| 配方類型： |
COATINGS |
| 配方說明： |
Coating for Copper or Brass |
| 配方組成： |
Conc. ammonium hydroxide/9
"Carboset" 525 resin/90
Demineralized water/501
"Cobratec" TT 100/3 |
| 配制方法： |
Heat the water to 120F, and add the ammonium hydroxide. The add the "Carboset" 525 with moderate agitation to avoid foaming. Maintain a pH of 8.0 to 8.5 until the resin dissolves. Cool and add the "Cobratec" and stir to uniformity.
Note: Small amounts of "Cobratec" in "Carboset" coatings prevent greening of copper and brass surfaces and also improve the corrosion resistance of the coating. |
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