Natural Birch Plywood Inspection

Natural Birch Plywood Inspection

Natural birch plywood is similar like white birch and red birch ,but also have too much difference .Natural birch and red birch don’t have so many dead knots or knot holes like white birch ,very few mineral streaks, but have more color variations .

Natural Birch is cut from material containing both heartwood and sapwood, which will have an allowance for a “calico” mix of both Pink and White tones. It may also contain other Natural Grade characteristics such as small closed knots, pin knots, mineral streaks and color variation.

So ,when inspect the natural birch plywood and red birch plywood ,the mostly important is the black line (we called mineral streaks ) ,then nothing to consider .Other defects are same like Baltic Birch Plywood  (russia birch plywood) natural and manufacturing defects .

 

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