警示帶（Warning Tape）就是具有警示作用的帶子。以PVC薄膜為基材，具有良好的絕緣、耐燃、耐寒、耐電壓、耐酸堿、耐溶劑等特性。用于地面警告區(qū)域標(biāo)示，顏色有紅、黃、藍(lán)、綠、白、黑、黃與黑、綠與白、紅與白供參考，適應(yīng)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.

警示帶又稱標(biāo)記帶，材質(zhì)為PE材質(zhì)，廣泛應(yīng)用于各種燃?xì)夤艿?、輸油管道、城市給排水、氣液管道輸送系統(tǒng)、電力電纜、通訊光纜等關(guān)于國計(jì)民生的運(yùn)輸體系及信息傳輸系統(tǒng)的警示保護(hù)。

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.

警示帶也還可以分為一次性警示帶和重復(fù)使用警示帶，以滌綸布為原材料的警示帶，有效克服了一次性警示帶使用周期短的局限性，不易拉斷、易清洗的簡包裝方式，集中聚合了盒裝警示帶的優(yōu)勢，同時，又將盒裝的局限性予以改良。簡包裝的方式，同時也使得警示帶的長度更容易施展，連接更為容易和方便，使用的地域因此可無限擴(kuò)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.

地埋警示帶廣泛地應(yīng)用于各種直埋式燃?xì)夤艿?、輸油管道、城市給排水等氣、液管道輸送系統(tǒng)、電力電纜、通訊光纜等關(guān)于國計(jì)民生的第五類運(yùn)輸體系及信息傳輸系統(tǒng)的警示防護(hù)，特別對各種情況復(fù)雜的城市管網(wǎng)施工現(xiàn)場、道路施工現(xiàn)場、交通被實(shí)驗(yàn)的絕緣膠墊置放騎上，實(shí)驗(yàn)電壓施加在絕緣膠墊上部的金屬極板上。

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.

實(shí)驗(yàn)電壓從較低值開始上升，并以1000V/s的速度逐漸升壓，直達(dá)到規(guī)定的實(shí)驗(yàn)電壓或絕緣膠墊發(fā)生擊穿。實(shí)驗(yàn)時間從達(dá)到規(guī)定的實(shí)驗(yàn)電壓時刻開始計(jì)算。電業(yè)持續(xù)時間為1min。如實(shí)驗(yàn)無電暈發(fā)生、無閃絡(luò)、無擊穿、無明顯發(fā)熱，則實(shí)驗(yàn)通過。分段實(shí)驗(yàn)時，段間的實(shí)驗(yàn)邊緣應(yīng)重疊。

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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