WebApr 12, 2024 · COMPANT PROFILE 公司简介 于2024年，在台湾及大陆厦门同时成立了台湾弗来德有限公司及大陆厦门弗来德工贸有限公司二家 公司，分别在于橡胶系列~促进剂，防老剂，隔离剂，离型剂等 EVA系列~BIBP,DOP,DCP,色母粒，发泡剂，耐磨剂，水性脱模剂，洗模剂等 Polyurethane(PU)系列~墨膏，油墨，催化剂，抗黄剂 ... WebEpoxy propane was taken polymerization to form polyether,and the polyether was reacted with acetic anhydride to synthesize polyetherester refrigerator lubricant. The …
NIST Technical Series Publications
WebAn ester blend, including an ester having neopentylglycol and a source of 2-ethylhexanoic acid as its reactive components and an ester having pentaerythritol and a source of 2 … WebAug 1, 2024 · For the prevention of global warming, various low GWP refrigerants (R1234yf, R1234ze, R448A, R449A, R452A, R452B, R454B etc.) are proposed as the alternative of … dahlia twyning\u0027s after eight
Refrigeration compressors oil Mobil™
WebThe invention discloses a refrigeration machine oil, a composition for refrigeration machines, and a compression-type refrigeration machine. This refrigeration machine oil, which includes an oxygen group-containing oil and a viscosity index improver, has a viscosity index (VI) of at least 200, and a volume resistivity of at least 1x109 [Omega] m. WebA refrigeration fluid compositions for compression refrigeration which have an upper solution critical temperature equal to or greater than 60° C. are composed of (A) selected hydrochlorofluorocarbons and hydrofluorocarbons and (B) polyether polyols having viscosities of greater than 80 centistokes at 38° C. and having a number average … WebMay 1, 2016 · 1. Introduction. In recent years, increasing demand for reliable and efficient operation of air-conditioning and refrigeration compressors has driven intensive research … biodot lyobead