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Chemically Resistant adhesives

Covestro Bayblend® MTR Extruded Thermoplastic
Categories: Polymer; Thermoplastic

Material Notes: Bayblend® MTR sheet is an opaque product offering a combination of low flammability characteristics, robust mechanical properties, and ease of fabrication. Bayblend MTR 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 has 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. Bayblend MTR is available in a variety of textures and colors.

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

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 1.30 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 49.0 MPa7110 psiASTM D638
Tensile Strength, Yield 54.5 MPa7900 psiASTM D638
Elongation at Break 11 %11 %ASTM D638
Modulus of Elasticity 3.72 GPa540 ksiASTM D638
Flexural Strength 103 MPa14900 psiASTM D790
Flexural Modulus 3.65 GPa529 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 27.1 J
@Thickness 3.00 mm
20.0 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 24.2 kV/mm615 kV/inASTM D149
Dissipation Factor  0.0040
@Thickness 3.17 mm,
Frequency 1e+6 Hz
0.0040
@Thickness 0.125 in,
Frequency 1e+6 Hz
ASTM D150
 0.0060
@Thickness 3.00 mm,
Frequency 60 Hz
0.0060
@Thickness 0.118 in,
Frequency 60 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 49.1 µm/m-°C27.3 µin/in-°FASTM D696
Thermal Conductivity 1.92 W/m-K13.3 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) 103 °C217 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 96.1 °C205 °FASTM D648
Vicat Softening Point 111 °C232 °FASTM D1525
Smoke Density 1.5 min1.5 min<100; ASTM D622
 4.0 min4.0 min<200; ASTM E622

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PCOVEST0039 / 201822

Chemically Resistant adhesives

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