Shenzhen Samtion Chemical Co.Ltd mk1@samtion.com
Covestro PC Makrolon 2656 food contact quality,medium viscosity,easy release

Covestro PC Makrolon 2656 food contact quality,medium viscosity,easy release

  • Brand Name
    Covestro
  • Model Number
    2656
  • Document
  • Minimum Order Quantity
    25KG
  • Price
    *USD to be negotiated
  • Packaging Details
    25Kgs/BAG
  • Payment Terms
    L/C, T/T, Western Union, MoneyGram

Covestro PC Makrolon 2656 food contact quality,medium viscosity,easy release

General purpose grades 

Food contact grades / Medium viscosity
MVR (300 °C/1.2 kg) 12 cm³/10 min; food contact quality; medium viscosity; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent, translucent and opaque colors

 

Rheological properties

 

Property Test Condition Unit Standard typical Value
C Melt volume-flow rate
300 °C/ 1.2 kg
cm³/10 min ISO 1133
12
 
Melt mass-flow rate
300 °C/ 1.2 kg
g/10 min
ISO 1133 13
C
Molding shrinkage, parallel
60x60x2 mm/ 500 bar
% ISO 294-4
0.7
C Molding shrinkage, normal 60x60x2 mm/ 500 bar % ISO 294-4 0.75
  Molding shrinkage, parallel/normal Value range based on general
practical experience
%
b.o. ISO 2577
0.6-0.8

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 66
C Yield stress 50 mm/min % ISO 527-1,-2 6.1
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 70
  Stress at break 50 mm/min kJ/m²
b.o. ISO 527-1,-2
130
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
2400
 
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
70P(C)
 
Charpy notched impact strength
-30 °C/3mm kJ/m² ISO 21305/based on ISO 180/A 16C
  Izod notched impact strength 23 °C/3mm kJ/m² ISO 21305/based on ISO 180/A 70P
 
Izod notched impact strength
-30 °C/3mm kJ/m²
ISO 21305/based on ISO 180/A
15C
C
Puncture impact properties - maximum force
23 °C N
ISO 6603-2

 

5400
C
Puncture impact properties - maximum force
-30 °C N
ISO 6603-2
6300
C
Puncture energy
23 °C J
ISO 6603-2
60
C
Puncture energy
-30 °C J
ISO 6603-2
65
 
Ball indentation hardness
  N/mm²
ISO 2039-1
115

 

Covestro PC Makrolon 2656 food contact quality,medium viscosity,easy release 0

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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