debation temperature: 80
Manufacturer: Arkema
