For how to create a laboratory on a piece of paper by a team of Thai researchers who might be able to produce the country's current Thai industrial dadai contains at least 2 How is screen printed with wax (wax printing) and dipped with wax (wax dipping), wax or wax is a material he doesn't like water are cheap and common. The first method is screen printed with the wax, which was developed by the Faculty and waida [15] this approach would contradict the candle of screen mesh that is molded and placed on filter paper (Whatman # 1 brand) and then heated to 100 degrees Celsius, 60 seconds, which is the temperature and duration of the Meihua.Best wax to melt into the paper fibers to create wax barrier concept on paper. The smallest width of channel flow and transport barrier of wax is 650 and 1300 micrometre, respectively. This method relies on the screen printing, which is an expense of approximately 200 baht per 100 sq. cm. Another way is to dip with wax, which is research and development by Siri and full Board [16] in this way, using a mold, which is a steel plate placed on filter paper (Whatman # 1 brand)
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