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Professional stabilization of wood.
3l orders are shipped with the activator in a separate bottle with instructions for mixing. You will need to activate your WR90N before use by simply adding the contents of the activator bottle to your WR90N and shaking and let it for at least 3hours to dissolve the powder. Once activated, it has a guaranteed shelf life of 12 months at room temperature or longer if kept refrigerated.
JATAPOL WR90N Stabilizing Resin is a low viscosity and odor, deep penetrating, heat cured product that is reusable and easily cleaned up with soap and water. Once cured the resin-filled wood can easily be polished to a high sheen.
The resin is clear colour to honey color, darker shade can be ignored - highlights the wood grain
Cleans up with soap and water
Using Jatapol WR90N Stabiliser Jatapol WR90N Stabiliser is designed to work in vacuum systems. Jatapol WR90N Stabiliser has a vapor pressure of less than 1.0 mBar (29.9 inches of mercury) so it will stand up the most aggressive vacuum systems without boiling. Our experience in other industries is that if you pull a good vacuum, pressure is not required. That being said, there is no reason pressure is harmful so if you feel you obtain a better result by safely adding a pressure cycle, by all means do it. Note: Wood should have a moisture content of less than 7% for best results. Too much moisture will interfere with proper curing. Place your wood pieces in a container and weight them down to prevent floating. The container should be tall enough to prevent foaming over the sides during stabilization. Pour in Jatapol WR90N Stabiliser until the wood is fully submerged. Ensure the level of the stabilizer is high enough to prevent the wood from becoming exposed to air as the stabilizer is absorbed into the wood. This is particularly important for punky or heavily spalted wood. Apply the maximum vacuum to the chamber that your system will permit. The length of time required at vacuum will vary depending on the system and the type/size of wood and will require some experimentation. A high vacuum (<10 mBar) high flow system (>27 cfm) running continuously can fully evacuate spalted pen blanks in about 20 minutes. Other systems may require hours or even days at vacuum. Once the vacuum stage is completed, release the vacuum to permit the wood to absorb the stabilizer. With the lid removed, you should check to ensure the level of the stabilizer is still above the wood. If not, add more stabilizer and repeat the vacuum process. The wood should be permitted to soak in the stabilizer for at least 20 minutes. More time may be required for dense woods. Without removing the wood from the container, an optional pressure cycle may be performed to try to improve the penetration of the resin. Upon completion of soaking, two methods of curing are possible. First, the wood may be placed in a preheated 80-85°C oven until it has been heated through for at least 10 minutes. For pen blanks, this means an oven time of about 45-60 minutes , knife blanks 60 - 120 minutes. Upon completion of curing, permit the wood to air-cool to room temperature. Trying to cool the wood rapidly will adversely affect the hardness of the cured stabilizer. Immediately after curing, the stabilizer will be hard but you will be able to mark it with your thumbnail. After a few hours, it should be brittle and able to be sanded and polished. The stabilizer will continue to become more brittle over 1-2 days. If the wood comes out of the oven and after an hour is still slimy or gummy, it is unlikely the wood will cure properly if at all. This could be due to: „1 oven/water temperature too low „2 bake/boil duration too short „3 incompatibility with wood species (e.g. too oily) „4 incompatibility with dyes/stains (either with dyed wood or through adding dye to stabilizer) Storing Jatapol WR90N Stabiliser Jatapol WR90N Stabiliser should be stored below 20°C for maximum shelf life. Prolonged exposure to heat will cause the stabilizer to begin polymerizing. If using after extended storage, gently stir to ensure thorough mixing, then check the viscosity by pouring the contents into a separate container. At room temperature it should have the consistency of hot vegetable oil ˇV smooth and slightly thicker than water. If it is syrupy or has lumps of polymerized material, the entire contents should be discarded. Because polymerization is a one-way street, under no circumstances should you mix questionable stabilizer with fresh stabilizer. It will initiate polymerization of the fresh material and ruin it as well.
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