1.Ring stiff SN(KN/m2):8,12.5,16
2.light weitht
3.simple intallation,good sealing and low cost of construction

Buired steel band reinforced polyethylene (PE) spiral corrugated pipe for sewage is spirally twined, extruded and compounded into a unity in the production lines, taking polyethylene as the outer basic material and corrugate steel band which is coated with high-performance adhesive resin and bended into the shape as the main structural support

 

Physical-mechanical characteristic

Items		Index	Testing Method
Ring stiffness, KN/	SN8	≥8	GB/T9647-2003
	SN12.5	≥12.5
	SN16	≥16
Impact resistance		TIR≤10%	GB/T14152
Peel strength,(20°C±5°C),N/cm		≥70	Refer to appendix A of CJ/T225-2006
Ring flexibility		No fracture and delamination	GB/T9647
Oven test		No and drying crack	Refer to 8.4.5 of CJ/T225-2006
Tensile strength(N) of joint.N		≥1460	GB/T8804
Creep rate %		≤2	GB/T8042

Comments

Carried standad:CJ/T225-2006 for Buried Steel Band Reinforced Polyethylene(PE)Spiral Corrugated Pipe for Sewage issued by Urban Construction Ministry of P.R.CRing stiffness grade:SN8,SN12.5,SN16Fixed pipe length:6 or 9meters,other lengths negotiable by supplier and buyer