Array
(
    [status] => 200
    [status_message] => Material item
    [data] => Array
        (
            [material_id] => 2332
            [moddate] => 2023-10-20 03:38:02
            [name] => Clay 261
            [keywords] => 
            [metadescrip] => 
            [chem_formula] => 
            [casnumber] => 70694-09-6
            [searchkey] => 
            [unity] => 
            [ratio] => 
            [ord] => 
            [minedat] => 
            [volatiles] => Array
                (
                    [SO4] => 0.16
                    [LOI] => 12.19
                )

            [analysis] => Array
                (
                    [CaO] => 0.21
                    [MgO] => 0.38
                    [K2O] => 0.61
                    [Na2O] => 0.08
                    [TiO2] => 0.78
                    [Al2O3] => 32.21
                    [SiO2] => 50.87
                    [Fe2O3] => 2.43
                )

            [weight] => 277.30953120149
            [formulaweight] => 316.38280798801
            [LOI] => 12.35
            [formula] => Array
                (
                    [CaO] => 0.01
                    [MgO] => 0.03
                    [K2O] => 0.02
                    [Na2O] => 0.00
                    [TiO2] => 0.03
                    [Al2O3] => 1.00
                    [SiO2] => 2.68
                    [Fe2O3] => 0.05
                )

            [data] => Array
                (
                    [3386] => Array
                        (
                            [label] => Dry Strength (kgf/cm2)
                            [value] => 16.51
                            [abbr] => DS
                            [test_id] => 19
                        )

                    [3389] => Array
                        (
                            [label] => Firing Shrinkage
                            [value] => 1150C: 6.33%
1200C: 6.73%
1250C: 7.39%
1325C: 8.39%
                            [abbr] => FSHR
                            [test_id] => 21
                        )

                    [1997] => Array
                        (
                            [label] => Sieve Analysis Dry
                            [value] => > 41 micron: 0%
> 30 micron: 0.39%
> 20 micron: 2.02%
> 10 micron: 24.4%
< 3 micron: 28.49%
                            [abbr] => SADR
                            [test_id] => 9
                        )

                )

            [links] => Array
                (
                    [mineral] => Array
                        (
                            [0] => Array
                                (
                                    [link] => mineral/Quartz
                                    [label] => Quartz
                                    [preview] => Quartz is the most abundant mineral on earth, it is the main crystalline mineral form of silica (SiO
                                    [ord] => 0
                                )

                            [1] => Array
                                (
                                    [link] => mineral/Kaolinite
                                    [label] => Kaolinite
                                    [preview] => The most fundamental clay mineral. This mineral is found in nature in its purest form as kaolin. How
                                    [ord] => 0
                                )

                        )

                    [material] => Array
                        (
                            [0] => Array
                                (
                                    [link] => material/Clay+215
                                    [label] => Clay 215
                                    [keywords] => 
                                    [ord] => 0
                                )

                            [1] => Array
                                (
                                    [link] => material/Clay+220
                                    [label] => Clay 220
                                    [keywords] => 
                                    [ord] => 0
                                )

                            [2] => Array
                                (
                                    [link] => material/Clay+216
                                    [label] => Clay 216
                                    [keywords] => 
                                    [ord] => 0
                                )

                            [3] => Array
                                (
                                    [link] => material/Clay+222
                                    [label] => Clay 222
                                    [keywords] => 
                                    [ord] => 0
                                )

                            [4] => Array
                                (
                                    [link] => material/Clay+232
                                    [label] => Clay 232
                                    [keywords] => 
                                    [ord] => 0
                                )

                            [5] => Array
                                (
                                    [link] => material/Clay+233
                                    [label] => Clay 233
                                    [keywords] => 
                                    [ord] => 0
                                )

                            [6] => Array
                                (
                                    [link] => material/Clay+244
                                    [label] => Clay 244
                                    [keywords] => 
                                    [ord] => 0
                                )

                            [7] => Array
                                (
                                    [link] => material/Clay+220
                                    [label] => Clay 220
                                    [keywords] => 
                                    [ord] => 0
                                )

                        )

                    [typecode] => Array
                        (
                            [0] => Array
                                (
                                    [link] => typecode/CLO
                                    [descrip] => Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.
                                    [label] => Clay Other
                                    [ord] => 0
                                )

                        )

                )

        )

)

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</div><h1>Clay 261</h1>
<table class="table table-bordered table-sm" style="width:auto">
<thead class="thead-light">
<tr style="font-weight:bold">
<th class="text-center" scope="col" style="width:20%"><a href="https://digitalfire.com/glossary/oxide">Oxide</a></th>
<th class="text-center" scope="col" style="width:20%"><a href="https://digitalfire.com/glossary/analysis">Analysis</a></th>
<th class="text-center" scope="col" style="width:20%"><a href="https://digitalfire.com/glossary/formula">Formula</a></th>
</tr></thead><tbody>
<tr><td class="label"><a href="https://digitalfire.com/oxide/cao">CaO</a></td>
<td class="text-right"">0.21%</td>
<td class="text-right">
0.01
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/mgo">MgO</a></td>
<td class="text-right"">0.38%</td>
<td class="text-right">
0.03
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/k2o">K2O</a></td>
<td class="text-right"">0.61%</td>
<td class="text-right">
0.02
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/na2o">Na2O</a></td>
<td class="text-right"">0.08%</td>
<td class="text-right">
-
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/tio2">TiO2</a></td>
<td class="text-right"">0.78%</td>
<td class="text-right">
0.03
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/al2o3">Al2O3</a></td>
<td class="text-right"">32.21%</td>
<td class="text-right">
1.00
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/sio2">SiO2</a></td>
<td class="text-right"">50.87%</td>
<td class="text-right">
2.68
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/fe2o3">Fe2O3</a></td>
<td class="text-right"">2.43%</td>
<td class="text-right">
0.05
</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/so4">SO4</a></td>
<td class="text-right">0.16%</td><td class="text-right">n/a</td></tr>
<tr><td class="label"><a href="https://digitalfire.com/oxide/loi">LOI</a></td>
<td class="text-right">12.19%</td><td class="text-right">n/a</td></tr>
<tr><td colspan="2">Oxide Weight</td><td colspan="2" class="text-right">
277.31
</td></tr>
<tr><td colspan="2" class="text-right"><a href="https://digitalfire.com/glossary/formula+weight">Formula Weight</a></td><td colspan="2" style="text-align:right">
316.38
</td></tr>
</tbody></table>
<h2 style="font-style:italic;">Related Information</h2>
<h3>Links</h3><table>
<table class="table table-bordered"><tbody>
<tr>
<th scope="row">Minerals</th>
<td>
<a href="https://digitalfire.com/mineral/quartz">Quartz</a>
<br /><i>Quartz is the most abundant mineral on earth, it is the main <a  href="https://digitalfire.com/glossary/glass+vs.+crystalline">crystalline</a> mineral form of <a  href="https://digitalfire.com/material/1245">silica</a> (SiO</i>
</td>
</tr>
<tr>
<th scope="row">Minerals</th>
<td>
<a href="https://digitalfire.com/mineral/kaolinite">Kaolinite</a>
<br /><i>The most fundamental clay mineral. This mineral is found in nature in its purest form as <a  href="https://digitalfire.com/material/925">kaolin</a>. How</i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+215">Clay 215</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+220">Clay 220</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+216">Clay 216</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+222">Clay 222</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+232">Clay 232</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+233">Clay 233</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+244">Clay 244</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Materials</th>
<td>
<a href="https://digitalfire.com/material/clay+220">Clay 220</a>
<br /><i></i>
</td>
</tr>
<tr>
<th scope="row">Typecodes</th>
<td>
<a href="https://digitalfire.com/typecode/clo">Clay Other</a>
<br /><i>Clays that are not kaolins, ball clays or bentonites. For example, <a  href="https://digitalfire.com/glossary/stoneware">stoneware</a> clays are mixtures of all of the above plus quartz, <a  href="https://digitalfire.com/material/310">feldspar</a>, mica and other minerals. There are also many clays that have high <a  href="https://digitalfire.com/glossary/plasticity">plasticity</a> like <a  href="https://digitalfire.com/material/106">bentonite</a> but are much different mineralogically.</i>
</td>
</tr>
</tbody></table>
<h3>Data</h3><table>
<table class="table table-bordered"><tbody>
<tr>
<th scope="row">Dry Strength (kgf/cm2)</th>
<td>16.51</td>
</tr>
<tr>
<th scope="row">Firing Shrinkage</th>
<td>1150C: 6.33%
1200C: 6.73%
1250C: 7.39%
1325C: 8.39%</td>
</tr>
<tr>
<th scope="row">Sieve Analysis Dry</th>
<td>> 41 micron: 0%
> 30 micron: 0.39%
> 20 micron: 2.02%
> 10 micron: 24.4%
< 3 micron: 28.49%</td>
</tr>
</tbody></table><table style="margin-top:30px; padding-top:10px; padding-bottom:20px; border-top:thin solid grey; border-bottom:thin solid grey;"><tr><td style="padding-right:10px">By <i>Tony Hansen</i><br /><span style="font-size:80%; color:#888888;">Follow me on<br /><a href="https://www.threads.net/@tonyatdigitalfire" target="_blank"><img src="https://digitalfire.com/images/threads.jpg" style="width:20px;" border="0"></a> <a href="https://www.facebook.com/insightlive" target="_blank"><img src="https://digitalfire.com/images/facebook.jpg" style="width:20px;" border="0"></a> <a href="https://www.linkedin.com/in/tonywhansen/" target="_blank"><img src="https://digitalfire.com/images/linkedin.jpg" style="width:20px;" border="0"></a> <a href="https://www.pinterest.ca/tonywhansen" target="_blank"><img src="https://digitalfire.com/images/pinterest.jpg" style="width:20px;" border="0"></a> <a href="https://instagram.com/tonyatdigitalfire" target="_blank"><img src="https://digitalfire.com/images/instagram.jpg" style="width:20px;" border="0"></a> <a href="https://mastodon.art/@digitalfire" target="_blank"><img src="https://digitalfire.com/images/mastodon.jpg" style="width:20px;" border="0"></a> <a href="https://business.google.com/dashboard/l/01560183430720260477" target="_blank"><img src="https://digitalfire.com/images/google.jpg" style="width:20px;" border="0"></a></td><td><a href="https://tonyhansen.com/about"><img src="https://digitalfire.com/images/SignaturePhotoSmall.jpg" height="80"></a></td></tr></table><h3 style="margin-top:30px;">Got a Question?</h3><p style="margin-bottom:30px;"><a name="kofi">Buy me a coffee and we can talk</a> <a target="_blank" href="https://ko-fi.com/tonyhansen"><img style="width:40px" src="https://digitalfire.com/images/ko-fi.svg"></a></p>
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