PVC what's the best blade for plastic crushers?
65Mn the most common, cheap, very sharp, the drawback is not wear-resistant. Grinds the blade original, feels that gives the minute Oh!
9CrSi material is moderate in price, but it has a certain brittleness. It has to be used with little attention;
A better quality 6CrW2Si should be suitable for crushing and crushing most of the hard plastics, but the price is more expensive;
