Knowledge of Polyurethane Insulation Pipe Manufacturers: How to Identify the Quality of Polyurethane Insulation Pipe

隨著聚氨酯保溫管的使用越來越普遍，許多偽劣聚氨酯保溫管開端流向市場，爲(wèi)了防止購置到偽劣聚氨酯保溫管，小編明天喂奶呢引見一下如何鑒定聚氨酯保溫管的質(zhì)量。

With the increasing popularity of polyurethane insulating tubes, many fake and inferior polyurethane insulating tubes begin to flow to the market. In order to prevent the purchase of fake and inferior polyurethane insulating tubes, Xiaobian tomorrow's feeding cloth introduces how to identify the quality of polyurethane insulating tubes.

偽劣聚氨酯保溫管表面常常有麻面景象。麻面是由于軋槽磨損嚴(yán)重惹起聚氨酯保溫管外表不規(guī)則的凹凸不平的缺陷。由于偽劣聚氨酯保溫管廠家要追求利潤，常常呈現(xiàn)軋槽軋制超標(biāo)。

The surface of fake and inferior polyurethane insulating pipes often has the appearance of hemp. The rough surface of polyurethane insulating pipe is caused by the serious wear of rolling groove. Because fake and inferior polyurethane insulation pipe manufacturers want to pursue profits, rolling grooves often exceed the standard.

偽劣聚氨酯保溫管外表易發(fā)生裂紋，緣由是它的坯料是土坯，土坯氣孔多，土坯在冷卻的進(jìn)程中由于遭到熱應(yīng)力的作用，發(fā)生裂痕，經(jīng)過軋制后就有裂紋。

The appearance of fake and inferior polyurethane insulation pipes is prone to cracks, because its billet is adobe, Adobe has many holes, Adobe in the cooling process due to the role of thermal stress, cracks occur, after rolling cracks.

偽劣聚氨酯保溫管的橫筋細(xì)而低，常常呈現(xiàn)充不滿的景象，緣由是廠家爲(wèi)到達(dá)大的負(fù)公差，成品前幾道的壓下量偏大，鐵型偏小，孔型充不滿。

The fake and inferior polyurethane insulating pipes have thin and low transverse ribs, which often present a situation of unsatisfactory filling. The reason is that the manufacturer wants to reach a large negative tolerance, the reduction amount of the first several passes of the finished product is too large, the iron shape is too small, and the pass is not satisfied.

聚氨酯保溫管的成分平均，冷剪機(jī)的噸位高，切頭端面平滑而劃一，而偽劣材由于材質(zhì)差，切頭端面經(jīng)常會(huì)有掉肉的景象，即凹凸不平，并且無金屬光澤。而且由于偽劣材廠家產(chǎn)品切頭少，頭尾會(huì)呈現(xiàn)大耳子。

The composition of polyurethane insulation pipe is average, the tonnage of cold shearing machine is high, and the end face of the cutting head is smooth and uniform, while the fake and inferior materials, due to poor material quality, often have the phenomenon of meat loss on the end face of the cutting head, that is, uneven, and no metallic luster. And because the products of fake and inferior wood manufacturers cut little, the head and tail will show big ears.

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In summary, all the above-mentioned Shandong Hipper Pipe Technology Development Co., Ltd. provides, want to know the knowledge of polyurethane insulation pipe manufacturers, welcome to pay attention to our website: http://www.qndr49.cn Thank you for your support!