friction coefficient
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What is the coefficient of friction between polytetrafluoroethylene and quartz glass?
https://wenku.baidu.com/view/2fbb67ad31b765ce0408147b.html Tables of friction coefficients for various materials
I checked the attachment; there is no polytetrafluoroethylene or quartz glass. And quartz is present in polytetrafluoroethylene; the key is to understand what use this coefficient has. Polytetrafluoroethylene also comes in various types with fillers. . . Is it used for design?
Yes, the piston made of polytetrafluoroethylene for use in design, together with the quartz glass tube, forms the cylinder
The composition of non-metallic materials is relatively complex
The main component is polytetrafluoroethylene; even if the additives differ, the coefficient of friction should not vary much. There is no information available regarding the coefficient of friction for this material
【Super... of molybdenum disulfide/polytetrafluoroethylene composites and quartz glass in aqueous environments _ Baidu Scholar】https://mr.baidu.com/au46c2i?f=cp&u=2c976378dd172746