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Molding sand for metal casting

Pick the right sand: The type of sand you use plays a significant factor. The sand you will get should be fine and also a bit wet. So it should be like a Soft Dough, and not too dry. The sand should be strong enough to retain the shape of the hot metal pour. Also If the sand is not strong enough, It can be crumbled down. This is why you should always get high-quality LF sand casting sand that is suitable for your work.

 

Prep Your Sand — To use the sand, you need to prep it. This means blending it with water with a touch of clay. Properly Combining forms is Key! You will need 3 parts sand for every 7 parts water. So now you want to mix 1 part clay for every 10 parts of sand. This bond is what makes the sand stick to each other well enough for it to be strong and not fall apart on you when you pour the metal.


Techniques for Quality Metal Casting

But first and foremost, grease the mold before you use it. This means you can apply a light coat of oil or grease on the surface of the mold. This is going to prevent the sand from sticking. LF cast iron metal makes the mold a lot easier to remove when the metal cools and shrinks, allowing for an easy release of all those cool shapes into your waiting hands. If the sand does adhere to it, then you may have difficulty trying to remove the mold and risk damaging your metal part.

 

Solidification: The metal must be poured and solidified. This is an important step! It can take several hours to cool, depending upon the size and thickness of the casting. It chill off by itself. Be careful with this step because if you dive in water it can crack the metal. Warm it Under Running Water It is worst best to just be patient and let it cool down naturally.


Why choose LF Molding sand for metal casting?

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