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Rulon Bearings

Covestro Makrolon® TG 460 sheet Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes: Rail glazing Makrolon® TG 460 sheet is a hard-coated polycarbonate product designed for high optical quality and exceptional durability. This 0.460 in. thick product meets stringent U.S. Federal Railroad Administration requirements for impact, ballistic, and flammability performance. State-of-the-art manufacturing and inspection processes provide low optical distortion and the advanced hard coat technology provides excellent abrasion resistance, chemical resistance, and long lasting outdoor weathering performance. This product is available in clear and a variety of standard and custom tints. Makrolon TG 460 is offered with a seven (7) year Limited Product Warranty against breakage for flat vertical applications.

Applications: Passenger rail car windows and other transportation glazing

Information provided by Covestro
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.20 g/cc1.20 g/ccASTM D792
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 7070ASTM D785
Hardness, Rockwell R 118118ASTM D785
Tensile Strength, Ultimate 65.5 MPa9500 psiASTM D638
Modulus of Elasticity 2.34 GPa339 ksiASTM D638
Flexural Strength 93.1 MPa13500 psiASTM D790
Compressive Strength 86.2 MPa12500 psiASTM D695
Poissons Ratio 0.380.38ASTM E132
Izod Impact, Notched 8.54 J/cm
@Thickness 3.17 mm		16.0 ft-lb/in
@Thickness 0.125 in		ASTM D256
Izod Impact, Unnotched NB
@Thickness 3.17 mm		NB
@Thickness 0.125 in		ASTM D256
Impact Test >= 63.7 J
@Thickness 3.17 mm		>= 47.0 ft-lb
@Thickness 0.125 in		ASTM D3763
Taber Abrasion, mg/1000 Cycles 2.0
@Load 0.500 kg		2.0
@Load 1.10 lb		CS-10F Wheel; ASTM D1044
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 8.20e+16 ohm-cm8.20e+16 ohm-cmASTM D257
Dielectric Constant  2.96
@Frequency 10 Hz		2.96
@Frequency 10 Hz		ASTM D 150
 3.17
@Frequency 60 Hz		3.17
@Frequency 60 Hz		ASTM D 150
Dielectric Strength 15.0 kV/mm
@Thickness 3.17 mm		381 kV/in
@Thickness 0.125 in		ASTM D149
Dissipation Factor  0.00090
@Frequency 60 Hz		0.00090
@Frequency 60 Hz		ASTM D150
 0.010
@Frequency 1e+6 Hz		0.010
@Frequency 1e+6 Hz		ASTM D150
Arc Resistance 10 sec10 secStainless Steel Strip Electrode; ASTM D495
 120 sec120 secTungsten Electrodes; ASTM D495
 
Thermal PropertiesMetricEnglishComments
CTE, linear 67.5 µm/m-°C37.5 µin/in-°FASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 142 °C288 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 132 °C270 °FASTM D648
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 84 %
@Thickness 5.99 mm		84 %
@Thickness 0.236 in		ASTM D1003
 
Descriptive Properties
Chemical ResistanceAcetone>24 Hrs
 Ammonia (10% concentration)>24 Hrs
 Antifreeze (50/50)>24 Hrs
 Benzene>24 Hrs
 Bleach (Clorox concentrated)>24 Hrs
 Chloroform>24 Hrs
 Denatured Alcohol>24 Hrs
 Di (2-ethylhexyl) phthalate>24 Hrs
 Diesel Oil>24 Hrs
 Hydrochloric Acid (20%)>24 Hrs
 Isopropyl Alcohol (IPA)>24 Hrs
 Kerosene>24 Hrs
 Methyl Alcohol>24 Hrs
 Methyl Butyl Ketone>24 Hrs
 Methyl Ethyl Ketone>24 Hrs
 Methylene Chloride>24 Hrs
 Naphthalene, 1-bromo->24 Hrs
 Nitric Acid (20%)>24 Hrs
 Potassium Hydroxide - Lye (10%)>24 Hrs
 Sodium Hydroxide (10%)>24 Hrs
 Sulfuric Acid (20%)>24 Hrs
 Toluene>24 Hrs
 Turpentine>24 Hrs
 Unleaded Gasoline (87 Octane)>24 Hrs
 Vinegar>24 Hrs
 Xylene>24 Hrs

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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