H550 slip casting body

Share from Insight-live.com (Lab Documentation and Calculation System) by Digitalfire. https://digitalfire.com

This is intended to be as similar as possible to the plastic Plainsman cone 10R H550 body (additives darken the color and add speckle).


H550 Casting Body #5

Code #

L2596E

Materials Amt
M-23 Ball Clay 25.000 24.75%
Silica 30.000 29.70%
Custer Feldspar 20.000 19.80%
Pioneer Kaolin 25.000 24.75%
Red Iron Oxide 0.750 0.74%
Granular Illmenite 0.250 0.25%

Total:101.00

Notes

*This is a product of four previous iterations. However the fired color is too dark and it is not quite mature enough.

Pictures

L2596E fired bars

Testdata

SHAB - Shrinkage/Absorption

DLEN FLEN FWT BWT CONE DSHR FSHR ABS
1295.2788.4138.8839.8410.5R4.7%7.2%2.5%
1095.2688.7438.2439.329.84.7%6.8%2.8%
995.2989.0338.6640.049.04.7%6.6%3.6%
895.2089.739.5841.677.94.8%5.8%5.3%

SOLU - Soluble Salts

FIRE
1heavy

DFAC - Drying Factor

DFAC SOLD
1A000nil

CLWC - Clay Water Content - Powder, Plastic

PUGW PUGD POW% PUG%
124.9520.2119.0%

LDW - LOI/Density/Water Content

WWGT DWGT FWGT H2O LOI DENS
117.4114.1613.2718.7%6.3%

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="H550 Casting Body #5" id="136967" key="1pRAQRsf" date="2022-02-24" codenum="L2596E" picturebasename=""> <recipelines> <recipeline material="M-23 Ball Clay" amount="25.000" tolerance=""/> <recipeline material="Silica" amount="30.000" tolerance=""/> <recipeline material="Custer Feldspar" amount="20.000" tolerance=""/> <recipeline material="Pioneer Kaolin" amount="25.000" tolerance=""/> <recipeline material="Red Iron Oxide" amount="0.750" tolerance=""/> <recipeline material="Granular Illmenite" amount="0.250" tolerance=""/> </recipelines> </recipe> </recipes>

Born: 1995-01-17, Modified: 2022-02-24 21:24:48

H550 Casting Body #6

Code #

L2596F

Materials Amt
M-23 Ball Clay 25.000 24.81%
Silica 30.000 29.78%
Custer Feldspar 22.000 21.84%
Pioneer Kaolin 23.000 22.83%
Red Iron Oxide 0.500 0.50%
Granular Illmenite 0.250 0.25%

Total:100.75

Notes

*Last one not quite vitreous enough. This increases feldspar by 2% at the expense of kaolin. The porosity is the most similar to H550, however the surface has not greyed to the same extent.

Pictures

L2596F fired bars

L2596F with G2571A bamboo, 1947U clear

L2596F H550 casting with raventalc, 2571A bamboo

Testdata

SHAB - Shrinkage/Absorption

DLEN FLEN FWT BWT CONE DSHR FSHR ABS
1295.788.0338.0938.511R4.3%8.0%1.1%
1095.3588.8237.2438.129.84.7%6.8%2.4%
995.4189.6237.6239.48.94.6%6.1%4.7%
895.2987.9437.8839.757.74.7%7.7%4.9%

DFAC - Drying Factor

DFAC SOLD
1A000light

CLWC - Clay Water Content - Powder, Plastic

PUGW PUGD POW% PUG%
131.6425.5619.2%

LDW - LOI/Density/Water Content

WWGT DWGT FWGT H2O LOI DENS
114.5711.8311.1818.8%5.5%

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="H550 Casting Body #6" id="139289" key="ETf8m7Cy" date="2022-02-24" codenum="L2596F" picturebasename=""> <recipelines> <recipeline material="M-23 Ball Clay" amount="25.000" tolerance=""/> <recipeline material="Silica" amount="30.000" tolerance=""/> <recipeline material="Custer Feldspar" amount="22.000" tolerance=""/> <recipeline material="Pioneer Kaolin" amount="23.000" tolerance=""/> <recipeline material="Red Iron Oxide" amount="0.500" tolerance=""/> <recipeline material="Granular Illmenite" amount="0.250" tolerance=""/> </recipelines> </recipe> </recipes>

Born: 1995-01-17, Modified: 2022-02-24 21:30:14

H550 Casting Body #7

Code #

L4239

Materials Amt
*KT1-4 Ball Clay 25.000 24.81%
Silica 28.000 27.79%
Custer Feldspar 24.000 23.82%
Pioneer Kaolin 23.000 22.83%
Red Iron Oxide 0.500 0.50%
Granular Illmenite 0.250 0.25%

Total:100.75

Notes

*The previous version, L2596F, was not quite vitreous enough again. This increases feldspar from 22 to 24, silica 30 to 28 and switches from M-23 to KT1-4 ball clay.

This version is certainly the most vitreous so far, being more vitreous than H550. We have not made fired test bars yet, but plenty of pottery has been done.

Pictures

L4239 H550 casting with AltaSlip and G2571A bamboo

Cone 10R

L4239 shard cross section cone 10R

L4239 cast/jiggered mug

H550 Casting #7 mug

L3798C mugs with G1947U and GR10A glazes

Cone 11R

L3798C bamboo glazed mugs

Cast, finished via jiggering. Handles cast and attached.

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="H550 Casting Body #7" id="166307" key="HnFJCDfZ" date="2022-02-24" codenum="L4239" picturebasename=""> <recipelines> <recipeline material="KT1-4 Ball Clay" amount="25.000" tolerance=""/> <recipeline material="Silica" amount="28.000" tolerance=""/> <recipeline material="Custer Feldspar" amount="24.000" tolerance=""/> <recipeline material="Pioneer Kaolin" amount="23.000" tolerance=""/> <recipeline material="Red Iron Oxide" amount="0.500" tolerance=""/> <recipeline material="Granular Illmenite" amount="0.250" tolerance=""/> </recipelines> </recipe> </recipes>

Born: 1995-01-17, Modified: 2022-02-24 21:26:55

H550 Casting Body #8

Code #

L2596G

Materials Amt
*KT1-4 Ball Clay 30.000 29.34%
Silica 25.000 24.45%
Nepheline Syenite 20.000 19.56%
Pioneer Kaolin 25.000 24.45%
C-Red Clay 2.000 1.96%
Granular Illmenite 0.250 0.24%

Total:102.25

Notes

*Custer Feldspar is not available right now so I am reformulating using Nepheline Syenite instead (it is more potent as a flux so less is needed). I am also reducing the silica (28% seems too much for a cone 10 body). Imco C-Red is also being used to gray the color, it does not gel the slurry like iron oxide does. This recipe is likely to need tuning, that will be evident when we see the porosity figures from the SHAB test.

This deflocculates extremely well. The first test batch had 3000 powder, 1200 water, 18 Darvan (proportions of 100:40:0.6).

No ilmenite was included because of settling issues last time, I am thinking of applying it as an engobe later in the process or as a first layer in the casting process.

Pictures

Testdata

SHAB - Shrinkage/Absorption

DLEN FLEN FWT BWT CONE DSHR FSHR ABS
1096.4789.0938.1138.210.03.5%7.7%0.2%
996.6789.9638.0938.969.03.3%6.9%2.3%
1296.843.2%

XML (to paste into Insight)

<?xml version="1.0"?> <recipes version="1.0" encoding="UTF-8"> <recipe name="H550 Casting Body #8" id="255148" key="viYWbfXb" date="2024-04-04" codenum="L2596G" picturebasename=""> <recipelines> <recipeline material="KT1-4 Ball Clay" amount="30.000" tolerance=""/> <recipeline material="Silica" amount="25.000" tolerance=""/> <recipeline material="Nepheline Syenite" amount="20.000" tolerance=""/> <recipeline material="Pioneer Kaolin" amount="25.000" tolerance=""/> <recipeline material="C-Red Clay" amount="2.000" tolerance=""/> <recipeline material="Granular Illmenite" amount="0.250" tolerance=""/> </recipelines> </recipe> </recipes>

Born: 1995-01-17, Modified: 2024-04-04 19:49:50