At present, the plastic pipe industry is mainly composed of polyvinyl chloride (PVC-U) pipes, polyethylene (PE) pipes, and polypropylene (PP-R) pipes. Polyethylene (PE) pipe is widely used in building water supply, building drainage, buried drainage pipes, building heating, gas pipes, electrical and telecommunications protective casing, industrial pipes, agricultural pipes, etc. due to its unique advantages. Mainly used for urban water supply, urban gas supply and farmland irrigation.
High density polyethylene (HDPE) is a non-toxic, odorless, and odorless white particle with a melting point of about 130 ° C and a relative density of 0.941-0.960. It has good heat resistance and cold resistance, good chemical stability, high rigidity and toughness, and good mechanical strength. Dielectric properties and resistance to environmental stress cracking are also good.
Packaging, storage and transportation
The warehouse should be kept away from fire sources and heat insulation layers. The warehouse should be kept dry and tidy, free from impurities, and free from sunlight and rain. Transportation should be stored in clean, dry, ceiling-mounted carriages without any sharp objects such as nails. Do not mix with flammable aromatics, halogenated hydrocarbons and other organic solvents.
recycle and re-use
HDPE is the fastest growing segment of the plastic recycling market. This is mainly because it is easy to reprocess, has minimal degradation characteristics, and is widely used in packaging. The main recycling process is to recycle 25% of recycled materials, such as post-consumer recycled products (PCR), and then process pure HDPE to make non-food contact bottles. PE pipe for water supply is an alternative to traditional steel pipes and PVC drinking water pipes.