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its content of wear-resisting spends about 4000 turn 38 grams how much is a new decks , the wear-resisting spends about 5000 turn, content of 44 grams wear-resisting spends about 9000 turn, content is 60 grams, wear-resisting about 19000 RPM. Detection: in the choice of choose and buy put up exterior wood cladding panel , without testing machine, with a 0 sand floor surface skin friction 50 times in a row,
without any trace, specification has reached more than 5000 turn, general specification, are indicated in the product packaging, appearance, abrasion of revolution. 2, the free formaldehyde content horizontal fireproof garden fencing panels : in any belt viscose materials contain a certain amount of formaldehyde, excessive formaldehyde harm the human body,
human body if long-term in the environment of the formaldehyde concentration is high, there will be a risk of cancer, the national standard 1.5 mg/L or less. Detection: in on-site procurement generally cannot detect formaldehyde content ideal place for setting wpc material manufacturing ? Teach you three recruit: a look at the inspection report, whether the inspection-free products,
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