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PTFE pluger ring pluger ring, directional ring, supporting ring             Selecting various ingredients and manufacturing technology according to various mechanical designing parameters process this product. That is separately filling tin and bronze miller, glass fiber, silica, molybdenum disulfide, graphite, polybenzoate and high strong carbon fibre etc.fillers to improve mechanical strength., lubricate property, thermal conductivity, abrasion resistance.     It is suitable for all kinds of machine models produced by over ten main engine factories such as, Jiangxi Oxygenerator Factory, Wuxian County Oxygenerator Factory, Nanjing Compressor Factory, Bangbu Compressor Factory, Kaifeng Space Division Equipments Factory, Hangzhou Oxygenerator Factory, Harbin Oxygenerator Factory etc. —— main technical index —— Main purposes: adapt to the sealing of oxygenerator, compressor and other machines   Item product unit index 2.2-2.6 ＞13 ＞170 ≥60 7.23×10-5 0.45 0.14-0.22   air compression machine 2.5-2.7 18 200氧压机 4.5 61 5.5×10-5 0.55 0.21 oxygen compression machine 2.2-2.4 15 180 3.5 63 6.5×10-5 0.46 0.20 density g/cm3 pulling strength MPa crack elonge % scrab width mm hardness of surface machine(Shao D) N° thread expanding coefficient 1/℃ heat conduction coefficient kilo carlori/m.h. ℃ rub coefficient   Picture>>>

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