聚乙烯管的材料分为PE80、PE100两个等级。PE燃气管执行标准:GB 15558.1-2003。燃气用PE管材是传统的钢铁管材、聚氯乙烯燃气的换代产品。燃气管必须承受一定的压力，通常要选用分子量大、机械性能较好的PE树脂，如HDPE树脂。LDPE树脂的拉伸强度低，耐压差，刚性差，成型加工时尺寸稳定性差，并且连接困难，不适宜作为给水压力管的材料。但由于其卫生指标较高，LDPE特别是LLDPE树脂已成为燃气管的常用材料。LDPE、LLDPE 树脂的熔融粘度小，流动性好，易加工，因而对其熔体指数的选择范围也较宽，通常MI在0.3-3g/10min之间。

PE燃气管的性能优势
　　一种好的管道，不仅应具有良好的经济性，而且应具备接口稳定可靠、材料抗冲击、抗开裂、耐老化、耐腐蚀等一系列优点，同传统管材相比，HDPE管道系统具有以下一系列优点:

⑴连接可靠:聚乙烯管道系统之间采用电热熔方式连接，接头的强度高于管道本体强度。

⑵低温抗冲击性好:聚乙烯的低温脆化温度极低，可在-60-60℃温度范围内安全使用。冬季施工时，因材料抗冲击性好，不会发生管子脆裂。

⑶抗应力开裂性好:HDPE具有低的缺口敏感性、高的剪切强度和优异的抗刮痕能力，耐环境应力开裂性能也非常突出。

⑷耐化学腐蚀性好:HDPE管道可耐多种化学介质的腐蚀，土壤中存在的化学物质不会对管道造成任何降解作用。聚乙烯是电的绝缘体，因此不会发生腐烂、生锈或电化学腐蚀现象;此外它也不会促进藻类、细菌或真菌生长。

⑸耐老化，使用寿命长:含有2-2.5%的均匀分布的碳黑的聚乙烯管道能够在室外露天存放或使用50年，不会因遭受紫外线辐射而损害。

⑹耐磨性好:HDPE管道与钢管的耐磨性对比试验表明，HDPE管道的耐磨性为钢管的4倍。在泥浆输送领域，同钢管相比，HDPE管道具有更好的耐磨性，这意味着HDPE管道具有更长的使用寿命和更好的经济性。

⑺可挠性好: HDPE管道的柔性使得它容易弯曲，工程上可通过改变管道走向的方式绕过障碍物，在许多场合，管道的柔性能够减少管件用量并降低安装费用。

⑻水流阻力小:HDPE管道具有光滑的内表面，其曼宁系数为0.009。光滑的表现和非粘附特性保证HDPE管道具有较传统管材更高的输送能力，同时也降低了管路的压力损失和输水能耗。

⑼搬运方便:HDPE管道比混凝土管道、镀锌管和钢管更轻，它容易搬运和安装，更低的人力和设备需求，意味着工程的安装费用的大大降低。

燃气用PE100聚乙烯(PE)管材型号

 产品特点:

■ 良好的卫生性能:PE管加工时不添加重金属盐稳定剂，材质无毒性，无结垢层，不滋生细菌，很好地解决了城市饮用水的二次污染。

■ 卓越的耐腐蚀性能:除少数强氧化剂外，可耐多种化学介质的侵蚀;无电化学腐蚀。

■ 长久的使用寿命:在额定温度、压力状况下，PE管道可安全使用50年以上。

■ 较好的耐冲击性:PE管韧性好，耐冲击强度高，重物直接压过管道，不会导致管道破裂。

■ 可靠的连接性能:PE管热熔或电熔接口的强度高于管材本体，接缝不会由于土壤移动或活载荷的作用断开。

■ 良好的施工性能:管道质轻，焊接工艺简单，施工方便，工程综合造价低。

Shandong Xinde plastic Co., Ltd is a professional manufacturer of PE water supply pipes, PE gas pipes and PE flame retardant, antistatic mining pipes, PE ground source heat pump pipes, PE siphon drainage pipes, and matching PE water supply pipes, PE gas pipe fittings, PE flame retardant, Anti-static mine double resistant pipe fittings PE ground source heat pump pipe fittings PE spray plastic anticorrosive steel flange piece PE ball valve PERT pipe fittings PE siphon drainage pipe fittings and other series of high and new technology enterprises.

Company is located in Zibo Linzi District Wutai Industrial Park, close to the state-level enterprises-Qilu Petrochemical Company. It is 240 kilometers away from Qingdao Port, 110 kilometers from Jinan remote Wall International Airport and only 5 kilometers from the export of Ji-Qing Expressway. The transportation is convenient and convenient for the transportation of PE pipe, pipe fittings and raw materials.

The company covers an area of 160mu, the construction area is more than 55000 square meters, has fixed assets more than 60 million yuan, the existing staff 186 people, among them has the senior technical title personnel 21, the external technical personnel several, at the same time participates in each big university actively, The research institute carries on the technical cooperation, has the strong scientific research public relations ability. In addition, the company's technical personnel can be based on customer-proposed technical indicators, to undertake new product research and development. The company has complete production equipment, international advanced computer control 20-1200 all kinds of PE pipe production line 28, with special injection molding machine and various auxiliary equipment more than 80 sets, PE pipe fittings anti-static spraying and other patent technology, The company produces more than 10800 tons of PE water pipe, PE gas pipe, PE mineral pipe and so on, and 2000 tons of PE pipe fittings, PE gas pipe fittings, PE pipe fittings and so on.

Shandong Xinde plastic Co., Ltd. is one of the domestic production bases of PE pipe fittings on a large scale, and is a small number of large production and processing enterprises in China that can produce various types of PE water supply, PE gas and PE mining pipe fittings. Our company is able to produce 500mm-1600mm series large caliber PE pipe fittings, the PE pipe fittings sales network throughout the country, and successfully open the international market, exported to Chile, Argentina, Czech Republic, Russia, UAE, Turkmenistan, Iran, Sudan and more than 30 countries and regions, well received by foreign investors.

The company has complete testing equipment, all kinds of products regularly carry out pressure blasting test, longitudinal shrinkage rate, stress cracking resistance test, tensile test and melting index test, the quality of all links from raw materials to finished products are in line with the national standard. The PE pipe fittings produced by the company have been tested by the National testing Center of Chemical Building Materials, and all the performance indexes meet the requirements of GBT15558.2-2005 and GBT13663-2000 standards, and they have passed the certification of ISO9001-2000 quality Management system ISO9001-14000 in the industry. A series of certification, such as National Mine Product Safety marking Center (Mine Product Safety marking Office) and German TUV certification, have been issued by the State Bureau of Technical Supervision for the production of pressure pipeline components. The PE pipe fittings of our company have all passed the inspection of Shandong Province Product quality Supervision and Inspection Center, and have obtained the "Sanitary license of related Water products" issued by Shandong Health Department. Warmly welcome our customers to visit our company, inspection, guidance work!