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Covestro PC Makrolon 2256 food contact quality,low viscosity,easy release
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Covestro PC Makrolon 2256 food contact quality,low viscosity,easy release
| Brand Name | Covestro |
| Model Number | 2256 |
Product Details
Payment & Shipping Terms
Minimum Order Quantity
25KG
Price
*USD to be negotiated
Packaging Details
25Kgs/BAG
Payment Terms
L/C, T/T, Western Union, MoneyGram
Product Description
General purpose grades
Food contact grades / Low viscosity
MVR (300 °C/1.2 kg) 34 cm³/10 min; food contact quality; low viscosity; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent, translucent and opaque colorsnly
Rheological properties
| Property | Test Condition | Unit | Standard | typical Value | |
| C | Melt volume-flow rate |
300 °C/ 1.2 kg
|
cm³/10 min | ISO 1133 |
34
|
|
Melt mass-flow rate
|
300 °C/ 1.2 kg
|
g/10 min
|
ISO 1133 | 37 | |
| C |
Molding shrinkage, parallel
|
60x60x2 mm/ 500 bar
|
% | ISO 294-4 |
0.65
|
| C | Molding shrinkage, normal | 60x60x2 mm/ 500 bar | % | ISO 294-4 | 0.65 |
| Molding shrinkage, parallel/normal | Value range based on general practical experience |
% |
b.o. ISO 2577
|
0.5-0.7 | |
Mechanical properties (23 °C/50 % r. h.)
| Property | Test Condition | Unit | Standard | typical Value | |
| C | Tensile modulus | 1 mm/min | MPa | ISO 527-1,-2 | 2400 |
| C |
Yield stress
|
50 mm/min | MPa | ISO 527-1,-2 | 65 |
| C | Yield stress | 50 mm/min | % | ISO 527-1,-2 | 6.0 |
| C |
Nominal strain at break
|
50 mm/min | % | ISO 527-1,-2 |
>50
|
| Stress at break | 50 mm/min | kJ/m² | ISO 527-1,-2 | 60 | |
| Stress at break | 50 mm/min | kJ/m² |
b.o. ISO 527-1,-2
|
125 | |
| C |
Tensile creep modulus
|
1 h | MPa |
ISO 899-1
|
2200 |
| C |
Tensile creep modulus
|
1000 h | MPa |
ISO 899-1
|
1900 |
|
Flexural modulus
|
2 mm/min | MPa |
ISO 178
|
2350 | |
|
Flexural strength
|
2 mm/min | MPa |
ISO 178
|
97 | |
|
Flexural strain at flexural strength
|
2 mm/min | % |
ISO 178
|
7.1 | |
|
Flexural stress at 3.5 % strain
|
2 mm/min | MPa |
ISO 178
|
73 | |
| C |
Charpy impact strength
|
23 °C | kJ/m² |
ISO 179/1eU
|
N |
|
Charpy impact strength
|
-60 °C/ | kJ/m² |
ISO 179/1eU
|
N | |
|
Charpy notched impact strength
|
23 °C/3mm | kJ/m² |
ISO 21305/based on ISO 180/A
|
55P(C) | |
|
Charpy notched impact strength
|
-30 °C/3mm | kJ/m² | ISO 21305/based on ISO 180/A | 12C | |
| Izod notched impact strength | 23 °C/3mm | kJ/m² | ISO 21305/based on ISO 180/A | 55P | |
|
Izod notched impact strength
|
-30 °C/3mm | kJ/m² |
ISO 21305/based on ISO 180/A
|
12C | |
| C |
Puncture impact properties - maximum force
|
23 °C | N |
ISO 6603-2
|
4900 |
| C |
Puncture impact properties - maximum force
|
-30 °C | N |
ISO 6603-2
|
5900 |
| C |
Puncture energy
|
23 °C | J |
ISO 6603-2
|
55 |
| C |
Puncture energy
|
-30 °C | J |
ISO 6603-2
|
60 |
|
Ball indentation hardness
|
N/mm² |
ISO 2039-1
|
115 | ||
Resins wholesale,Factory-Direct supply,Certified supplier
Main Product: PC,PC/ABS,PC/PET,PC/PBT
Customized Services: Modified, Color matching, Production technical support
Several Warehouse: Guang zhou, Dong guan, Shen zhen, Hong kong
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