Refrigerants that are used for refrigerator machines can be divided into 3 types, high pressure refrigerant, medium pressure refrigerant and low pressure refrigerant. This division is based on its vapor pressure characteristic of refrigerant.
Handling high and medium pressure refrigerants needs to be performed with careful. Because it will easily change to vapor phase immediately if [...]
SABIC Innovative Plastics’ Exatec organization has recently introduced new testing methods that can help to optimize the application of poly-siloxane nano-composite coatings which are used in combination with Lexan* polycarbonate to enhance its abili……
KraussMaffei’s PUR spraying process has been recently employed by a German automotive component supplier, Duramotive Bayern GmbH to make acoustic carpet elements-used for soundproofing in passenger compartments-for cars and trucks. The soundproofing ……
A research team at America’s UCLA Henry Samueli School of Engineering and Applied Science have designed and synthesized a new polymer for use in solar cells which leads to significantly greater sunlight absorption and conversion capabilities than pre……
Pneumatic test or hydrostatic test is the next work that should be completed after installing a new pipe line or equipment, or after an equipment overhaule or maintenance. It is devoted to ensure no leakage after reinstalling the pipe line or equipment.
As for reference, pneumatic test is done at the pressure of 1.1 times design [...]
DSM Composite Resins AG, European market leader in unsaturated polyesters (UPE) and B?FA GmbH and Co. KG, Europe’s leading suppliers of resin specialities in the composite market have expressed intent to start up a strategic cooperation by January 2009……
