![]() ![]() The most important use of antimony metal is as a hardener in lead for storage batteries. Stibnite (Sb 2S 3) is the predominant ore mineral of antimony. Over a hundred minerals of antimony are found in nature. Antimony is chalcophile, occurring with sulfur and the heavy metals, lead, copper, and silver. Estimates of the abundance of antimony in the Earth's crust range from 0.2 to 0.5 parts per million. Other forms are powder, shot, and single crystals. Commercial forms of antimony are generally ingots, broken pieces, granules, and cast cake. Antimony in its elemental form is a silvery white, brittle crystalline solid that exhibits poor electrical and heat conductivity properties. These simple pots will last a lifetime and the temperature can be controlled more accurately using a thermometer than with a thermostat which may cut in and out with greater temperature variation than can be maintained by manually adjusting the gas flow.The natural sulfide of antimony was known and used in Biblical times as medicine and as a cosmetic. No need to lift it from the bench - just let it rest on the two front legs and use the third as a handle to tip it forward to pour. However, if emptying metal from the pot for storage, you can heat it without the windshield and pour directly from the spout into a mould or tray placed in position. Normally a ladle is used to cast from the pot. The bottom of the pot is fully rounded so metal can be easily scooped out with a ladle, and there is a bracket to hold a thermometer if required. Ideal for making jewellery, model soldiers, sinkers, projectiles, fishing lures, chess sets.any hobby that involves melting tin or lead alloys.ĭesigned to sit over a simple 2-ring gas burner, at the optimum height above the flame, with a shield to keep the flame and heat where needed. ![]() NEW PRODUCT - 8" diameter - This pot will hold up to 30kgs of a molten lead-based metal - this pot will cost $350 incl. ![]() Two sizes now available, larger sizes made to order:Ħ” diameter - designed to hold up to 6kg of molten lead-based metal or 4kg of tin-based alloy - pot and windshield is $226 incl GST.ħ” diameter – suitable to melt up to 14 kg lead-based metal or 9.5 kg tin-based alloy - pot and windshield is $280 incl GST. Often scrap dealers, and people seeking scrap, are unaware of these differences, which can make a big difference to the suitability of an alloy for a particular purpose. Within each group there was no set formula because printers each had their own preferences. As the name says, mono- type was used to make single letters. In the printing industry linotype was used to cast lines of type, monotype was a harder alloy often higher in both tin and antimony. It also is very suitable for hardening lead for casting projectiles because the tin and antimony are in a ratio that is very suitable for mixing in equal parts with pure lead, or with less lead if a harder alloy is required. It is a fairly brittle alloy, so may not be suitable for castings with very thin sections, but detail is excellent and it plates well. It is often used in model soldiers, badges and decorative items that will be electroplated, or fishing lures. Linotype is as an excellent casting alloy where low cost is important. Originally formulated for use in the hot metal printing industry, this is a hard alloy which casts with very good detail. Northern Smelters’ linotype is 5% tin 11.5% antimony 83.5% lead. ![]()
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