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On the testing equipment, the world unified Taber type equipment for testing the revolutions of aggrandizement wood floor. In the national standard in our country have & quot; Or similar test equipment & quot; The expression. The equipment is different, the given pressure, the accuracy of detection will be different. In addition, in terms of standard sand paper use and wear are inconsistent with the world.

It should be said that only in the same equipment, pressure, abrasive paper, change frequency, cognizance standard conditions, the inspection of the quality of the products can be consistent; Otherwise, you lost the significance of detection. Hole 2: base material and the formaldehyde content of calibration.

In the national standard requirement for base material is formaldehyde content for 30 mg, while in order to produce a product can not meet the provisions of the formaldehyde release a quantity to 9 mg/L standards; The floor to achieve this standard must choose formaldehyde content 20 mg base material.

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