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.
The Armacost Lighting 2-in-1 LED Dimmer provides smooth, full-range dimming for white LED lighting. The unique, convertible design lets you install dimmer directly into a standard switch box or surface mount anywhere for easy, precise control of your LED lighting. For use only with 12-Volt DC Low Voltage LED lighting.he Armacost Lighting 2-in-1 LED Dimmer provides smooth, full-range dimming for white LED lighting. The unique, convertible design lets you install dimmer directly into a standard switch box or surface mount anywhere for easy, precise control of your LED lighting. For use only with 12-Volt DC Low Voltage LED lighting.