警示带（Warning Tape）就是具有警示作用的带子。以PVC薄膜为基材，具有良好的绝缘、耐燃、耐寒、耐电压、耐酸碱、耐溶剂等特性。用于地面警告区域标示，颜色有红、黄、蓝、绿、白、黑、黄与黑、绿与白、红与白供参考，适应不同的需求。

Warning tape is a tape with warning function. Based on PVC film, it has good insulation, fire resistance, cold resistance, voltage resistance, acid and alkali resistance, solvent resistance and other characteristics. It is used for marking the ground warning area. The colors are red, yellow, blue, green, white, black, yellow and black, green and white, red and white for reference, and can meet different needs.

警示带又称标记带，材质为PE材质，广泛应用于各种燃气管道、输油管道、城市给排水、气液管道输送系统、电力电缆、通讯光缆等关于国计民生的运输体系及信息传输系统的警示保护。

Warning tapes, also known as marker tapes, are made of PE and are widely used for warning protection of various gas pipelines, oil pipelines, urban water supply and drainage, gas-liquid pipeline transmission systems, power cables, communication optical cables and other transportation systems and information transmission systems related to the national economy and the people's livelihood.

警示带也还可以分为一次性警示带和重复使用警示带，以涤纶布为原材料的警示带，有效克服了一次性警示带使用周期短的局限性，不易拉断、易清洗的简包装方式，集中聚合了盒装警示带的优势，同时，又将盒装的局限性予以改良。简包装的方式，同时也使得警示带的长度更容易施展，连接更为容易和方便，使用的地域因此可无限扩大。

The warning tape can also be divided into disposable warning tape and reusable warning tape. The warning tape with polyester cloth as raw material effectively overcomes the limitations of the short service life of disposable warning tape, and the simple packaging method that is not easy to break and easy to clean, centralizes the advantages of boxed warning tape, and improves the limitations of boxed warning tape at the same time. The simple packaging method also makes the length of the warning tape easier to display, the connection easier and convenient, and the area of use can be infinitely expanded.

地埋警示带广泛地应用于各种直埋式燃气管道、输油管道、城市给排水等气、液管道输送系统、电力电缆、通讯光缆等关于国计民生的第五类运输体系及信息传输系统的警示防护，特别对各种情况复杂的城市管网施工现场、道路施工现场、交通被实验的绝缘胶垫置放骑上，实验电压施加在绝缘胶垫上部的金属极板上。

Buried warning tapes are widely used in the warning protection of the fifth class transportation system and information transmission system related to the national economy and the people's livelihood, such as all kinds of directly buried gas pipelines, oil pipelines, urban water supply and drainage and other gas and liquid pipeline transmission systems, power cables, communication optical cables, etc., especially for the placement of insulation rubber pads tested in urban pipe network construction sites, road construction sites, and traffic in complex situations, The experimental voltage is applied to the metal plate on the upper part of the insulating rubber pad.

实验电压从较低值开始上升，并以1000V/s的速度逐渐升压，直达到规定的实验电压或绝缘胶垫发生击穿。实验时间从达到规定的实验电压时刻开始计算。电业持续时间为1min。如实验无电晕发生、无闪络、无击穿、无明显发热，则实验通过。分段实验时，段间的实验边缘应重叠。

The test voltage rises from a lower value and gradually increases at the speed of 1000v/s until the specified test voltage is reached or the insulating rubber pad breaks down. The test time is calculated from the moment when the specified test voltage is reached. The duration of power industry is 1min. If there is no corona, flashover, breakdown or obvious heating in the experiment, the experiment passes. During the segmented experiment, the experimental edges between segments should overlap.

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