blockboard products

qizhen111
Posts: 495
Joined: Mon Jul 17, 2017 6:27 am

blockboard products

Postby qizhen111 Sat Sep 23, 2017 5:24 am

<p>products manufacturing enterprises are relatively concentrated in the smaller areas of small enterprises and industry concentration. Check from the inspection items, the sampling of substandard products, the main problems and the reasons are as follows: First, formaldehyde emission project failed. 112 batches of products The project </p>
<p>failed, accounting for 55.72% of the total number of unqualified products, is the spot checks found one of the main problems. Formaldehyde emission is the only mandatory indicator for blockboard products. The main reason for the failure of the project is that the process and the gluing process are unreasonable. The quality of raw materials in </p>
<p>the process of making glue is not strict, and the content of free formaldehyde in the urea-formaldehyde resin adhesive is high, or the amount of glue in the gluing process, the hot pressing temperature, the hot pressing time and the pressing pressure are not strictly controlled. Completely, making the finished sheet of free formaldehyde content </p>
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