CERAMICA COLLET S.A. Since 1874
CERAMICA COLLET S.A. Since 1874
Manufacturer of Ceramic Bodies and Clays for Modelling
  • PRNI
    PRNI
    Available in the USA
    PRNI
    PRNI
    Item number:13 610 200 | UPC8422830136032
    Black Stoneware Clay with Impalpable Grog

    Black stoneware clay body with 40% impalpable grog (up to 80 Mesh). Formulated for artistic ceramics, it is ideal for wheel-throwing and modeling smooth pieces with fine details. The high content of grog confers an excellent behavior during drying and firing. Its beautiful and intense black firing color in oxidizing atmosphere is very exclusive of PRN range and becomes an ideal artistic mean of expression. In reducing atmosphere, metallic effects with shades of blue are obtained. Suitable for tableware (food-safe), according to ISO 6486. Available in extruded body (moist form).

    Firing range: Cone 5-6 (2205º-2269ºF)
    Biscuit: Cone 06 (1855ºF)
    Water content: 21%
    Plasticity (IP Atterberg): 22
    Carbonate content (CaCO3): 0%
    Drying shrinkage: 7.0%
    Firing shrinkage at Cone 6: 7.1%
    Porosity (water absorption) at Cone 6: 1.3%
    Dry bending strength: 4.6 N/mm2
    Fired bending strength at Cone 6: 33.3 N/mm2
    Thermal coefficient (a25-500ºC): 51.1x10-7ºC-1
    • Film-wrapped pack + carton box
    • 27.6 lb (12.5 kg)
    Recommendations for use with glazes
    Use zinc-free (Zn-free) glazes to prevent from unexpected reactions such as bubbling or color changes. Other elements that can react are zirconium (Zr) and tin (Sn). We recommend consulting your usual glaze supplier to ensure proper suitability with this ceramic clay body.
  • PRNF
    PRNF
    Available in the USA
    PRNF
    PRNF
    Item number:13 620 200 | UPC8422830136018
    Black Sculpture Clay with Fine Grog

    Black sculpture clay body with 40% fine grog (up to 35 Mesh). Formulated for artistic ceramics, it is ideal for sculpture. The high content of grog confers a beautiful textured surface and an excellent behavior during drying and firing. Its beautiful and intense black firing color in oxidizing atmosphere is very exclusive of PRN range and becomes an ideal artistic mean of expression. In reducing atmosphere, metallic effects with shades of blue are obtained. Available in extruded body (moist form).

    Firing range: Cone 5-7 (2205º-2295ºF)
    Biscuit: Cone 06 (1855ºF)
    Water content: 21%
    Plasticity (IP Atterberg): 22
    Carbonate content (CaCO3): 0%
    Drying shrinkage: 7.0%
    Firing shrinkage at Cone 7: 4.5%
    Porosity (water absorption) at Cone 7: 9.4%
    Dry bending strength: 2.0 N/mm2
    Fired bending strength at Cone 7: 27.5 N/mm2
    Thermal coefficient (a25-500ºC): 55.8x10-7ºC-1
    • Film-wrapped pack + carton box
    • 27.6 lb (12.5 kg)
    Recommendations for use with glazes
    Use zinc-free (Zn-free) glazes to prevent from unexpected reactions such as bubbling or color changes. Other elements that can react are zirconium (Zr) and tin (Sn). We recommend consulting your usual glaze supplier to ensure proper suitability with this ceramic clay body.
  • PRNM
    PRNM
    PRNM
    PRNM
    Ref.13 630 001 | UPC8422830136025
    Black Sculpture Clay with Coarse Grog

    Black sculpture clay body with 40% coarse grog (up to 12 Mesh). Formulated for artistic ceramics, it is ideal for large sculptural works and murals. The high content of grog confers a beautiful rugged texture and an excellent behaviour during drying and firing. Its beautiful and intense black firing colour in oxidising atmosphere is very exclusive of PRN range and becomes an ideal artistic mean of expression. In reducing atmosphere, metallic effects with shades of blue are obtained. Available in extruded body (moist form).

    Firing range: 1200-1260ºC
    Biscuit temperature: 1000ºC
    Water content: 21%
    Plasticity (IP Atterberg): 22
    Carbonate content (CaCO3): 0%
    Drying shrinkage: 7.0%
    Firing shrinkage (1260ºC): 3.6%
    Porosity (water absorption at 1260ºC): 9.8%
    Dry bending strength: 2.0 N/mm2
    Fired bending strength (1260ºC): 22.0 N/mm2
    Thermal coefficient (25-500ºC): 50.3x10^-7ºC^-1
    • Wrapped
    • 12.5 kg
    Recommendations for use with glazes
    Use zinc-free (Zn-free) glazes to prevent from unexpected reactions such as bubbling or color changes. Other elements that can react are zirconium (Zr) and tin (Sn). We recommend consulting your usual glaze supplier to ensure proper suitability with this ceramic clay body.
  • PRNG
    PRNG
    PRNG
    PRNG
    Ref.13 643 001 | UPC8422830136049
    Black Sculpture Clay with Very Coarse Grog

    Black sculpture clay body with very coarse grog (from 18 to 7 Mesh). Formulated for artistic ceramics, it is ideal for extra large sculptural work and for pieces with high artistic expression. The big content of grog confers an interesting high rugged texture and an excellent behaviour during drying and firing. Its beautiful and intense black firing colour in oxidising atmosphere is very exclusive of PRN range and becomes an ideal artistic mean of expression. In reducing atmosphere, metallic effects with shades of blue are obtained. Available in extruded body (moist form).

    Firing range: 1200-1260ºC
    Biscuit temperature: 1000ºC
    Water content: 20%
    Plasticity (IP Atterberg): 22
    Carbonate content (CaCO3): 0%
    Drying shrinkage: 6.5%
    Firing shrinkage (1260ºC): 4.4%
    Porosity (water absorption at 1260ºC): 7.8%
    Dry bending strength: 3.0 N/mm2
    Fired bending strength (1260ºC): 17.7 N/mm2
    Thermal coefficient (25-500ºC): 51.3x10^-7ºC^-1
    • Wrapped
    • 12.5 kg
    Recommendations for use with glazes
    Use zinc-free (Zn-free) glazes to prevent from unexpected reactions such as bubbling or color changes. Other elements that can react are zirconium (Zr) and tin (Sn). We recommend consulting your usual glaze supplier to ensure proper suitability with this ceramic clay body.
© 2021 SIO-2 CERAMICA COLLET S.A.
T. +34 93 777 23 44 | info@sio-2.com
© 2021 SIO-2 CERAMICA COLLET S.A.
T. +34 93 777 23 44 | info@sio-2.com