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Business Type: Manufacturer
Main Products:PTFECM1UHMWPE sheetPTFE valve seals
ID:22112290770
Category: Print,Pack,Plastic Rubber & Plastics Products
MOQ:50.00 KG
Bridge Bearinguhmwpe
T/T
The M-PE sheet is a new type of sliding material. It is mainly used in bridge bearings for high-speed railways and highways. The product has the advantages of high compressive strength, low coefficient of friction, high wear resistance and can effectively reduce the cost of bridge construction.
Performance requirements of M-PE in the presence of silicone grease
ITEMS | M-PE | |||
DENSITYρ(g/cm3) | 0.93﹤ρ≦0.98 | |||
TENSILE STRENGTH(MPa) | ≥30 | |||
ELONGATION(%) | ≥250 | |||
BALL INDENTATION HARDNESS(H132/60) | 26.4≦H≦39.6 | |||
MODULUS OF ELASTICITY | 680≦Et≦1020 | |||
SLIDING FRICTION COEFFICIENT WITH STAINLESS STEEL SHEET UNDER 5201-2 SILICONE GREASE LUBRICATION CONDITION | INITIAL STATIC FRICTION COEFFICIENT（μ） | RELATIVE SLIDING SPEED (mm/s) | 0.4 | |
TEMPERATURE（℃） | 21±2 | ≦0.012 | ||
0±2 | ≦0.018 | |||
﹣35±2 | ≦0.035 | |||
COEFFICIENT OF DYNAMIC FRICTION（μ） | RELATIVE SLIDING SPEED (mm/s) | 15 | ||
TEMPERATURE（℃） | 21±2 | ≦0.005 | ||
0±2 | ≦0.012 | |||
﹣35±2 | ≦0.025 | |||
LINE WEAR RATE WHEN RUBBING AGAINST STAINLESS STEEL SHEET UNDER 5201-2 SILICONE GREASE LUBRICATION | COMPRESSIVE STRESS（MPa） | 45 | ||
TEMPERATURE（℃） | 21±2 | |||
RELATIVE SLIDING SPEED（mm/s) | 15 | |||
RECIPROCAL SLIDING DISTANCE（mm) | ±10 | |||
CUMULATIVE SLIDING DISTANCE（km） | 50 | |||
LINE ABRASION(μm/km) | ≦5 | |||
LOAD COMPRESSION DEFORMATION | AVERAGE COMPRESSIVE STRESS(MPa) | 150 | ||
TEMPERATURE（℃） | 35±2 | |||
HOLDING TIME(h) | 48 | |||
COMPRESSION DEFORMATION(mm) | ≦0.0005h | |||
THE h REPRESENTS THE INITIAL EXPOST HIGHT | ||||
FOR THICKNESS OF BOARD GREATER THAN TWO MILIMETERS, TENSILE STRENGTH AND ELONGATION OF SPECIMEN MADE BY TURNING OF PREPARING METHOD SHOULD NOT BE LESS THAN 90% OF THE SPECIFIED VALUE IN THE TABLE | ||||
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