What are the matters needing attention for prestressed plastic corrugated pipe equipment?
What are the matters needing attention for prestressed plastic corrugated pipe equipment? The prestressed plastic corrugated pipe equipment is made of HDPE, which is a new type of hole forming material. Mainly used for post-tensioned pre-stressed cement structure, the tie rod has good hole tightness, no water leakage, high ring stiffness, small friction parameters, anti-aging, anti-electric corro