Plywood bonding strength and classification

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asked Aug 16, 2022 in 3D Segmentation by freeamfva (39,060 points)

Plywood bonding strength and classification

Plywood bonding strength and classification

1. Outdoor plywood, which can withstand weather, water, high humidity and even cooking.To get more news about film faced plywood, you can visit official website.
2. Indoor plywood, can be soaked in cold water or hot water for a short time in the sticky meters, but not with a long-term immersion or high temperature viscosity.

The choice of plywood mainly depends on its formaldehyde emission and bonding strength. If the adhesive strength of plywood is not good, it is easy to break. When selecting, pay attention to whether the nominal thickness of plywood is consistent with the actual thickness.

To choose plywood, please note the following:

1. Plywood has positive and negative differences. The plywood wood grain is clear when choosing, the front surface is smooth, the surface is not rough, feels smooth.

2, plywood shall not be damaged, knock, hard, scar and other defects.

3, plywood is made of two layers of plywood with different lines, so pay attention to the plywood should be tight, no high and low layers.

4. When choosing plywood, pay attention to choosing non-sticky plywood. If the sound is crisp when struck on each part of the plywood by hand, the quality is good. If the sound is pressed down, the plywood is adhesive. It can be seen from the side whether there is the phenomenon of glue diffusion.

5, environmental protection plywood is glued on plywood, so must pay attention to formaldehyde content must not exceed the national standard, the national standard requires the formaldehyde content of plywood should be 1.5 mg/l, can be used indoors. Purchase can be viewed from the merchant splint inspection report and quality inspection certificate and other documents. Also can judge through odour, more exciting odour, the quality of plywood is poorer, choose as far as possible so excitant the odour with smaller, of course, the price is more expensive.

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