沙伯基礎(chǔ)創(chuàng)新PC LEXAN PK2870 特性：食品級，高抗撞擊性，高粘度，支化高分子結(jié)構(gòu)，良好的熔體強度，用于瓶子，水桶等
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PC PK2870 物性表：
| Physical |
Nominal Value |
Unit |
Test Method |
| Specific Gravity |
1.20 |
g/cm³ |
ASTM D792 |
| Density |
1.20 |
g/cm³ |
ISO 1183 |
| Melt Mass-Flow Rate (MFR) (300°C/1.2 kg) |
2.5 |
g/10 min |
ASTM D1238 |
| Melt Volume-Flow Rate (MVR) |
|
|
ISO 1133 |
| 300°C/1.2 kg |
2.00 |
cm³/10min |
|
| 300°C/2.16 kg |
4.00 |
cm³/10min |
|
| Molding Shrinkage - Flow (3.20 mm) |
0.50 to 0.70 |
% |
Internal Method |
| Water Absorption (Saturation, 23°C) |
0.35 |
% |
ISO 62 |
| Water Absorption |
|
|
ASTM D570 |
| Equilibrium, 23°C |
0.35 |
% |
|
| Equilibrium, 100°C |
0.58 |
% |
|
| Water Absorption (Equilibrium, 23°C, 50% RH) |
0.15 |
% |
ISO 62 |
| Mechanical |
Nominal Value |
Unit |
Test Method |
| Tensile Modulus 2 |
2350 |
MPa |
ASTM D638 |
| Tensile Modulus |
2350 |
MPa |
ISO 527-2/1 |
| Tensile Strength 3 (Yield) |
62.0 |
MPa |
ASTM D638 |
| Tensile Stress (Yield) |
65.0 |
MPa |
ISO 527-2/50 |
| Tensile Strength 3 (Break) |
65.0 |
MPa |
ASTM D638 |
| Tensile Stress (Break) |
70.0 |
MPa |
ISO 527-2/50 |
| Tensile Elongation 3 (Yield) |
7.0 |
% |
ASTM D638 |
| Tensile Strain (Yield) |
7.0 |
% |
ISO 527-2/50 |
| Tensile Elongation 3 (Break) |
> 70 |
% |
ASTM D638 |
| Tensile Strain (Break) |
> 70 |
% |
ISO 527-2/50 |
| Flexural Modulus 4 (50.0 mm Span) |
2300 |
MPa |
ASTM D790 |
| Flexural Modulus 5 |
2300 |
MPa |
ISO 178 |
| Flexural Strength 5, 6 |
95.0 |
MPa |
ISO 178 |
| Flexural Strength 4 (Yield, 50.0 mm Span) |
93.0 |
MPa |
ASTM D790 |
| Impact |
Nominal Value |
Unit |
Test Method |
| Charpy Notched Impact Strength 7 |
|
|
ISO 179/1eA |
| -30°C |
50 |
kJ/m² |
|
| 23°C |
70 |
kJ/m² |
|
| Charpy Unnotched Impact Strength 7 |
|
|
ISO 179/1eU |
| -30°C |
No Break |
|
|
| 23°C |
No Break |
|
|
| Notched Izod Impact |
|
|
ASTM D256 |
| -30°C |
150 |
J/m |
|
| 23°C |
750 |
J/m |
|
| Notched Izod Impact Strength 8 |
|
|
ISO 180/1A |
| -30°C |
55 |
kJ/m² |
|
| 23°C |
75 |
kJ/m² |
|
| Unnotched Izod Impact |
|
|
ASTM D4812 |
| -30°C |
No Break |
|
|
| 23°C |
No Break |
|
|
| Unnotched Izod Impact Strength 8 |
|
|
ISO 180/1U |
| -30°C |
No Break |
|
|
| 23°C |
No Break |
|
|
| Gardner Impact (23°C) |
170 |
J |
ASTM D3029 |
| Hardness |
Nominal Value |
Unit |
Test Method |
| Rockwell Hardness (R-Scale) |
120 |
|
ISO 2039-2 |
