ASTM D7044生物可降解耐燃液压液规格
日期:2012-02-08 11:08
t containing any emulsions; HFB, which are water-in-oil emulsions; HFC, which are aqueous monomer and polymer polyglycol solutions; HFD, which are phosphate ester or polyolester-based, water-insoluble fire-resistant fluids; HFDR, which are phosphate ester-based fluids; HFDU, which arewater-free fluids based on chemical compounds other than phosphate esters and chlorinated hydrocarbons; and HEPG, which are anhydrous environmentally friendly polyalkylene glycol-derived hydraulic fluids that may be
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