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Chemically Resistant adhesives

Covestro Bayblend® MTR AG Extruded Thermoplastic
Categories: Polymer; Thermoplastic

Material Notes: Bayblend® MTR AG sheet is a high performance product extension of Bayblend MTR sheet providing increased resistance to graffiti, scratches, cleaning chemicals, and foodstuff stains. This opaque flame retardant polycarbonate based sheet offers a unique combination of flammability characteristics, robust mechanical properties, and ease of fabrication. Bayblend MTR AG complies with the flammability and smoke emission requirements for transit materials per the U.S. Federal Railroad Administration, listed in DOT: 49 CFR 238, and meets the criteria in the Bombardier Transportation Standard SMP 800-C for Toxic Gas Generation. Bayblend MTR AG has a lower specific gravity, higher stiffness, higher strength, and greater toughness than typical non-metallic materials used for mass transportation interior components. This combination of physical properties allows for design of thinner and lighter parts that often do not require secondary reinforcement or stiffeners in the application. Bayblend MTR AG is available in a variety of textures and colors or custom printed decoration.

Applications: Thermoformed rail interior parts, such as seating components, wall cladding, window reveals, and ceiling panels

Information provided by Covestro

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.30 g/cc1.30 g/ccASTM D792
Moisture Absorption at Equilibrium 0.10 %
@Time 86400 sec
0.10 %
@Time 24.0 hour
ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 6060ASTM D785
Hardness, Rockwell R 116116ASTM D785
Tensile Strength at Break 47.6 MPa6900 psiASTM D638
Tensile Strength, Yield 57.9 MPa8400 psiASTM D638
Elongation at Break 10 %10 %ASTM D638
Modulus of Elasticity 2.93 GPa425 ksiASTM D638
Flexural Strength 103 MPa14900 psiASTM D790
Flexural Modulus 3.59 GPa521 ksiASTM D790
Izod Impact, Notched 0.801 J/cm
@Thickness 3.00 mm
1.50 ft-lb/in
@Thickness 0.118 in
ASTM D256
Impact Test 32.5 J
@Thickness 3.00 mm
24.0 ft-lb
@Thickness 0.118 in
ASTM D3763
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity  4.00e+15 ohm-cm
@Thickness 2.84 mm
4.00e+15 ohm-cm
@Thickness 0.112 in
ASTM D257
 6.60e+15 ohm-cm
@Thickness 3.17 mm
6.60e+15 ohm-cm
@Thickness 0.125 in
ASTM D257
Dielectric Constant  2.9
@Thickness 3.00 mm,
Frequency 1e+6 Hz
2.9
@Thickness 0.118 in,
Frequency 1e+6 Hz
ASTM D150
 3.0
@Thickness 3.17 mm,
Frequency 60 Hz
3.0
@Thickness 0.125 in,
Frequency 60 Hz
ASTM D150
Dielectric Strength 25.9 kV/mm658 kV/inASTM D149
Dissipation Factor  0.0040
@Thickness 3.17 mm,
Frequency 60 Hz
0.0040
@Thickness 0.125 in,
Frequency 60 Hz
ASTM D150
 0.0070
@Thickness 3.00 mm,
Frequency 1e+6 Hz
0.0070
@Thickness 0.118 in,
Frequency 1e+6 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 48.6 µm/m-°C27.0 µin/in-°FASTM D696
Thermal Conductivity 2.39 W/m-K16.6 BTU-in/hr-ft²-°FASTM E1530
Insulation R Value 0.900.90Btu-ft2-hr°F; ASMT E1530
Deflection Temperature at 0.46 MPa (66 psi) 104 °C219 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 127 °C261 °FASTM D648
Vicat Softening Point 112 °C234 °FASTM D1525
Smoke Density 1.5 min1.5 min<100; ASTM D622
 4.0 min4.0 min<200; ASTM E622

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PCOVEST0040 / 201823

Chemically Resistant adhesives

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