The two-layer co-extruded tubes can save material costs (use example: pearl+PE/PE color master batch) According to different materials, two kinds of temperatures can be individually controlled. With convenient operation, the best material fluidity and dis-solubility can be achieved. The co-extruded tubes made by the two-layer machine is more glossy than the single-layer tubes.
Screw diameter(Inner layer)
Screw diameter(Outer layer)
Screw length-diameter ratio (Inner layer)
Screw length-diameter ratio(Outer layer)
Extrusion linear speed
Nantong Tongji Co.,Ltd is located in Nantong,Jiangsu Province,1.5 hours' drive away from Shanghai.
Established in 1997,Nantong Tongji Co. Ltd is the lagest supplier in China and Asian area,specializing in designing and
manufacturing the whole set of toilet soap and laundry soap machinery,from soap processing soap making,finishing,packaging and end of line,with a wide range of capacity from 50kg/h small laboratory line to 8000kg/h high-speed line.The share in Chinese domestic market reaches up to 80% and for several types of machines,we are the only manufacturer who can provide them in China,as well as in Asia.
We manufacture all kinds of packaging machinery and can meet different customer requirements,such as circular packaging,flow wrapping ,cartoner,soap wrapping machine,shrink wrapping machine,overwrapping machine and case packer,widely used in daily chemical,food,pharmaceutics,chemical industries.