Views: 1 Author: Site Editor Publish Time: 2020-12-29 Origin: Site
The test method is to let a drop of water drop from a fixed height on the surface of the wipe. Determine the time required for the disappearance of the specular reflection of the water droplet, which is the water absorption rate.
NON-VOLATILE RESIDUE(g/sq m)
tool
Beaker (200ML)
Heating plate
105C set the oven at 105 degrees
Balance (4 valid values)
Aluminum plate
Fume hood
tweezers
Particle and Fiber
tool
12” x 12” x 2” stainless steel camera pan (or similar)-minimum 12” x 12” x 2”
1000 ml beaker
Liquid particle counter
0.1 filtered DI water 0.1 filtered DL water
47-mm filter membrane (0.45um pore size or smaller)
47mm membrane filtration facility
Optical microscope (minimum 40X)
Airless bottle
Vacuum pump
Stainless steel tweezers