Nanjing Beyou Extrusion Machinery Co.,Ltd.
Nanjing Beyou Extrusion Machinery Co.,Ltd.
Environmental protection, recycled plastic pros and cons of

Environmental protection, recycled plastic pros and cons of

Time: 2019-12-20 Browse times:
目前为止,追朔燃气电磁阀的发展史。国内外的燃气电磁阀从原理上分为三大类(即:直动式、分步童先导式)而从阀瓣结构和材料上的不同与原理上的差别
Nowadays, the recycling of resources is widely advocated by all walks of life, and the garbage classification activities are successively opened in various places. The recycling and reuse of waste plastics has received wide attention from the society again, and the recycled plastics continue to become a hot spot in the industry. How to start a new team? What kind of recycled plastic is good material? Let's get to know!
 
Classification of recycled plastics



According to different raw materials and granulation characteristics of recycled plastic, recycled plastic particles can be divided into three grades:
 
First grade material: Generally, leftover materials that have not fallen to the ground after the first processing are used. Some nozzle materials and rubber head materials can also be classified as this type. Recycled plastic particles made of these materials have good transparency, high quality, and little difference from new materials.
 
Secondary material: Plastic that can be recycled and granulated after one use. It is worth noting that except for high-pressure granulation, most of the imported large parts are used in high-pressure granulation. If the imported large parts are industrial membranes, they are not exposed to the wind and sun, so their quality is also very good, and the transparency of the processed particles is good. At this time, it should also be judged according to the brightness of the particles and the roughness of the surface.
 

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