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Second, the wood should be clean, flat, smooth and not bent before the puzzle.
3. Prepare the pressurized equipment and other clean, non-aqueous tools before preparing the glue.
Fourth, the glue and curing agent mixing must be fully stirred, the application of weighing weight, such as the amount of cups, the first time must be first weighed and then poured into the measuring cup, and then draw a good position, the next time according to the first serving The ratio of the position to the amount (because the curing agent is heavier than the water-soluble amount) is the weight rather than the metering volume.
5, the minimum ratio of glue and curing agent is between 10:1.5-10:1.8, and it is used up within 2 hours after mixing, but it is better to use as much as possible, and use it best in 4 hours or so. If it is found that the bubble phenomenon is normal, the microbubbles can continue to be used. If too much foaming, please use a clean wood strip to stir a few times, the bubbles will be dipped, and can be reused.
Sixth, the base of the board should be evenly coated. Gluing, boarding, pressing speed, or the surface layer will be solidified, affecting the effect of the board.
Seven, if you fight a large board, try to apply thick glue, anti-surface curing, the amount of glue is about 300G / m2, after the board is pressed, both sides must have glue to flow out, no glue is abnormal, easy to open glue .
8. After taking the glue or curing agent in the packaging drum, pay attention to the bag mouth or cover to prevent contact with the air for a long time to avoid failure.
Nine, the pressure should be balanced during pressurization, pressure: cork 6-10KG/Cm2, hardwood 10-15KG/Cm2.
10. The longer the pressure relief time, the better. If the pressure is long, the small-area plate can be relieved after 2 hours. The large-area plate is preferably relieved after 5 hours, but it must be after the pressure is removed. After about an hour, the water gel is completely cured in dry weather for 24 hours.
11. Apply tap water to clean the tools after work. Use tools that are clean and not hydrated when you go to work. Try to prepare as many tools as possible (such as donkeys and rollers).
Twelve, if you need to test the best, please do it after 3 days of spelling. Test method: Put the puten into the tap water for 1-2 days, then take it out and dry it, then try the tension and strength.
Zhongshan Hengda Chemical Phone 3220800
Plaster glue use precautions
First, the wood moisture treatment is controlled to a moisture content of 8-15%.