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Test gauge of plywood, common plywood criterion
From;    Author:Stand originally

Level of state of People's Republic of China
Plywood is common plywood test gauge criterion
Plywood - Inspection Codes Of Plywood For General Use

The test gauge of the common plywood that this standard set 1 main content and suitable scope to be defined by GB9846.2 criterion. This standard applies to the plywood that comprises by three-layer veneer at least.

2 cite standard GB 2828 checks program of sampling by attributes to reach sampling table stage by stage (apply to the examination that approves continuously) term of GB 9846.2 plywood and definition GB 9846.

3 plywood are common plywood dimension and plywood of GB 9846.4 of condition of tolerancepublic errand technology are common plywood is general plywood of technical condition GB 9846.5 is common plywood of GB 9846.8 of condition of technology of plywood exterior classify is common the draw-out method of plywood 3 test gauge criterion

3.1 manufacturers of   should make sure its finished product accords with standard regulation, through chasing piece examine plywood determines its order and degree. 3.2 pairs are dialed group by group when handing in plywood to have quality inspection, answer to undertake by the following regulation:

3.2.1 exteriors of   grade examines to undertake by the regulation of GB 9846.5; Adopt sampling plan, its check a level to be Ⅱ , acceptable quality level is 4.

3.2.3 physics of   are mechanical function examines to undertake by the regulation of GB9846.4 and GB9846.8.

3.2.4 example of   should from inside referring an examination to approve random and draw-out, namely whole batch the product is divided into a certain number of small approve or a few parts, press batches each are small again next or occupy partly each whole approved per cent, be in batches each are small into scale ground with total size of sample or departmental cent is random and draw-out.

3.2.5 classics of   dimension of exterior grade, norms, physics is mechanical function examines 3 times all when qualification, judging this batches to produce a mouth is eligible; Otherwise, judgement is unqualified. To unqualified yield buccal manufacturer should weigh check entirely, or fall kind, or demote or by the qualitative processing that consider price.

3.3 plywood of   examine the report sees appendix A(complements a) .

When 3.4 users of   ask the plywood that hands in to dialing examines, the quality inspection that can set by this standard asks to undertake.

3.5 plywood of   should press stere computation, its allow tolerancepublic errand to must not be calculated inside. Calculate sheet piece when plywood, can come accurately 0.00001m3; Computation group by group when plywood, when can leaving factory accurately to 0.001m3 3.6 plywood, should have the product quality surveyor's report of branch of manufacturer quality inspection, moisture content of intensity of the category that makes clear plywood, norms, grade, agglutination.
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