پلی کربنات 920


پلي كربنات 920 يك پلي كربنات مات ضد شعله با ويسكوزيته پايين مي باشد كه خواص مكانيكي و چقرمگي خوبي دارد. كاربرد آن در  صنايع الكتريكي و الكترونيك و لوازم خانگي و صنايع خودرو مي باشد.

Technical Datasheet PC 920

Product Description:

PC 920 is a Polycarbonate resin featuring opaque color, low viscosity, and superior flame retardance.

Applications:

Automotive parts, home appliances, electrical and electronic applications.

Typical data:

PROPERTY TEST METHOD UNIT TYPICAL VALUE
Specific Gravity ASTM D792 g/cm³ 1.21
Specific Volume ASTM D792 cm³/g 0.835
Density ASTM D792 g/cm3 1.25
Melt volume-flow rate,(MFR)300 ºC, 1.2kg ASTM D1238 g/10 min 15
Molding shrinkage-flow (3.20mm) Internal Method % 0.50 to 0.70
Water Absorption (24hr) ASTM D570 % 0.15

Water Absorption

Equilibrium, 23°C

Equilibrium,100°C

ASTM D570

 

%

%

 

0.35

0.58

Outdoor Suitability UL 746C   f1
Tensile Strength 2 (Yield) ASTM D638 MPa 62.1
Tensile Strength 2 (Break) ASTM D638 MPa 55.8
Tensile Elongation2 (Yield) ASTM D638 % 7.0
Tensile Elongation2 (Break) ASTM D638 % 90
Flexural Modulus 3 (50.0 mm Span) ASTM D790 MPa 2240
Flexural Stress 3 (Yield, 50.0 mm Span) ASTM D790 MPa 91.0
Taber Abrasion Resistance (1000 Cycles, 1000 g, CS-17 Wheel) ASTM D1044 mg 10.0
Notched Izod Impact (23°C) ASTM D256 J/m 640
Unnotched Izod Impact (23°C) ASTM D4812 J/m 3200
Gardner Impact (23°C) ASTM D3029 J 169
Tensile Impact Strength 4 ASTM D1822 kJ/m² 525
Rockwell Hardness MScale RScale ASTM D785   70 118
Deflection Temperature Under Load (0.45 MPa, Unannealed, 6.40 mm) ASTM D648 °C 138
Deflection Temperature Under Load (1.8 MPa, Unannealed, 6.40 mm) ASTM D648 °C 132
Vicat Softening Temperature ASTM D1525 5 °C 152
CLTE Flow (40 to 95°C) ASTM E831 °C °C 6.8E-5
Thermal Conductivity ASTM C177   0.19
RTI Elec UL 746 cm/cm/°C 130
RTI Imp UL 746 W/m/K 120
RTI Str UL 746 °C 130

* Typical values not to be construed as specifications.cm

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