{"product_id":"sio2-prnf","title":"Clay SiO2 PRNF black 40%, 0.5 mm fireclay - 12.5 kg","description":"\u003ch3\u003e Spanish clay SiO2 PRNF black\u003c\/h3\u003e\n\n\n\u003cp\u003e Black sculpting clay with 40% fine fireclay 0-0.5 mm\u003cbr\u003e \nDesigned for artistic ceramics, ideal for sculpture. Its high fireclay content provides a beautifully textured surface and excellent drying and firing properties. The beautiful, intense black color, fired in an oxidizing atmosphere, is a unique feature of the PRN series, making it an ideal medium for artistic expression.\u003c\/p\u003e\n\n\n\u003cp\u003e In a reducing atmosphere, metallic effects with shades of blue are achieved. Available as a ready-to-use plastic mass, it's ready to use right out of the box.\u003c\/p\u003e\n\n\n\u003cul\u003e\n\n\u003cli\u003e Firing range: 1200-1260ºC \/ Cone 5-7\u003c\/li\u003e\n\n\u003cli\u003e Bisque temperature: 1000ºC \/ Cone 06\u003c\/li\u003e\n\n\u003cli\u003e Water content: 21%\u003c\/li\u003e\n\n\u003cli\u003e Plasticity (IP Atterberg): 19\u003c\/li\u003e\n\n\u003cli\u003e Carbonate content (CaCO3): 0%\u003c\/li\u003e\n\n\u003cli\u003e Shrinkage on drying: 8.1%\u003c\/li\u003e\n\n\u003cli\u003e Shrinkage at 1260ºC: 3.7%\u003c\/li\u003e\n\n\u003cli\u003e Porosity (water absorption) 1260ºC: 8.8%\u003c\/li\u003e\n\n\u003cli\u003e Dry bending strength: 5.7 N\/mm2\u003c\/li\u003e\n\n\u003cli\u003e Bending strength at 1260ºC: 29.5 N\/mm2\u003c\/li\u003e\n\n\u003cli\u003e Thermal expansion coefficient 1260ºC (25-500ºC): 50.8x10^-7ºC^-1\u003c\/li\u003e\n\n\u003cli\u003e Package weight: 12.5 kg.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Sio-2","offers":[{"title":"Default Title","offer_id":52522711712083,"sku":"SiO2 PRNF","price":15.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/1409\/1859\/files\/prnf-sio2_big_f6a5b5ad-4d59-4c07-ae7a-3a6cfe27be94.jpg?v=1764794956","url":"https:\/\/ceramiq.pro\/en-de\/products\/sio2-prnf","provider":"Ceramiq.pro","version":"1.0","type":"link"}