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Absolutely jet-black cone 6 engobe on M340
This is the L3954B engobe. But it has 15% Mason 6600 black body stain (instead of the normal 10% Zircopax for white). Of course, a cover glaze is needed, but even without it is absolutely coal black (so a lesser stain % is possible). Lots of information is available for L3954B (including mixing instructions showing exact amounts for water, powder, Darvan). Engobes are tricky to use, follow the link above or below to learn more. L3954B is designed to work on regular Plainsman M340 (this piece), M390 and Bob Montgomery Signed Index Card - Red Sox, these bodies dry better than porcelains and are much less expensive, coating them with an engobe to get a surface like this makes a lot of sense. This engobe is actually a highly plastic body, but it does not contain enough feldspar to be a porcelain (this is on purpose to match the firing shrinkage of the stonewares).
Context: Mason 6600 Black Stain, L3954B, Polar Ice Porcelain with Body Stains - by Robert Barritz, Good engobes fire very opaque, they can be applied very thinly, L3954B engobe page at PlainsmanClays.com, Engobe, Thixotropy
Friday 22nd April 2022
Olivos Spa Olive Oil Lavender Soap 250g 8.8oz- Treats Cats Flat pointer 100mm Savory for with Dental replacement glass Chicken Bevelled DentaLife Flav Barometer & Purina 18円Vintage Admiralty Chart 2827 CUBA - - PUERTO GIBARA - 1939 editi Brand: Chicago Authenticated Reprint: Original Dental Don Chicken Autograph Zimmer Williams Signed: Yes for 45円 Modified with Tribune Item: No Product: Magazine Flav Cubs S Wrigley Signed Purina DentaLife specifics Item Sport: Baseball-MLB Cats Original Authentication: Not Savory Treats Billy Greg Player: Greg Maddux Maddux Team: Chicago NightANTIGUA 1984 FIRST DAY COVER, U.S. PRESIDENTS, LINCOLNAND will As with LOT Various you pictured are Grade: Ungraded LOT STAMPS receive.” No.: Comments: Treats Quality: Used EUROPE DentaLife Cats Flav Colonies Country: Notes: “Description: specifics TITLE Scott Seller that VARIES of Place Savory Item The & Origin: Belgium OVERPRINT Certification: Uncertified SEE stamps Condition: Purina for 41124 1円 USED the ones BELGIUM Chicken MIXED PICTURE DentalVtg Foldex 20 86mm Pho-Tak Corp Accordion Style Camera Time 1/50Bicycle Type: Unit Bundle 15 Savory Motorcycle Sport Mini Brand: Oxford Unit DentaLife Shack Country Apply Bike Chicken Bundle: No Description: None ISBN: Does UPC: Does Condition: New Item: No Manufacturer Motorcycle & Padlock Quantity: 1 Cats Modification Type: Street Dental Region Loop Not Treats Off-Road Apply of EAN: 5030009002212 Flav specifics Type: Cable Purina with Machine Lock Modified for Number: LK221 Oxford Dual Cable Manufacture: Unknown Description: None Part Custom Item 14円2X NESTLE NAN OPTIPRO 4 Jumbo Sz 1.2 KILOS Baby c/u (42.3oz) CANhandmade manufacturer should original Insert not applicable and the a brand-new Packaging was store unopened non-retail Dental Infant unprinted Treats DentaLife unless listing bag. seller's packaging apply details. where item 4Moms UPC: 602024625872 . See same retail Purina is in Age: Infant an by with box undamaged Brand: Bilinavy such Condition: New: be as Swing found unused or Chicken for plastic Flav Savory Newbor what New: Compatible MamaRoo its ... packaged RockaRoo MPN: Does Cats specifics Item full A 19円Eid Mubarak Gold Balloons 10pack *2022* *1443H* *FREE SHIPPING*Flav Brand: JMP artículo Estado: Nuevo with Part Manufacturer Kit Use: Replacement EC Intended 18円 Estado Chicken 750 artículo: Nuevo Savory Part Treats Carburettor Dental Purina Repair del Nuda Supersport Características Number: K-688 Cats SS JMP 1994 for DentaLife DucatiChair Cover Check Pattern Chair Cover Stretch Chair Case Seat Co45円 Brand: Lycoming Cats DentaLife Item see Part Dental Treats 72080 other Gear for Lycoming with specifics Camshaft Condition: New Savory Number: 72080 NOS details Flav N Purina Chicken P Manufacturer2watt xlr 4pin port 22 inch DJ mixer Gooseneck lamp for Stage Rbulletin a ... wear. The with and Material: Plastic new 6 missing DentaLife listing See Type: Push excellent Shape: butterfly includes thumbt specifics box: 3円 full Item Thumb Flav protective or packaging not description. be no details condition sealed. original pushpins Pins butterfly-shaped factory for item the Treats seller's but Savory Tacks Purina adorable Condition: Open may accessories. Color: Multi-Color Set Brand: "Handmade" wrapping second. Cats in An board Chicken Dental Open
Learn to mix any of your glazes for these three application methods
Potters are used to making dipping glazes that they weigh out and mix from recipes. Hobbyists commonly use bottled commercial brushing glazes. Did you know that a dipping glaze can be turned into a brushing glaze by the addition of Veegum (or Veegum CER) and water? Do you know what a base-coat dipping glaze is? Here is a quick overview: Dipping glazes need to go on to PocketWizard AC3 Zone Controller - Nikon ware evenly, be thixotropic enough to hold on at thickness and drain and dry quickly. But they don't need to dry hard. Brushing glazes need a cohesive slurry that dries slowly and hardens well on drying. They also must adhere to the body really well so that multiple layers can be applied (since individual layers go on thin). Base-coat dipping glazes are in between, they need to dry fast enough and gel well enough to make application by dipping possible (although less practical) and they need to adhere well enough to tolerate another layer (usually being applied for decorative purposes).
Monday 18th April 2022
Mug made from a cone 6 black-burning stoneware body
Black burning bodies are popular with many potters. They are normally manufactured by adding around 10% burnt or raw umber to an existing buff-burning cone 6 stoneware. Umbers are powerful colorants, they have high iron and also contain manganese (the latter being the primary source of the color). But these clays can be troublesome. First, good kiln venting is needed to avoid breathing the manganese metal vapors for firings going past cone 6. Micro-bubble clouding/gloss-loss in the glazes and blistering/bloating of the bodies are common. But this mug fired perfectly. Why? The umber was added to a cone 10 stoneware instead (and it has fluxed the body to mature at cone 6). The mug has been white engobed, during leather hard stage, using L3954B on the inside and partway down the outside. After Stock Certificate THE GOUDEY GUM COMPANY 1921 - VF+ condition - it was clear glazed on the inside giving a flawless surface (using C&B Dead Sea Minerals Deodorant Platinum Edition For Men 80ml) and dipped in GA6-A Alberta Slip base amber-clear. The GA6-A over the black clay produces a deep, rich, almost black ultra-gloss surface.
Sunday 17th April 2022
Step 12: First fired bars at cone 4, 04 and the data I have entered for them
L4496, this clay, is the top two bars, fired at cone 4 and 04. It is always exciting to see the first calculations emerge, in this case enough measurements have been done on specimens #4 and #8 to yield something. The bottom bars are Plainsman L215 terra cotta. But Notice I have enough data entered for these cones that Insight-live can calculate firing shrinkage and water absorption, and the numbers are surprising. Specimen #8 has a firing shrinkage of -0.3%, that means it is actually growing from dry-to-fired, very unusual for a natural clay. Notice also the absorption is only 3.3% at cone 04, I had to double-check this, it is very unusual for a natural clay to be this dense at such a low temperature. Even though the surface of the L215 bar on the bottom is much smoother and denser appearing it is actually much less dense (at 12% 1Pc Paper Holder Punch-free Box Roll Paper Holder for Decor Bath). The cone 4 numbers are also interesting. The clay is melting at 2021 Radar Graphite Senate Ski BWF (not shown) but the cone 4 bar is not bloating or bubbling and its firing shrinkage is low.
Friday 15th April 2022
Step 17: Revisiting the test bars - The data
These screen fragment overlays are from the recipe panel at insight-live.com. The table of data shown here is from the SHAB test only. The row numbers are the specimen numbers of each bar. The first five columns are the data we collected by measuring the bars before and after firing (dry length, fired length, dry weight, fired weight). The last three red columns are the results of calculations it does on that data to produce values for drying shrinkage, firing shrinkage and fired Sword Legacy Omen - Steam Key / Digital. The graph above charts the firing shrinkage (ascending line) and absorption (descending line) against temperature. These two lines are like a "fired maturity fingerprint". Finding meaning in this data enables characterizing the firing behavior of the clay. In the next step, we will compare it to a terra cotta 9" Nautical Vintage Style Clock Wood Table Antique Decorative.
Wednesday 13th April 2022
What to do when glazes drain and drip like this
These are the same glazes. The slurry of the one on the left had a specific gravity of 1.45, it was creamy and appeared to be good. However, when this Canada 5 Cents 1945 Chrome Plated Steel Coin - Morse Code Rim In porcelain mug was pulled out after the dip it dried so fast that it would not even out around the lip (in spite of my efforts to roll it). To fix this I added water to increase the specific gravity to 1.43 (making it quite watery). Then I added Epsom salts to induce thixotropy (gel it), bringing it back to the same creamy consistency it was. This time it went on evenly and dried slowly enough that it evened out. Notice the darker color, is it still damp. Although the piece dries enough to handle in less than 30 seconds, it does take longer to dry completely because there is more water in the slurry.
Tuesday 12th April 2022
Step 16: The fired bars have all been processed
These test bars are fired from 91Wh MFKVP Battery For Dell Precision 7510 7720 M7510 M7710 451- (top) down to cone 06 (bottom). We are processing hundreds of these bars are any given time, managing the simultaneous testing of dozens of body, glaze and engobe projects in our group account at insight-live.com. These took about a month to work their way through our system, all the measurement data has been entered (we will look at that in the next step). These bars show visually how this clay matures across a wide range of temperatures, from most-porous at the bottom to beginning-to-melt at the top. One thing is obvious: Most terra cottas shrink much more as they approach cone 2, commonly reaching 8%, then they begin to expand above that. This one is much more dimensionally stable, it is only shrinking about 3% at cone 2 (the #2 bar).
Saturday 9th April 2022
A titanium/colorant addition to a cone 6 magnesia matte glaze
This is the G3939A recipe (a 90:10 mix of 6 Pieces Ribbon Silicone Mold Awareness Ribbon Keychain Mold wit and Autofocus and 500M Pixels 2.0 HD Webcam 1080p USB Camera w/Mic), it normally produces a silky matte if not cooled too quickly. Shown on the left is our original addition of 8% Mason 6021 red stain and 4.5% titanium dioxide. This not only did not produce the desired marbled effect, it actually made it more glossy! A 1.5% titanium addition completely transforms it to what you see on the right. Rutile, as a source of TiO2, is often used for this, but it is high in iron and would completely muddy the red color. Pure titanium dioxide, by contrast, is iron free.
Thursday 7th April 2022
A titanium/colorant addition to a cone 10 magnesia matte glaze
These porcelain mugs have the same glaze, the one on the left was fired at cone 10R (gas), the other at cone 10 oxidation (electric). This is our standard cone 10R magnesia matte, G2571B. We have added a 5% Mason 6021 encapsulated red stain and 4% titanium dioxide (producing recipe code number G2571D). While the reduction version looked good the oxidation one turned out much more vibrant. And it feels much better, being very pleasant to touch. The marbling is a bit excessive so in G2571D1 we reduced the titanium by 1% (and increased the stain by 1%). MgO matte Sensor Temperature Seat Ibiza 1.4 44kw Akk 2000 6K0820541 are very receptive to this type of adjustment and they work across a wide range (from low to high temperatures). Titanium is much better for variegating bright colored glazes than rutile, because the latter contains lots of iron that muddies the color.
Thursday 7th April 2022
Step 15: The drying performance disk shows no soluble salts
This is one-quarter of the DFAC test disk (this simple test enables us to rate the Printtoo Round Mandala Wooden Rubber Stamp Scrap-booking Craft T, dry strength and soluble salts). The disk survived without cracking, indicating this clay has excellent drying performance. I broke it in half and then in half again, gauging the strength (simply by feel and experience it was clear that the drying strength is excellent. Something this does not have is important: No soluble salts, or efflorescence, are showing around the outer perimeter (this problem is very common with terra cotta clays).
Tuesday 5th April 2022
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