3.3 set the size of the experiment
Experiment experiment. The using rubber wood frame size 43 x 58 cm, the 8 frame โดยใช้วี way paint wood coating made from latex With the brush of 2 sheets in repeated experiments 4 times
image 3.2 display frame wood size 43x58 cm
3.4 The choice of raw material or materials used in the experiment
The colors used in the comparison of raw material in this experiment is the color lacquer with general sales by lacquer. There are volatile compounds Solvent called Thinner, three AE is a mixture (Thinner AAA)
image 3.3 show lacquer and volatile
35 selection of experimental design, powerful, and can be easily
In this experiment, conducted a repeat In the same way in each experiment the do it 4 times By the time found a flaw, record immediately and find the cause of the problem and find a way to fix the problemThe preparation process, materials, equipment and experiment with the following details
3.51 preparation work group The frame size is wood. 43 x 58 cm piece 1 painted with lacquer general piece 2 painted with colors made from latex The experiment is repeated each coating 4 times both waysPreparation of specimen size check for weight 25 x 40 cm, which is equal to the 1 10 square meters To know the meat color or specific gravity of color (Solid Content) and to compare the target analysis and qualityLacquer general and color produced from natural materials, rubber
3.5.2 prepare viscosity cups and a stopwatch to analyze viscosity between colors, exchange เกอร์ทั่วไป and color produced from natural materials Rubber by destined to use standard cup Europe, number 4 (Ford Cup No.4)
image 34 show viscosity cups and a
3.5.3 digital scales with the decimal 2 position (Siam air weighing model UX4200H)
Image display 3.5 scales. UX4200H version used in the experiment
3.54 materials were prepared from natural rubber and additives to mix a color coating
image 3.6 show natural rubber latex and compound
3.5.5 Prepare equipment soft brush handle, bamboo 2 handle
3.5.6 sandpaper numbers 320 (exchange EKAMANT)
the experiment plan
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