I don't think that would be the case for Ping as their manufacturing standards for their shaft partners are tight (as is their overall QC), I did have instances where stock graphites were disappointing versus what I hit at the fitting. For me it was Steelfibers that allowed me to ultima...
Frictional characteristics of impregnated graphite with different graphitization degree versus chromium stainless steel under varying PV valuesdoi:10.1016/j.triboint.2019.106063Jie JinXudong PengJinbo JiangXiangkai MengWenjing ZhaoElsevier
Corrosion resistance of phosphate coatings obtained by cathodic electrochemical treatment: Role of anode-graphite versus steel. Progress in Organic Coatings, 55: 355-362.T.S.N. Sankara Narayanan, S. Jegannathan, K. Ravichandran. Corrosion Resistance of Phosphate Coatings Obtained by Cathodic ...
Frictional characteristics of impregnated graphite with different graphitization degree versus chromium stainless steel under varying PV values - ScienceDirectMechanical sealPV valuePhenolic resin impregnated graphiteGraphitization degreeAn experimental study was performed by employing a seal pair of phenolic resin...