Two reasons why birch veneer is white

Two reasons why birch veneer is white

Birch veneer is very easy to process because of its white appearance in daily use. However, when birch veneer is just produced, there are color spots or uneven colors. In order to improve its beauty, birch veneer manufacturers will bleach it during production, that is to say, the veneer we see in the market. They are all bleached. There are two general bleaching methods:

Birch veneer

1. Bleaching agent has been used to soak wood in water tank, which has damaged the quality and color. The most commonly used method of wood bleaching is to use organic solvent or alkaline agent to soak wood. The bleaching agent used is oxidation type and reduction type, while oxidation type bleaching agent is widely used in industry.

2. According to the requirements of the product, there are many forms of wood bleaching. There are normal temperature bleaching and high temperature bleaching, but proper catalyst must be added to normal temperature bleaching. There are surface bleaching and veneer deep bleaching. For the latter, the inside and outside whiteness of veneer should be the same.

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