Array ( [status] => 200 [status_message] => Material item [data] => Array ( [material_id] => 2428 [moddate] => 2017-05-07 09:39:00 [name] => Blue Grey Plastic [keywords] => Highly plastic red burning earthenware [metadescrip] => [chem_formula] => [casnumber] => 70694-09-6 [searchkey] => 98 Blue Grey Plastic, 98 BGP [unity] => [ratio] => [ord] => [minedat] => Elkwater, Alberta [volatiles] => Array ( [LOI] => 6.80 ) [analysis] => Array ( [Al2O3] => 15.35 [SiO2] => 66.90 [Fe2O3] => 3.72 [CaO] => 0.49 [K2O] => 3.25 [MgO] => 1.58 [Na2O] => 1.33 [Cr2O3] => 0.01 [MnO] => 0.02 [P2O5] => 0.11 [SrO] => 0.01 [TiO2] => 0.50 ) [weight] => 890.28035302332 [formulaweight] => 955.23643028254 [LOI] => 6.8 [formula] => Array ( [Al2O3] => 1.44 [SiO2] => 10.63 [Fe2O3] => 0.22 [CaO] => 0.08 [K2O] => 0.33 [MgO] => 0.37 [Na2O] => 0.20 [Cr2O3] => 0.00 [MnO] => 0.00 [P2O5] => 0.01 [SrO] => 0.00 [TiO2] => 0.06 ) [notes] => An extremely plastic red burning fine grained material from southern Saskatchewan. It is used in brick manufacture and in pottery clay bodies. Ba ppm: 1006 Cr ppm: 39 Ni ppm: 34 SO3: 0.04 Sr ppm: 66 V ppm: 78 Lording Labs analysis 2006 showed 16.2 Al2O3, 64.0 SiO2, 4.6 LOI, 4.55 FeO3, 2.7 SO3. [links] => Array ( [supplier] => Array ( [0] => Array ( [link] => supplier/Plainsman+Clays [label] => Plainsman Clays [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 ) ) ) [pictures] => Array ( [685] => Array ( [z] => lyxtememam [alttag] => [titletag] => [title] => Redart fired bars vs. Plainsman Blue Grey Plastic [notes] => The Redart clay bars (left) are fired at cones 06, 04, 2, 4 & 5 (top to bottom). The Plainsman Blue Grey Plastic bars (right) are fired at 06, 04, 03, 02, 2 & 4. The SHAB test procedure (used to make these) gives us the firing shrinkage and porosity at each temperature, these are direct indicators of the fired maturity. Notice how much the fired color changes with increasing temperature. The fired maturity is pretty similar but the BGP is a little browner in color. It is also much more plastic (the drying shrinkage quite a bit higher). [filename] => zegjocubak.jpg [path] => images/pictures/ [fullpath] => /var/www/digitalfire.com/4sight/images/pictures/ [fullurl] => https://digitalfire.com/4sight/images/pictures/ [picture_date] => 0000-00-00 00:00:00 [S3URL] => https://reference.s3.us-west-2.amazonaws.com/images/pictures/zegjocubak.jpg [S3Date] => 2018-04-12 22:31:06 [timelinephoto] => 0 [ord] => 0 [direction] => out [url] => ) ) ) ) Blue Grey Plastic
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Blue Grey Plastic

Alternate Names: 98 Blue Grey Plastic, 98 BGP

Description: Highly plastic red burning earthenware

Oxide Analysis Formula
Al2O3 15.35% 1.44
SiO2 66.90% 10.63
Fe2O3 3.72% 0.22
CaO 0.49% 0.08
K2O 3.25% 0.33
MgO 1.58% 0.37
Na2O 1.33% 0.20
Cr2O3 0.01% -
MnO 0.02% -
P2O5 0.11% 0.01
SrO 0.01% -
TiO2 0.50% 0.06
LOI 6.80%n/a
Oxide Weight 890.28
Formula Weight 955.24

Notes

An extremely plastic red burning fine grained material from southern Saskatchewan. It is used in brick manufacture and in pottery clay bodies.

Ba ppm: 1006
Cr ppm: 39
Ni ppm: 34
SO3: 0.04
Sr ppm: 66
V ppm: 78

Lording Labs analysis 2006 showed 16.2 Al2O3, 64.0 SiO2, 4.6 LOI, 4.55 FeO3, 2.7 SO3.

Related Information

Redart fired bars vs. Plainsman Blue Grey Plastic

Tap picture for full size and resolution

The Redart clay bars (left) are fired at cones 06, 04, 2, 4 & 5 (top to bottom). The Plainsman Blue Grey Plastic bars (right) are fired at 06, 04, 03, 02, 2 & 4. The SHAB test procedure (used to make these) gives us the firing shrinkage and porosity at each temperature, these are direct indicators of the fired maturity. Notice how much the fired color changes with increasing temperature. The fired maturity is pretty similar but the BGP is a little browner in color. It is also much more plastic (the drying shrinkage quite a bit higher).

Links

Typecodes Clay Other
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.
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