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Brandenburger BL 70 Slide Bearing Material

Category Polymer , Thermoset , Filled/Reinforced Thermoset
Manufacturer Brandenburger
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
BL 70 is a low friction material that exhibits stability at high temperatures. Its applications include high-load low friction tracks and linings in transport and conveying systems, high-stressed bearing bushes and sliding strips in heavy machine construction, axial bearing segments and bearing brushes in hot-water circulation pumps, and others.Information provided by Brandenburger Isoliertechnik GmbH&Co.
Physical Properties Metric English Comments
Density 2.20 g/cc
0.0795 lb/in³
Water Absorption 0.00 %
0.00 %
24 hrs; DIN 53 495
Mechanical Properties Metric English Comments
Compressive Strength 15.0 MPa
2180 psi
At compression strain of 3%; EN ISO 604
2.00 MPa

@Temperature 200 °C
290 psi

@Temperature 392 °F
ISO 604
Charpy Impact, Notched 2.50 J/cm²
11.9 ft-lb/in²
EN ISO 179
Coefficient of Friction, Dynamic 0.050
0.050
Dry, Sliding
Thermal Properties Metric English Comments
CTE, linear 120 µm/m-°C

@Temperature 20.0 °C
66.7 µin/in-°F

@Temperature 68.0 °F
DIN 53 752
Thermal Conductivity 0.310 W/m-K
2.15 BTU-in/hr-ft²-°F
ambient; DIN 52612
0.370 W/m-K

@Temperature 200 °C
2.57 BTU-in/hr-ft²-°F

@Temperature 392 °F
DIN 52612
Maximum Service Temperature, Air 280 °C
536 °F
Long Term
Descriptive Properties Value Comments
Abrasion .002 mm/km
dry against ball bearing, bearing pressure 5.5 MPa, circumferential speed 4 m/min
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