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    Makrolon? 1248
    
                        
    
                            
    
                                
    Makrolon? 1248
    
                            
    
                            
    
                                
    Manufacturer: Covestro
    Produced At:     Europe / China
    Product Category: Polycarbonate    （PC）
    Product No: Makrolon 1248 
    Product Quantity: 25KG / BAG
    Product Features:     Food Contact Acceptable、Impact Modified、Medium Viscosity
                                
    

                        
    
                    
    

                    
    
                        
                        
    
                            
                            
    
                                
    Makrolon? 1248
    Polycarbonate
    Product Description:
    MVR (300 °C/1.2 kg) 7.0 cm3/10 min; food contact quality; medium viscosity; impact modified; injection molding - melt temperature 280 - 320 °C; available in light colors only
    Additive 
    • Impact Modifier
    Features 
    • Food Contact Acceptable，Impact Modified，Medium Viscosity
    RoHS Compliance 
    • RoHS Compliant
    Appearance 
    • Colors Available
    Processing Method 
    • Injection Molding
    Physical
    Nominal Value
    Unit
    Test Method
    Density (73°F)
    1.20
    g/cm3
    		ISO 1183
    Apparent (Bulk) Density 3
    0.64
    g/cm3
    		ISO 60
    Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)
    7.5
    g/10 min
    		ISO 1133
    Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)
    0.427
    in3/10min
    		ISO 1133
    Molding Shrinkage



    Across Flow
    0.60 to 0.80
    %
    		ISO 2577
    Flow
    0.60 to 0.80
    %
    		ISO 2577
    Across Flow : 0.0787 in 4
    0.80
    %
    		ISO 294-4
    Flow : 0.0787 in 4
    0.75
    %
    		ISO 294-4
    Water Absorption


    		ISO 62
    Saturation, 73°F
    0.40
    %

    Equilibrium, 73°F, 50% RH
    0.12
    %

    Hardness
    Nominal Value
    Unit
    Test Method
    Ball Indentation Hardness
    15700
    psi
    		ISO 2039-1
    Mechanical
    Nominal Value
    Unit
    Test Method
    Tensile Modulus (73°F)
    326000
    psi
    		ISO 527-2/1
    Tensile Stress


    		ISO 527-2/50
    Yield, 73°F
    8850
    psi

    Break, 73°F
    10200
    psi

    Tensile Strain


    		ISO 527-2/50
    Yield, 73°F
    6.0
    %

    Break, 73°F
    130
    %

    Nominal Tensile Strain at Break (73°F)
    > 50
    %
    		ISO 527-2/50
    Flexural Modulus 5 (73°F)
    326000
    psi
    		ISO 178
    Flexural Stress 5


    		ISO 178
    73°F
    12800
    psi

    3.5% Strain,	73°F
    9860
    psi

    Flexural Strain at Flexural Strength 6 (73°F)
    6.8
    %
    		ISO 178
    Impact
    Nominal Value
    Unit
    Test Method
    Charpy Notched Impact Strength 7


    		ISO 7391
    -22°F, Partial Break
    29
    ft·lb/in2

    73°F, Partial Break
    33
    ft·lb/in2

    Charpy Unnotched Impact Strength


    		ISO 179/1eU
    -76°F
    No Break


    -22°F
    No Break


    73°F
    No Break


    Notched Izod Impact Strength 8


    		ISO 7391
    -22°F, Complete Break
    14
    ft·lb/in2

    73°F, Partial Break
    31
    ft·lb/in2

    Multi-Axial Instrumented Impact Energy


    		ISO 6603-2
    -22°F
    44.3
    ft·lb

    73°F
    40.6
    ft·lb

    Multi-Axial Instrumented Impact Peak Force


    		ISO 6603-2
    -22°F
    1370
    lbf

    73°F
    1170
    lbf

    Thermal
    Nominal Value
    Unit
    Test Method
    Heat Deflection Temperature



    66 psi, Unannealed
    282
    °F
    		ISO 75-2/B
    264 psi, Unannealed
    257
    °F
    		ISO 75-2/A
    Glass Transition Temperature 9
    298
    °F
    		ISO 11357-2
    Vicat Softening Temperature



    --
    295
    °F
    		ISO 306/B50
    --
    298
    °F
    		ISO 306/B120
    Ball Pressure Test (280°F)
    Pass

    		IEC 60695-10-2
    CLTE


    		ISO 11359-2
    Flow : 73 to 131°F
    3.9E-5
    in/in/°F

    Transverse : 73 to 131°F
    3.9E-5
    in/in/°F

    Thermal Conductivity 10 (73°F)
    1.4
    Btu·in/hr/ft2/°F
    		ISO 8302
    Halving Interval - Tensile Strength (39.4 mil)
    113.0
    °F
    		IEC 60216
    Temperature Index - Tensile Impact Strengh  11(39.4 mil)
    851
    °F
    		IEC 60216

                                
    
                            
														

                        
    
                    
    


                
    
            
    
        
    
    
    
      

     
 

         
       
    
         
    
            	
    
                	
    
                    	
    Products are widely used in plastic modification, automotive, construction, electrical and electronic, industrial, daily necessities and other fields

    
                        
                    		Consultation 
                    	
                    
    
                
    
          
    
       
    
    
    
    
    
  
    
    
    
        
               
    
                   
    Shanghai Langqi Plastic Materials Co., Ltd.   滬ICP備12022668號     公安機(jī)關(guān)備案號：31011202003696
    
               
    

        
    
    
    
     

    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    





    
  
    
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