cnsl that is rich in cardanol. distillation of this material gives distilled, technical cnsl containing % cardanol and % cardol (cardol has one more hydroxyl group than cardanol). this process also reduces the degree of thermal polymerization of the un-saturated alkyl-phenols present in cashew shell nut...
login/register products technical metal / products /stud bolts stud bolts stud bolts are are fully threaded headless bolts used on pipeline flanges for joining the pipelines. the main advantage of stud bolts over the hex bolts is that, it can be tightened from both the ends by holding one end with nut...