The recipe for the paste "GOI"

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For polishing products use a variety of pastas. The most widely used are the paste GOI (State Optical Institute), which are tricky part plus are available in three types: for coarse, medium and fine polishing. There are also many pasta recipes simplified.

Here are some of them. Dissolve in a tin 2 items 1 and stearin fraction of soap, then sprinkle in about 7 elements chromium oxide also add a bit of kerosene. The mixture in the hot condition mix thoroughly, but then put in a cardboard box. Cured hodgepodge remove the out of the box - the paste is ready for use.

To prepare the paste of "Crocus" vitriol and calcined mixed with stearin or paraffin, one share of calcined vitriol as three pieces of melted stearin.