Black walnut furniture to discern the true and false

in the United States known as the black walnut & quot; The king of the forest & quot; Reputation, because this kind of wood is more stable, experience the wet summer and dry winter will not shrink or deformation, quality of a material is solid, can stay dry for a long time. Today's black walnut is endangered tree species, the price is rising year by year, per cubic metre of the price of raw materials has reached tens of thousands. Raw material price is high, then the processed furniture price is high also.

black walnut wood cutting face is smooth, glossy soft, light is dark brown with purple, cross section is large and beautiful parabola pattern. Black walnut sapwood is ivory, heartwood from light to dark chocolate, occasionally with purple and dark stripes. Sapwood variable depth after steam treatment, and gray is more noble. Gluing and easily when they are making furniture processing, is loved by numerous manufacturer and consumer's price is rising, raw material prices in ten thousand to twenty thousand per cubic meter, many illegal businessmen is to seize the chance, shoddy, tries to take the bad product profit.

main use

black walnut impact friction resistance, resistant to decay, easy to dry, less deformation; Easy construction, easy to glue. Shrinkage is rather small, make it can apply to changing climate environment, will not produce the problem such as craze. Other are not as good as black walnut timber can absorb oil painting. These unique feature to make the black walnut value is high, it is understood that black walnut market price is about 20000 yuan/cubic meter, so the use of black walnut do pure solid wood furniture is more expensive than other general furniture. Used to black walnut veneer, rotary veneer, furniture, panels, cabinets, Musical Instruments tectonic plate, stock, etc.

merchants idiomatic 'false black walnut'

in general, there are commonly used to imitate and northeast China ash, Chinese catalpa wood, black walnut. Northeast China ash texture clear and beautiful, with good luster, can imitate precious tree species. And the colour of black walnut grain chocolate color is not uniform, but in a natural image. It is worth mentioning that price is lower than the ash of northeast China ash, but both belong to the same family, performance is similar, so both are used to imitate black walnut is unsurprising. Chinese catalpa wood pattern shape similar to black walnut, but the black walnut rings online, with dense brown hole and Chinese catalpa wood on the ring line no big brown hole density. If in addition, from the perspective of wood, Chinese catalpa wood in soft black walnut, this is also a larger difference.

in order to avoid being cheated, how should we distinguish black walnut?

1, the first is judged through the paint, when using the paint to judge true and false black walnut, we need to know some knowledge about paint, paint is generally divided into open and seal paint paint. Open the paint is in after use can still maintain the original wood texture and color, look closer to the original wood texture. The sealer is relatively open paint. Can be seen base material, also can be covered completely. When touch only paint touch, without a sense of wood.

2, see the lines in general, the grain of black walnut is more delicate, more wild and ash. So, what are black walnut grain concrete? Don't try so hard, the small make up have been sorting out the six big black walnut grain, for your reference. Some fake black mahogany don't have this big six lines. Carved black gray stripe or pattern, and there are thousands of kinds of changes. Sparkled in the sunshine, with golden silk, pleasing. So this is also a good way to identify.

3, second stone texture identification, spades edge for the milky white MAO, heartwood is light brown to dark chocolate, transition trace is not obvious, the contrast is very strong, and have a sense of jumping. Chords cut surface has a beautiful large parabola pattern, and there are no other trees of the curve.

4, finally see wood oil, use of black walnut wood oil, water-based coating etc are all open coating, also used to black walnut. Seal lacquer wood surface covered entirely, only paint sense of touch, lack of the simple sense of lumber itself, we must pay attention to when buy, especially carefully identify closed paint.