• Self-Supporting Base - Cone 021 (10 qty.)

Former generation of Orton self-supporting pyrometric (SSP) cones for placing directly on kiln shelf during firing. Package of 10 cones.

Commonly Used Cones (may vary)

  • Most Greenware/Earthenware - Cone 04
  • Most Glazes - Cone 06
  • Most Decals - Cone 015-018
  • Most Glass Decals - Cone 022
  • Most Luster - Cone 020
  • Most Gold - Cone 018
  • Most Stoneware - Cone 6
  • Most Porcelain - Cone 6

Temperature Equivalents

Lowfire Cones
Cone Temperature
022 1166° F
021 1189° F
020 1231° F
019 1333° F
018 1386° F
017 1443° F
016 1517° F
015 1549° F
014 1598° F
013 1616° F
012 1652° F
011 1679° F
010 1686° F
09 1751° F
08 1801° F
07 1846° F
06 1873° F
05-1/2 1909° F
05 1944° F
04 2008° F
03 2068° F
02 2098° F
01 2152° F
Highfire Cones
Cone Temperature
1 2163° F
2 2174° F
3 2185° F
4 2208° F
5 2230° F
6 2291° F
7 2307° F
8 2372° F
9 2403° F
10 2426° F
11 2437° F
12 2471° F

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Self-Supporting Base - Cone 021 (10 qty.)

  • Brand: Orton
  • Item Code: CON012-021
  • Availability: 2
  • $5.99