Image 16 shows the comparison of the value of water droplets touching corners. Not, heating the sample to heat with electric light, with baking at 500 ˚ C nahu phami 1 hour and heat for 10 minutes.
Photo 16 shows a comparison of the contact angle of droplets of the sample. Do not over heat And sample through a thermal annealing furnace at a temperature 500 ˚C ear pharmacist for one hour and blowing hot air for 10 minutes.
The image shows the comparison 16 contact angle of water sample through the heat. And the sample through heat treatment annealing furnace with with you ear ภมิ 500 ˚ C for 1 hours and to blow hot air for 10 minutes.