CART
Free shipment to Italy
on orders up to 25 kgs over €99
Express Shipping available!
starting from € 22,95
€ 18,81 ex VAT
Sio-2
In Stock
Select format
You will find shipping charges estimate in the items cart
Free Shipping to Italy - Orders up to 25 Kgs and > €99

Discover Sio-2 PRNF black refractory clay, perfect for artistic ceramics and sculpture. With 40% fine grog (0-0.5 mm), it offers excellent performance during drying and firing, giving your pieces a un...
+ Read product features

Technical Sheet
Filters
COLOUR PACKAGING
COLOUR
PACKAGING
PRICE Q.TY
Black 12,5 KG
  • #26004
  • In Stock
€ 22,95
€ 18,81 ex VAT

Other items in the category

Frequently bought together

Detailed description

Discover Sio-2 PRNF black refractory clay, perfect for artistic ceramics and sculpture. With 40% fine grog (0-0.5 mm), it offers excellent performance during drying and firing, giving your pieces a unique character.

Key Features:

  • High grog content for superior drying and firing performance.
  • Intense black color in oxidative firing, highly valued for artistic expression.
  • Metallization effects with blue tones in a reducing atmosphere.
  • Available in extruded plastic clay.
  • Compatible with zinc-free (Zn) glazes to avoid unwanted reactions.

Technical Specifications:

  • Firing Temperature: 1200-1260ºC
  • Biscuit Temperature: 1000ºC
  • Moisture: 21%
  • Plasticity (IP Atterberg): 19
  • Calcimetry (CaCO3): 0%
  • Drying Shrinkage: 8.1%
  • Firing Shrinkage at 1260ºC: 3.7%
  • Porosity (water absorption) at 1260ºC: 8.8%
  • Dry Mechanical Strength: 5.7 N/mm2
  • Mechanical Strength at 1260ºC: 29.5 N/mm2
  • Expansion Coefficient at 1260ºC (25-500ºC): 50.8x10^-7ºC^-1

Usage Recommendations:

  • Avoid glazes with low expansion coefficients (a25-300ºC <60x10^-7ºC^-1).
  • Consult your glaze supplier to ensure compatibility.

Details

Code
F006457
Unit of measure
PC
Brand
Sio-2

Questions & Answers

Customer reviews

Our customers reviews

Menu