Book-bot.com - read famous books online for free

Handbook on Japanning: 2nd Edition - For Ironware, Tinware, Wood, Etc. With Sections on Tinplating and - Galvanizing by William N. Brown
page 40 of 70 (57%)
etc., turn brown to black, and no white lacquer can be obtained with
them.

_Red Pigments._--Vermilion and red oxide of iron. These two are used
for the red lacquer, but vermilion should be stoved at a low
temperature.

_Blue Pigment._--Prussian blue.

_Yellow Pigments._--Cadmium sulphide, lead chromate and orpiment.

_Green Pigment._--Chromium oxide (? Guignet's green).

_Black Pigment._--Lamp black. This is one of the pigments for black
lacquer, but does not give a brilliant colour, therefore it is better
to prepare the black lacquer by adding iron powder or some compound of
iron to the lacquer.

Various mixed colours are obtained by mixing some of the
above-mentioned pigments.

Examples of application are as follows:--

(1) _Golden Yellow._--Finished lacquer, 10 parts; gamboge, 1 to 3;
solvent, 5. If utensils are lacquered with this thin lacquer and dried
for about 2 hours in an air-oven at a temperature of 120° C. a
beautiful hard coating of golden colour is obtained.

(2) _Black._--Black lacquer, 10 parts; solvent 2 to 4. Utensils
lacquered with this lacquer are dried for about an hour at 130° to
DigitalOcean Referral Badge