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.
Universal Dimmers are designed to control incandescent, halogen, dimmable LED and dimmable CFL bulbs. They offer full-range dimming, smooth start-up, and eliminate flickering and fluttering of lights. When using LED or CFL bulbs with a dimmer, be sure that the packaging on the bulb indicates that it is DIMMABLE.Most dimmer and bulb manufacturers provide bulb compatibility information on their websites that can be referenced to ensure that the brand/type of dimmer chosen will function properly with the bulb selected.Incandescent/Halogen. Incandescent/Halogen Dimmers are designed to control incandescent and halogen bulbs.They are not designed to control LED and CFL bulbs nor dimmable LED and CFL bulbs and using them to do so may result in inconsistent or limited performance.ncandescent/Halogen Dimmers are designed to control incandescent and halogen bulbs. They are not designed to control LED and CFL bulbs nor dimmable LED and CFL bulbs and using them to do so may result in inconsistent or limited performance.