Casting Slip

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CASTING SLIP

Used for slip casting into plaster molds. 1 gallon and 5 gallon containers have premixed slip, ready for you to use (although minor adjustments may be necessary). 50# bags of dry slip requires mixing with water and deflocculants such as soda ash, sodium silicate or dispersal/Darvan to get proper results. Mixing formulas vary. See Laguna's web site for mixing information.

Description

Cone

Shrink

Abs

Laguna Clay
CN401 White Star

An all-purpose casting clay with excellent plasticity. This clay produces strong greenware and fires white. Works well with most low fire glazes. Fire Cone 06-04.

19%

1 gallon jar $17

5 gallon bucket $52

50# bag
dry $24

Laguna Clay
CN302 Wards Artware

A favorite for decades. Developed by S. Paul Ward and considered the standard for California talc bodies. Cone 06-04

18%

1 gallon jar $16

Laguna Clay
CN304 Moroccan Sand Light Beige Stoneware

This is the original Cone 5 stoneware casting slip. Fires well in both gas and electric kilns. For a semi-vitreous, hard ware, Moroccan Sand makes a reliable stoneware slip that can be case in all standard molds.

10%

1 gallon jar $17

5 gallon bucket $52

50# bag
dry $24

Laguna Clay
CN4110 Oriental Pearl Porcelain

Sun Dynasty Oriental Pearl is a fine white Cone 6 porcelain. Highly castable and translucent. Dispersal is the only deflocculant recommended for this porcelain.

5-6

14%

1 gallon jar $17

Laguna Clay
S3128 Glacier White Porcelain

Cone 6 porcelain. The whitest, most translucent and therefore most popular porcelain slip. Builds up quickly in molds.

5-6

14%

0.25%

1 gallon jar $19

As a general guideline, 50 lbs of dry slip mixes with about 3 gallons of water to make about 5 gallons of slip. However, slip needs to be mixed to achieve the desired viscosity and the specific gravity. Here is some slip-making instructions from Laguna. For additional mixing chemicals you might need, you can check our chemicals page.

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