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                                    Anti Acid Anti Alkali HDPE PP UPE Plastic Plain Bearings
                                    • Anti Acid Anti Alkali HDPE PP UPE Plastic Plain BearingsAnti Acid Anti Alkali HDPE PP UPE Plastic Plain Bearings
                                    • Anti Acid Anti Alkali HDPE PP UPE Plastic Plain BearingsAnti Acid Anti Alkali HDPE PP UPE Plastic Plain Bearings
                                    • Anti Acid Anti Alkali HDPE PP UPE Plastic Plain BearingsAnti Acid Anti Alkali HDPE PP UPE Plastic Plain Bearings

                                    Anti Acid Anti Alkali HDPE PP UPE Plastic Plain Bearings

                                    Find a huge selection of Anti Acid Anti Alkali HDPE PP UPE Plastic Plain Bearings from China at Top Bearings.

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                                    Product Description

                                    Find a huge selection of Anti Acid Anti Alkali HDPE PP UPE Plastic Plain Bearings from China at Top Bearings.

                                    HDPE,PP,UPE(UHMWPE) are approved can be used in faintish acid and alkali environment (30% CuCl2 solution and 30% NAOH solution is tested ok). Such bearings can be operated in liquid and contamination sensitive environments as acid/alkali/salt/solvent/oil/gas/seawater, and have general performance of lubrication and maintenance free, none magnetism, anti-rust and eroded of plastic bearings. But these bearings have not strong mechanical strength, and easy to be out of shape, so couldn't be used in heavy load and high-speed application. Among these 3 material, UPE have more excellent strength and low friction and could be used to lower temperature (lowest to -150℃). Generally the rings and cage were made with HDP PP or UPE, balls were made with glass stainless or ceramic.
                                     
                                    The material of rings and cage: HDP, PP, UPE material.
                                    The material of Balls: Glass Stainless, Ceramic material.

                                    Material:

                                    HDPE / PP / UPE Plastic Material

                                    Basic Properties:

                                    Anti-Acid And Anti-Alkali

                                    Faintish Acid & Alkali Environment:

                                    30% CuCl2 Solution And 30% NAOH Solution

                                    Lower Temperature:

                                    UPE Could Be Used To Lower Temperature (lowest To -150℃)

                                    The Material Of The Rings & Cage:

                                    HDP PP Or UPE

                                    The Material Of Balls:

                                    Glass Stainless Or Ceramic

                                    High Light:

                                    peek ball bearings, pillow block bearings


                                    Basic properties of staple engineer plastic

                                    Material HDPE PP POM PA66 PVDF PPS PTFE PEEK
                                    Long-time working temp. 90 100 110 100 150 230 260 280
                                    Density g/cm3 0.91 1.42 1.14 1.77 1.35 2.18 1.32
                                    Ball indentation hardness 50 80 170 170 80 190 30
                                    Tensile stress 25 30 70 80 50 75 25 95
                                    Sliding friction coefficient 0.29 0.3 0.34 0.35-0.42 0.3 0.08-0.1 0.3-0.38
                                    Melted temperature 130 165 175 260 172 280 327 343
                                    Short-time highest application temperature 90 140 150 170 150 260 260 300
                                    Coet of Inear expansion (10^-5/K) 13-15 17 10 8 13 5 12 5
                                    Dielectric constant at 1 Mhz(10^6HZ) 2.4 2.25 3.7 3.6-5 8 2.1 3.2-3.3
                                    Volume resisrivity (Ω·cm) >10^15 >10^24 >10^14 10^13 10^12 >10^13 10^14 10^13
                                    flammability UL94 + + - (+) (+) - + +
                                    Anti-weathering - - - - - - + -
                                    Note: + =resistant; (+) =partly resistant; - =non-resistant

                                     

                                    Chemical properties of Engineer plastic


                                    Chemical Composition Material
                                    PI PEEK PTFE PVDF PA66 POM PP HDPE ABS
                                    Acrtate + + + (+) (+) + + (+) +
                                    Formic acid (10% water) + + + + - - + + +
                                    Ammonia (10% water) - + + + + (+) + + +
                                    Aether + + + + + + +
                                    Petrol + + + + + + (+) (+) (+)
                                    Bori acid (10% water) + + (+) + + + + +
                                    Aminoform + + + - - (+) - -
                                    Aeti aid 100% (+) - + - - + + -
                                    Aceti aid (10% water) + + + - (+) + + +
                                    HF + - - + + (+)
                                    Formaldehyde aqu (30% water) + + + + - + + +
                                    Glycerin + + + + + + +
                                    Iodine, Glycol + + (+) - (+) + + (+)
                                    K2Cr2O7 (10% water) + + + - + + +
                                    KMnO4 (1% water) + + + + - (+) + + (+)
                                    2-Hydronyprpionic 10% + + + - - + + -
                                    2-Hydronyprpionic 90% + + + + + (+) + + +
                                    Nad (10% water) + + + + + + + + +
                                    NaNO3 (10% water) + + + + + + + +
                                    NaOH (50% water) + + + + - + + +
                                    NaOH (5% water) + + + - + +
                                    Oxalic (10% water) + + + + (+) (+) + + +
                                    Tetracarp + + + (+) + - - (+)
                                    H3PO3 100% + + - + +
                                    H3PO4 (10% water) + + + - - + +
                                    NHO3 (2% water) + + + + - - + + +
                                    HCL (2% water) + + + (+) - - + + +
                                    H2SO4 98% - + - - + (+) -
                                    Soap liquid + + + + + +
                                    Alkaliliquid (10% water) + + + + + + +
                                    Toluene + + + + + + + (+) -
                                    Water, cold + + + + + + + + +
                                    Water, hot + + + (+) - + + +
                                    H2O2 (30% water) (+) + + - - + + +
                                    H2O2 (0.5% water) + + + - (+) + + +
                                    Asphalt + + (+) + (+) (+)
                                    Note: + =resistant; (+) =partly resistant; - =non-resistant  

                                     
                                    HDPE / PP / UPE Plastic Plain Bearings Anti Acid And Anti Alkali 0
                                      



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