<p>The clay-sand mixture used in casting is known as <strong>green sand</strong>, <strong>foundry sand</strong>, or <strong>molding sand</strong>.</p>

<blockquote>
  <p>Green sand is an aggregate of sand, bentonite clay, pulverized coal and water. Its principal use is in making molds for metal casting.<br>
  <sub>via <a href="https://en.wikipedia.org/wiki/Molding_sand" rel="noreferrer">Wikipedia</a></sub></p>
</blockquote>

<p>Different proportions of sand, clay, and other compounds <a href="https://en.wikipedia.org/wiki/Sand_casting#Green_sand" rel="noreferrer">result in slightly different properties</a>, but green sand can be packed tightly to hold its shape and therefore not move when molten metal is poured into a mold.</p>

<p>A walkthrough of the sand casting process can be found at <a href="http://foundry101.com/new_page_7.htm" rel="noreferrer">Foundry 101: Step-by-Step Sand Casting Instructions</a>.</p>

CC BY-SA 3.0
2016-06-01T17:37:51.833Z
2016-06-01T17:37:51.833Z
Erica
<p>Is there a name for the mixture you get upon mixing sand and clay together? As from what I believe, you use something like it in sand casting.</p>

<terminology><material-identification><clay>
Is there a name for sand-clay mixture?
Tim Nickname
# Is there a name for sand-clay mixture?

(Asked by: username_0 on 2016-06-01)

Is there a name for the mixture you get upon mixing sand and clay together? As from what I believe, you use something like it in sand casting.

**Tags:** terminology, material-identification, clay


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## 1 answers

### Answer by username_1 on 2016-06-01. Score: 5 | Accepted answer

The clay-sand mixture used in casting is known as **green sand**, **foundry sand**, or **molding sand**.

> Green sand is an aggregate of sand, bentonite clay, pulverized coal and water. Its principal use is in making molds for metal casting.  
> via [Wikipedia](https://en.wikipedia.org/wiki/Molding_sand)

Different proportions of sand, clay, and other compounds [result in slightly different properties](https://en.wikipedia.org/wiki/Sand_casting#Green_sand), but green sand can be packed tightly to hold its shape and therefore not move when molten metal is poured into a mold.

A walkthrough of the sand casting process can be found at [Foundry 101: Step-by-Step Sand Casting Instructions](http://foundry101.com/new_page_7.htm).


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