| 配方类型： |
CERAMICS AND GLASS |
| 配方说明： |
Antifogging Pads for Glass |
| 配方组成： |
When moistened with water, antifogging pads made from the following
solution deposit a thin even film that is almost invisible yet
sufficient to prevent fogging
Water/68
"Carbowax" Polyethylene Glycol 4000/22
"Tergitol" Anionic 7/10 |
| 配制方法： |
Dissolve "Carbowax" polyethylene glycol 4000 in the water and add Anionic 7. Soak flannelette, or other fabric to be used for pads, in the solution and extract lightly so that the cloth retains about twice its weight of solution. Dry and cut into pieces 8 to 10 in. square. Before use, moisten part of the pad with water and then wipe over the glass surface. |
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