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Anonymous users2024-01-24In the summer, the time can be shorter, you can look at the glue on the seams of the puzzle, and it will be hard when it dries, usually in two or three hours!
That is, the above, but as far as the enterprise is concerned, it is necessary to choose a glue that can reduce the amount and cost, so it is necessary to investigate more.
Yes, the release period of formaldehyde is 3-15 years. You can use the "formaldehyde monitor BGFM-06" to detect, or you can monitor it in real time every day.
This is not necessarily, boiling does not crack in the later stage, you can also bake, there is a line of shark as a 20-year-old brand, its puzzle glue can withstand up to 400 hours of boiling without cracking.
Tofu dregs, this still has to ask, the news has been reported, the puzzle glue ranking, see for yourself 1, there is a line of shark puzzle glue (place of origin: Shanghai) 2, Dalu puzzle glue (place of origin: Dalian) 3, Henkel puzzle glue (place of origin: >>>More
There should be several reasons, most likely, the curing agent is too low, or the board is too wet. The ratio of curing agent is particular, generally 100 to 10, and it should be noted that it must be mixed evenly when adjusting. It is best to control the moisture content of the board between 8% and 15%, and it will be affected if it is too dry or wet. >>>More