Buna-N is a commonly used elastomer. Buna-N is also known as Nitrile rubber, NBR or Perbunan.It is synthetic rubber copolymer of acrylonitrile(ACN) and butadiene.Elastomer is natural or synthetic material which does not break when stretched and when released it return to its original length.NBR,an improved version of Buna-N,is used for hoses,rubber belts,sealing parts,special purpose article in oil well,reciprocating oil seal,rubber seal,gaskets,roll covers,shoe soles,varieties molded part for shoe heels and O-rings. XNBR is specially used for modification of the adhesives and epoxy resin.
Response No. 1: An SCR, or Silicon Controlled Rectifier, is a semiconductor, or integrated circuit (IC), that allows the control of current using a small current. Basically, it is a simple direct current (DC) light switch.
User Ratings: Dimmer is a free screen dimming software to control screen brightness of your monitor. This screen dimming software basically allows you to reduce screen brightness of your monitor, which further helps you in protecting you eyes from getting weakened. This freeware sits in the system tray of your computer and further lets you control the screen brightness from there itself. Sponsored Links. This screen dimming software proves to be a utility software for laptop screen, as most of the netbooks and laptops donât have brightness control feature or option. So with the help of this free screen dimming software, you can easily reduce the laptop screen brightness to a level which suits your eyes. If you love to work during night in a minimum ambient lighting, then you should necessarily have this freeware on your computer.