... ,insulating plate and binder with common specific. Second one is modified phenolic resin by cashew shell oil.There are obvious improve ... in the toughness of modified resin.It is friction performance rather good,the carbide make ... :35-45 swater:≤2.5%free phenol:≤5.6% 2. modified phenolic resin by cashew shell oilappearance: color:rosin or dark ...
1). Structure: all glass concentric dual tube geometer 2. Glass material: borosilicate glass 3). Absorptance: >0.92 Feature:Shentai Vacuum tubes assimilate the advanced 12 layers ofspattering deposition Of trivalent element technology, highborosilicate glass, gradual change of ALN/AIN-SS/CU selectivecomplex absorptive coating. And these make vacuum tubes havehigh performance of absorptance and ...
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