Double Wall Corrugated Pipe

Diameter : 110mm-630mm
Pressure : SN4,SN8
Material : 100 % HDPE raw material

Product Description
HDPE double-wall corrugated pipe is referred to as PE corrugated pipe for short. It is a new type of pipe with a ring structure outer wall and smooth inner wall. After more than ten years of development and improvement, it has developed from a single variety to a complete product series. At present, it is very mature in production technology and use technology.

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Specification

Product name	Ring Stiffness	Inner Diameter
HDPE double wall corrugated pipe	SN4 (4KN/m2)	110
		160
		200
		225
		300
		400
		500
		600
		700
		800
	SN8 (8KN/m2)	110
		160
		200
		225
		300
		400
		500
		600
		700
		800

Material Physical and Chemical Property

Item	Property	Unit	Technical Requirement
Physical Property	Density	g/cm³	0.941-0.965
	Refraction coefficient	nd	1.54
	Water absorption	%	＜0.01
Mechanical Property	Tensile strength	MPa	20-35
	Breaking Elongation	%	≥350
	Compression Strength	MPa	18~25
	Flexural strength	MPa	25~40
	Elastic modulus	MPa	≥800
Thermal Property	Heat expansion coefficient	10^-5/℃	11-16
	Melting temperature	℃	131
	Softening temperature	℃	126
	Brittle temperature	℃	-70
	Successive temperature	℃	≤60