Heat shrinkable fill the mouth with a steel pipe weld corrosion coating designed with separate sets of fixed pieces, shrinking mending tape is made of radiation crosslinked polyolefin substrates and special hot melt adhesive sealing compound formed at high temperatures . Heat shrinkable fill the mouth with this new shrink mending materials with high mechanical strength, stable performance, anti-aging, corrosion-resistant chemical seal adhesive power, easy operation and so is mainly used for the whole body wrapped package Pipe Cover embalmed and weld corrosion, heat shrinkable mending tape can also be used for pipe coating damage repair. The product in the construction, the pipe is first preheated to 45 ° C or more, by machine or by hand on the treated wound pipe, ensure lap width of not less than 50mm, to uniformly heat shrinking band surface, while the heat in a uniform heat shrinkage melt melting, filling and coating on the pipe, the pipe to form a solid continuous outer coating provides long-term, effective protection for steel pipes. Executive Standard: SY / T0413-2002 and SY / T4054-2003 implementation of the standards: SY / T4054-2003 and GB / T23257-2009 Model Specifications: HHWSΦ159 × 500 HHWSΦ219 × 500 HHWSΦ273 × 500 HHWSΦ325 × 500 HHWSΦ426 × 500 HHWSΦ508 × 500 HHWSΦ529 × 500 HHWSΦ610 × 500 HHWSΦ711 × 500 and above. . . . . . Maximum specification model: HHWSΦ1420 × 500 common width (mm): 400 450 500 550 600 650 700, a large quantity can call to order. Thickness (mm): 2.0 2.2 2.3 2.5 and above GB / T23257-2009 standard heat shrinkable fill the mouth with a thickness (mm): For diameter base layer ≤400 ≥1.2 ≥1.0> 400 ≥1.5 Executive Standard: SY / T4054-2003 and GB / T23257-2009