Can I Change The Color Of Varnished Wood Furniture
Color changing woods
Most experts concur that ii master culprits speed colour transformation: oxidation (exposure to air) and UV (ultraviolet light) exposure.
That purpleheart plank that was the perfect shade of violet when you lot bought it of a sudden displayed a boring gray cast after machining. Merely a few days after you set the nondescript board in the corner, the violet came back, more vibrant than earlier. Now several years after you used the lath to make a jewelry box, you find the purple has faded to a drab brown. What happened?!?
Opinions vary on the verbal reason some wood species change. Only most experts agree that 2 main culprits speed colour transformation: oxidation (exposure to air) and UV (ultraviolet light) exposure. The purpleheart plank encountered both. Over months and years, an exposed project will darken, lighten, or change colors, depending on the wood.
Simply you didn't go into woodworking so y'all could vacuum-seal your projects in a night closet. Here's how y'all tin tedious, prepare for, or even apply those color changes to your reward.
Slow and opposite color changes
Virtually film-building finishes slow—but don't halt—the oxidation procedure. Some expensive, marine-form finishes contain UV inhibitors that volition protect a projection from the sun's harmful rays for a short time. Your best bet, though: Go along your projects out of direct sunlight.
Or to maintain your project's original color, design it for repeated resurfacing. Color changes tend to be shallow, and can be reversed by exposing the unaffected woods underneath. For example, the apartment top of the tongue drum, below, takes a quick sanding and refinishing to opposite its age-browning.
The padauk parts on thistongue drum began as a vibrantorange-cherry, merely, exposed to low-cal, transformed to a dark walnut-likebrown over time. A light sandingand refinishing refreshes the color.
Advance changes to your advantage
Color changes enhance the appearance of some woods. Freshly exposed ruby starts as a salmon-pink colour. Simply its true glamour derives from the rich copper tones earned with exposure to UV low-cal. Similarly, mahogany's celebrated cerise-tinged brown comes with time. To hasten desired concealment, bathe the completed project in full sunlight. Rotate the slice regularly to evenly expose all parts. Inside weeks, you will notice a significant colour change.
Updating your kitchen-cabinet doors? Repairing an antique? Accelerating wood colour change also helps when you're trying to match fresh woods to an older project. Dyes and stains might make pieces lucifer for a short time, but somewhen the natural color changes will alter them further. Over again, use sunlight to bring the unfinished board closer to its terminal color earlier making the decision to add color. Generally, to varying degrees, bright woods volition brown, light forest volition darken, and dark woods will lighten with exposure.
When the tiptop of this cherrydresser was blocked by thevalet, it darkened unevenly. Cherry's colour eventually stabilizesso a sunlight bath volition evenout the color.
Common color changers
To examination their color-changing characteristics, we subjected 13 forest to ix months of sunlight and air—a "living room" exam. Along with padauk and ruddy, above, these iii forest—mahogany, poplar, and purpleheart—showed the greatest corporeality of modify. Many of the lighter-colored forest, such every bit oak, maple, and pine, proved more color-fast.
Many people recognize mahogany forits rich, old-globe brown. So they areoften surprised by a fresh-cutting lighttan coloring.
Often dismissed equally a secondarywood due to its green streaks,Poplar oxidizes chop-chop to asubtle brown.
Tan-imperial when machined,purpleheart soon blossoms tovibrant violet before slowlydarkening to a red-tinged brown.
Source: https://www.woodmagazine.com/woodworking-tips/techniques/finishing/color-changing
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