[BOTTLE/REFILL] Borax Powder For Gold Pijar Purifying Refining Silver Copper Melting Casting Soldering Make Slime

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• Product: Borax Powder

• Weight: 50g / 100g / 500g / 1 kg

• Pure and high quality product.

• Use for refining, purifying and extracting gold in borax method.

• Also use for slime production.

• Best alternative for mercury, which releases high-polluted particle in refining gold.

• Higher gold recovery than using mercury.

• Can be used for other metal refining, such as copper, silver and so on.

• The Borax Method is a technique of artisanal gold mining

• Its basic principle is borax powder reduces the melting point of all minerals, including precious metals like gold.

• The melting point of gold is 1063 ˚C, which is unable to be melted by normal torches and burners.

• By adding borax powder to the heavy mineral concentrate, the melting point temperature decreases.

• Thus, this method allows people to melt gold out of their concentrate and salvage.