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Classification and selection of heat shrinkable tubes key points of cable accessories

Time:2019/4/29 posted:Kehong Enterprises Co.,Ltd.

The heat shrinkable tube has the special function of heat shrinkage, according to the material, can be divided into PE heat shrinkable pipe, PVC heat shrinkable casing, PET heat shrinkage pipe, mother-row insulation with high-pressure heat shrinkable casing, can be used for different occasions, different requirements of the product cladding, insulation.

The Imitation wood grain heat shrinkage tube has the function of heat shrinkage, appearance imitation wood grain pattern, wood grain lifelike, can be used for mop rod, curtain rod, telescopic rod, bath curtain rod, hardware furniture and other iron pipe outsourcing molding, with this product than the traditional spraying, wood paste, wood grain heat transfer process processing wood grain appearance can improve production efficiency, but also reduce production costs, Reduce equipment investment, is a mop rod, curtain rod, telescopic rod production enterprises to replace the traditional processing methods of a good product, imitation wood grain hot shrinkage casing wood grain design can be processed according to user requirements.

UL Certified PE irradiated crosslinked heat shrinkable tube has the advantages of high temperature resistance, high mechanical strength, good chemical resistance and so on, widely used in cables, joints, transformers, inductor coil insulation materials, can also be used as oil, water, gas and chemical pipeline anti-corrosion coating.


Heat Shrinkable Sleeve


Flame retardant environment-friendly PE thermal shrinkage tube has excellent flame retardant, insulation properties, very soft and elastic, low shrinkage temperature, fast shrinkage, mechanical strength, temperature resistance, acid, alkali properties, aging resistance and so on greatly improved. Applicable temperature range: -55℃~125℃; starting shrinkage temperature 70 ℃, complete shrinkage temperature 120 ℃; Easy to use, with oven and hot air gun heating can shrink; comply with safety standards: UL224VW-1C-ULCSAC22.2OFTPE Thermal shrinkage tubes are widely used in terminals, leads, Insulation identification of the connector.

Environmental protection PVC heat shrinkage Hose environmental protection PVC heat shrinkage hose using environmentally friendly PVC formula specially made, environmental protection PVC heat shrinkage hose has the special function of heat shrinkage, environmental protection PVC shrinkage hose acid and alkali resistance corrosion, can be used for chain, chain, spring, wire harness, piping and pipe fittings protection. Environmental protection PVC heat shrinkage Hose color can be customized according to customer requirements.

PVC Heat shrinkable Casing has environmental protection (in line with the EU RoHs Directive), insulated double-walled heat shrinkable pipe characteristics, widely used in electrolytic capacitors, inductors and other electronic products and a variety of batteries, lighting, wiring harness, master insulation outsourcing, the product can play a moisture-proof, insulation, beautiful effect. Hot shrinkage casing easy to use, in 90 ℃ began to shrink, according to customer use, you can choose hair dryer, hot air gun, constant temperature oven, transmission type heat shrinkage machine for the coated casing products for heating shrinkage.

PET Thermal Shrinkage tube is non-toxic, and easy to recover, the human body and the environment will not have toxic effects, more in line with environmental requirements. In the use of methods, pet heat shrinkable casing and PVC heat shrinkable casing is not much different, will not increase the user's investment in equipment, is a new generation of packaging materials. Electrolytic capacitors, inductors and other electronic components, high-grade rechargeable batteries, toys and medical equipment outsourcing, can fully meet the export requirements.


Cable attachment quality factors are plural, in principle, there are the following aspects:

(1) Sealing performance. Sealed moisture-proof performance directly affects the performance and service life of the electric high temperature heat shrinkable tube of cable accessories. Whether the sealing structure of the terminal is reliable and stable. In general, the intermediate connector should also have a metal moisture-proof housing that matches it, especially if it is directly buried or used in a humid environment.

(2) Mechanical properties. The terminal should have sufficient flexural and shockproof capabilities. The intermediate joint shall be able to withstand certain tensile forces and measures to prevent external force damage. The

(3) Process performance. Process performance is an important condition for the design and selection of cable accessories, the installation process should be as simple as possible, convenient for on-site construction, short duration, quality products on the site environment requirements and the installation of the technical level of the workers are not high, installation quality is easy to control, reliable quality and so on.

(4) Suitable for the requirements of this project. Nowadays, there are many kinds of UHV cross-linked cable accessories in domestic and foreign markets, and the structure is very different. Many types of cable accessories have their own characteristics, and have coexisted and developed with each other for nearly more than 10 years. The selection of cable accessories should be determined according to the actual use requirements, do not have to blindly pursue the trend, the application is the best.

TECHNICAL DATA:

4 to 1 PTFE heat shrink tube


热缩管的分类及选择电缆附件要点

热缩管具有遇热收缩的特殊功能,按材质分;可分为PE热缩管、PVC热缩套管、PET热收缩管、母排绝缘用高压热缩套管,可用于不同场合、不同要求的产品包覆、绝缘。

仿木纹热收缩管具有遇热收缩功能,外表仿木纹纹路,木纹逼真,可用于拖把杆、窗帘杆、伸缩杆,浴帘杆,五金家俱等铁管的外包塑,用此产品比传统的喷涂、木纹贴纸、木纹热转印工艺加工木纹外表能提高生产效率,又降低生产成本,减少设备投资,是拖把杆、窗帘杆、伸缩杆生产企业替代传统加工方法的好产品,仿木纹热缩套管木纹式样可按用户要求加工。

UL认证pe辐照交联热缩管具有耐高温、机械强度大、耐化学性好等优点,广泛应用于电缆、接头、变电器、电感线圈的绝缘材料,也可用作油、水、煤气和化工管道的防腐包覆。


热缩管


阻燃环保型PE热收缩管具有优良的阻燃、绝缘性能,非常柔软有弹性,收缩温度低,收缩快,机械强度、耐温、耐酸、碱性能、耐老化等方面大大提高。适用温度范围:-55℃~125℃;起始收缩温度70℃,完全收缩温度120℃;使用方便,用烘箱和热风枪加热即可收缩;符合安规标准:UL224VW-1C-ULCSAC22.2OFTPE热收缩管广泛用于端子、引线、接头的绝缘标识。

环保PVC热缩软管环保PVC热缩软管采用环保PVC配方特制而成,环保PVC热缩软管具有遇热收缩的特殊功能,环保PVC缩软管耐酸耐碱耐腐蚀,可用于链条、铁链、弹簧、线束、管路和管件的防护。环保PVC热缩软管颜色可按客户要求定做。

pvc热缩套管具有环保(符合欧盟RoHs指令)、绝缘双壁热缩管的特点,广泛应用于电解电容器、电感等电子产品和各种电池、灯饰、线束、母排的绝缘外包覆,对产品能起到防潮、绝缘、美观的效果。热缩套管使用方便,在90℃就开始收缩,根据客户的使用情况,可选用电吹风、热风枪、恒温烘箱、传动式热收缩机对已包覆套管的产品进行加热收缩。

PET热收缩管具有无毒性,且易于回收,对人体和环境不会产生毒害影响,更符合环保要求。在使用方法上,pet热缩套管和pvc热缩套管无多大区别,不会增加用户在设备方面的投资,是新一代的包装材料。是电解电容器、电感等电子元器件、高档充电电池,玩具及医疗器械的外包覆,完全能满足出口要求。


电缆附件品质的因素是多元的,原则上有以下几个方面:

(1)密封性能。密封防潮性能直接影响电缆附件的电高温热缩管气性能和使用寿命。终端的密封结构是否可靠、稳定。一般来说,中间接头也应有一个与之相匹配的金属防潮外壳,特别是直埋或使用在潮湿环境中。

(2)机械性能。终端应该有足够的抗弯、防震的能力。中间接头应能承受一定的拉力和防止外力损伤的措施。

(3)工艺性能。工艺性能是电缆附件设计和选型的一个重要的条件,安装工艺应尽量简单,便于现场施工,工期要短;品质优良的产品对现场环境要求和对安装工人技术水平依赖不高;安装质量容易控制,质量可靠等。

(4)适合本工程的要求。当今国内、外市场上超高压交联电缆附件品种繁多,结构多不相同。众多类型的电缆附件各有特点,近十多年来相互并存和发展。电缆附件的选型应该根据实际使用要求决定,不必盲目追求新潮,适用才是最好。

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