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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 | 0.900 g/cc | 0.0325 lb/in³ | ASTM D1505 |
| Melt Flow |
11 g/10 min @Load 2.16 kg, Temperature 230 °C |
11 g/10 min @Load 4.76 lb, Temperature 446 °F |
Condition L; ASMT D1238 |
| Mechanical Properties | Metric | English | Comments |
| Tensile Strength, Yield | 28.4 MPa | 4120 psi | ASTM D638 |
| Elongation at Yield | 13 % | 13 % | ASTM D638 |
| Flexural Modulus | 1.05 GPa | 152 ksi | ASTM D790 |
| Izod Impact, Notched |
0.686 J/cm @Temperature 23.0 °C |
1.29 ft-lb/in @Temperature 73.4 °F |
ASTM D256 |
| Thermal Properties | Metric | English | Comments |
| Deflection Temperature at 0.46 MPa (66 psi) | 86.0 °C | 187 °F | ASTM D648 |
其他型号参数与生产商——————————
PMMA (PMMA # organic glass acrylic /UVA20/ France akema |)Use: other
Important beters: density: 1.15 g/cm3 absorption rate: 0.4% molding shrinkage rate: 0.3% notched impact strength: 59 bending strength: 71 MPa flexural modulus: 1860 MPa hardness: 45 VEKA softening point of 86.1 DEG C heat debation temperature of 79.4 DEG C: light transmittance: 90%
Manufacturer: Arkema
PMMA (PMMA # organic glass acrylic |) /5001E/ Germany Gunther
Use: other
Note: the characteristic features: optical properties, good surface finish, scratch resistance.
Important beters: melt flow rate: 0.8 g/10min density: 1.19 g/cm3 notched impact strength: 20 tensile strength: 75 MPa VEKA softening point: 108
Manufacturer: Germany's plastic
PMMA (PMMA # organic glass acrylic |) /5002E/ Germany Gunther
Use: other
Note: the characteristic features: optical properties, good surface finish, scratch resistance.
Important beters: melt flow rate: 1.3 g/10min density: 1.19 g/cm3 notched impact strength: 20 tensile strength: 70 MPa VEKA softening point: 103
Manufacturer: Germany's plastic
PMMA (PMMA # organic glass acrylic /1800 Clear/ America RTP |)
Use: other
Characteristics note: ESD protection
Important beters: density: 1.15 g/cm3 notched impact strength: 53 bending strength: 58.6 MPa bending modulus: 1720 MPa
Manufacturers: the United States RTP company
PMMA (PMMA # organic glass acrylic |) /A6/ Germany Almaak
Use: other
Property notes: low viscosity, good mobility
Important beters: density: 1.19 g/cm3 water absorption: 0.6% notched impact strength: 1.5 tensile strength: 72 MPa elongation at break: 4% VEKA softening point: 96 degrees hot debation temperature: 90
Manufacturer: Almaak, Germany
PMMA (PMMA # organic glass acrylic |) /A7/ Germany Almaak
Use: other
Characteristic remark: good fluidity, 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 |) /J6/ Germany Almaak
Use: other
Property notes: low viscosity, good mobility
Important beters: density: 1.19 g/cm3 water absorption: 0.6% notched impact strength: 1.5 tensile strength: 72 MPa elongation at break: 4% VEKA softening point: 96 degrees hot debation temperature: 90
Manufacturer: Almaak, Germany
PMMA (organic glass acrylic PMMA # |) /CM-207G/ Zhenjiang CMO
Use: other
Important beters: melt flow rate: 9 g/10min density: 1.19 g/cm3 absorption rate: 0.3% notched impact strength and elongation at break: 12: 10%: 114 MPa flexural strength hardness: 90 VEKA softening point of 115 DEG C heat debation temperature: 102 degrees
Manufacturer: Zhenjiang Chi Mei Co. Ltd.
PMMA (organic glass acrylic PMMA # | /8N/ Evonik Degussa)
Use: other
Important beters: melt flow rate: 1.9 g/10min density: 1.19 g/cm3 absorption rate: 0.3% notched impact strength: 2 tensile strength: 77.5 MPa elongation: 6% flexural modulus 3300 MPa VEKA softening point of 108 DEG C heat debation temperature: 98 degrees
Manufacturer: Germany Evonik Degussa company
PMMA (organic glass acrylic PMMA # | /6N/ Evonik Degussa)
Use: other
Important beters: melt flow rate: 7.4 g/10min density: 1.19 g/cm3 absorption rate: 0.3% notched impact strength: 2 tensile strength: 70.5 MPa elongation: 4% flexural modulus 3200 MPa VEKA softening point of 96 DEG C heat debation temperature: 90 degrees
Manufacturer: Germany Evonik Degussa company
