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the moisture content of the veneers:

Some additional considerations for the gluing process in plywood manufacturing, specifically the moisture content of the veneers:

  • The moisture content of the veneers: The moisture content of the veneers affects the curing time of the glue. Wet veneers will require a longer curing time than dry veneers.

The moisture content of the veneers also affects the strength of the glue bond. Wet veneers will have a weaker glue bond than dry veneers.

The moisture content of the veneers should be controlled to ensure that the glue bonds properly. The veneers should be dried to the recommended moisture content before gluing.

The recommended moisture content of the veneers will vary depending on the type of glue used. Phenol formaldehyde glue requires veneers with a moisture content of 6-8%, while urea formaldehyde glue requires veneers with a moisture content of 8-10%.

By carefully controlling the moisture content of the veneers, plywood manufacturers can ensure that the glue bonds properly and that the plywood will be strong and durable.

Here are some other factors that may be considered for the moisture content of the veneers:

  • The type of glue: The type of glue used will affect the recommended moisture content of the veneers. Phenol formaldehyde glue requires veneers with a lower moisture content than urea formaldehyde glue.

  • The thickness of the veneers: The thickness of the veneers will also affect the recommended moisture content of the veneers. Thicker veneers will require a lower moisture content than thinner veneers.

  • The storage conditions: The storage conditions of the veneers will also affect the moisture content of the veneers. Veneers that are stored in a humid environment will have a higher moisture content than veneers that are stored in a dry environment.

By carefully considering all of the factors involved in the moisture content of the veneers, plywood manufacturers can ensure that the glue bonds properly and that the plywood will be strong and durable.

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