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Sabic Lexan ML7681 Polycarbonate With High Flow, Good Processability, Good Impact And Thermal Properties

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Sabic Lexan ML7681 Polycarbonate With High Flow, Good Processability, Good Impact And Thermal Properties
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Features
Specifications
Melt Flow Rate, 300°C/1.2 Kgf: 25
Basic Infomation
Place of Origin: ——
Brand Name: Sabic Lexan
Certification: COA/ICP Test/Rohs/MSDS
Model Number: ML7681
Payment & Shipping Terms
Packaging Details: 25KG/BAG
Delivery Time: To be negotiated
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: To be negotiated
Product Description

Sabic Lexan  ML7681 resin is Polycarbonate with high flow, good processability, good impact and thermal properties, non-Chlorine and non-Bromine flame retardant,UL rated V-0 and V-1. Available in limited translucent colors only.

 


Property

TYPICAL PROPERTIES (1)      
MECHANICAL Value Unit Standard
Tensile Stress, yld, Type I, 50 mm/min 53 MPa ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min 54 MPa ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min 6 % ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min 102 % ASTM D 638
Tensile Modulus, 50 mm/min 2250 MPa ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span 95 MPa ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span 2200 MPa ASTM D 790
Tensile Stress, yield, 50 mm/min 52 MPa ISO 527
Tensile Stress, break, 50 mm/min 51 MPa ISO 527
Tensile Strain, yield, 50 mm/min 5.8 % ISO 527
Tensile Strain, break, 50 mm/min 98 % ISO 527
Tensile Modulus, 1 mm/min 2200 MPa ISO 527
Flexural Stress, yield, 2 mm/min 93 MPa ISO 178
Flexural Modulus, 2 mm/min 2300 MPa ISO 178
IMPACT Value Unit Standard
Izod Impact, notched, 23°C 710 J/m ASTM D 256
Izod Impact, notched, -30°C 230 J/m ASTM D 256
Instrumented Impact Total Energy, 23°C 65 J ASTM D 3763
Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm 51 kJ/m² ISO 179/1eA
THERMAL Value Unit Standard
Vicat Softening Temp, Rate B/50 136 °C ASTM D 1525
HDT, 1.82 MPa, 3.2mm, unannealed 120 °C ASTM D 648
CTE, -40°C to 40°C, flow 7.1E-05 1/°C ASTM E 831
CTE, -40°C to 40°C, xflow 6.9E-05 1/°C ASTM E 831
CTE, 23°C to 80°C, flow 6.8E-05 1/°C ISO 11359-2
CTE, 23°C to 80°C, xflow 6.9E-05 1/°C ISO 11359-2
Vicat Softening Temp, Rate B/50 137 °C ISO 306
Vicat Softening Temp, Rate B/120 138 °C ISO 306
PHYSICAL Value Unit Standard
Specific Gravity 1.19 - ASTM D 792
Mold Shrinkage, flow, 3.2 mm 0.6 - 0.8 % SABIC Method
Mold Shrinkage, xflow, 3.2 mm 0.6 - 0.8 % SABIC Method
Melt Flow Rate, 300°C/1.2 kgf 25 g/10 min ASTM D 1238
Density 1.19 g/cm³ ISO 1183
Water Absorption, (23°C/sat) 0.24 % ISO 62
Moisture Absorption (23°C / 50% RH) 0.09 % ISO 62
Melt Volume Rate, MVR at 300°C/1.2 kg 24 cm³/10 min ISO 1133
ELECTRICAL Value Unit Standard
Comparative Tracking Index (UL) {PLC} 3 PLC Code UL 746A
FLAME CHARACTERISTICS Value Unit Standard
UL Recognized, 94V-1 Flame Class Rating (3) 1 mm UL 94
UL Recognized, 94V-0 Flame Class Rating (3) 1.2 mm UL 94
Source GMD, last updated:09/11/2008    

Processing

Parameter      
Injection Molding Value Unit  
Drying Temperature 120 °C  
Drying Time 3 - 4 hrs  
Drying Time (Cumulative) 48 hrs  
Maximum Moisture Content 0.02 %  
Melt Temperature 270 - 295 °C  
Nozzle Temperature 265 - 290 °C  
Front - Zone 3 Temperature 270 - 295 °C  
Middle - Zone 2 Temperature 260 - 280 °C  
Rear - Zone 1 Temperature 250 - 270 °C  
Mold Temperature 70 - 95 °C  
Back Pressure 0.3 - 0.7 MPa  
Screw Speed 40 - 70 rpm  
Shot to Cylinder Size 40 - 60 %  
Vent Depth 0.025 - 0.076 mm  
Source GMD, last updated:09/11/2008    
THESE PROPERTY VALUES ARE NOT INTENDED FOR SPECIFICATION PURPOSES.    
PLEASE CHECK WITH YOUR (LOCAL SALES OFFICE) FOR AVAILABILITY IN YOUR REGION    
(1) Typical values only. Variations within normal tolerances are possible for various colors. All values are measured after at least 48 hours
storage at 23°C/50% relative humidity. All properties, except the melt volume and melt flow rates, are measured on injection molded
samples. All samples tested under ISO test standards are prepared according to ISO 294.
(2) Only typical data for selection purposes. Not to be used for part or tool design.      
(3) This rating is not intended to reflect hazards presented by this or any other material under actual fire conditions.  
(4) Internal measurements according to UL standards.      

 

 


 

For more information please download the datasheet

Sabic Lexan ML7681 Polycarbonate With High Flow, Good Processability, Good Impact And Thermal Properties 0  Sabic Lexan ML7681.pdf

 

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