... thickness of 6 mm, lateral 10 mm) welded together, the inner surface is very smooth and hard, with wear and corrosion ... . Wear and corrosion resistance, life > 15000 hours. (4), cold mixing machine mixing propeller made of stainless steel, polished, wear, corrosion resistance ... , long service life. 3 groups impeller. (5), cold mixing machine spindle through cooling water, cooling effect.