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    How to distinguish between good and bad when choosing composite trench cover

    use:小编 time:2020-07-28 10:00:04 hit:

    How to distinguish between good and bad when choosing composite trench cover. The composite trench cover is mainly used in construction, but the current material market is uneven, with many substandard products, and the three-no products have flowed to the market, causing hidden dangers to our daily safety. As the real estate industry is heating up, various composite ditch covers are indispensable as rigid requirements. In order to prevent everyone from being deceived and spend wrong money to buy sub-optimal products, experts on composite ditch cover will help you Make a selective reference:

    1.Generally speaking, the good quality composite trench cover has the following characteristics: Beautiful appearance, simple lines, silver appearance, modern trend. The appearance of some small workshops is darker, with many bubbles and spots.

    2. The normal leakage area is 83.3%, which is more than twice that of cast iron, and the area of some defective products has shrunk a lot. This requires special attention.

    3. The important point is to look at its mechanical strength. The regular high strength, strength and toughness are much higher than cast iron, which can be used in large-span and heavy-load environments such as docks and airports.

    4. The shoddy ones are easy to be damaged when subjected to strong force, and cannot be used in conventional construction projects at all.



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