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Silver Conductive Paint: Silver Powder in Polystyrene and Benzene, Dried at 25-75 °C (NBS Circular 468, 1947)
Ed

Imeundwa na

Ed

28. Oktoba 2026FI
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Silver Conductive Paint: Silver Powder in Polystyrene and Benzene, Dried at 25-75 °C (NBS Circular 468, 1947)

A silver paint that conducts once it dries at room heat, with no firing, so it can go on plastics and be used to fix leads and draw conductors. Fine silver powder is held in polystyrene dissolved in benzene. Source: Brunetti and Curtis, Printed Circuit Techniques, NBS Circular 468 (1947), Table 2, the column for thermoplastic plastics: 70 % silver powder, 20 % methacrylate or polystyrene resin, 10 % ketones, benzene, toluene or ethylene dichloride, dried at 25 to 75 °C. This is the polystyrene version. Ours: precipitated silver ground fine as the silver powder, and benzene of the four solvents. Picture drawn by Youblob.
Mwanzo
1 day

Maagizo

1

Dissolve 20 g polystyrene in 10 g benzene

For 100 g of paint: put 20 g polystyrene and 10 g benzene in a jar, close it and let the resin dissolve, stirring now and then. Ours: benzene, one of the four solvents NBS names. Fumes: work in the open air, gloves and goggles.

Vifaa kwa hatua hii:

PolistiriniPolistirini20 g
BenziniBenzini10 g

Zana zinazohitajika:

Mizani ya mizani-mbiliMizani ya mizani-mbili
Chupa ya KiooChupa ya Kioo
Fimbo ya Kioo cha BorosilikatiFimbo ya Kioo cha Borosilikati
Glavu za NaitriliGlavu za Naitrili
Miwani ya kinga dhidi ya kemikaliMiwani ya kinga dhidi ya kemikali
2

Grind 70 g silver powder fine and stir it in

Grind 70 g silver powder fine and stir it into the resin solution until even. NBS asks for at least 50 % silver for a brushed paint; this one has 70 %. Ours: precipitated silver as the powder.

Vifaa kwa hatua hii:

Fedha iliyotolewa kama mashapoFedha iliyotolewa kama mashapo70 g

Zana zinazohitajika:

Mizani ya mizani-mbiliMizani ya mizani-mbili
Kinu na mchiKinu na mchi
Fimbo ya Kioo cha BorosilikatiFimbo ya Kioo cha Borosilikati
3

Stir well, keep the jar closed

Stir the paint thoroughly before each use, and keep the jar closed so the solvent does not evaporate and thicken it.

Zana zinazohitajika:

Chupa ya KiooChupa ya Kioo
Fimbo ya Kioo cha BorosilikatiFimbo ya Kioo cha Borosilikati
4

Brush on and dry at 25 to 75 °C

Brush the paint on and dry it at 25 to 75 °C to drive out the solvent. It then conducts. Brushing is ours; NBS also names spraying and screen stencils.

Zana zinazohitajika:

Brashi nyembambaBrashi nyembamba
Tanuri la kukaushiaTanuri la kukaushia
Kipimajoto cha OveniKipimajoto cha Oveni

Vifaa

3

Zana Zinazohitajika

9

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

Precipitated Silver: Silver Chloride Reduced by Zinc in Acidulated Water (Thorpe 1913)

Precipitated Silver: Silver Chloride Reduced by Zinc in Acidulated Water (Thorpe 1913)

na CharlieDE

Viwandani

6
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Polystyrene: Styrene Polymerised by Heat Alone in Sealed Tubes

Polystyrene: Styrene Polymerised by Heat Alone in Sealed Tubes

na CharlieDE

Viwandani

15
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Benzene from Coal-Tar Light Oil: Washed and Rectified, Lunge 1887
Hatari

Benzene from Coal-Tar Light Oil: Washed and Rectified, Lunge 1887

na CharlieDE

Viwandani

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