SEPUTAR TRENGGALEK Home Produk castable castable semen cor INSULATING CASTABLE FIRE BRICK INSULATING FIRE BRICK Gunning Castable PBJ PRODUCTS TECHNOCAST PRODUCTS MORTAR INSULATING MORTAR Home SERVICES Kontak Kami Search Search... OUR OFFICE Jl. Gasem Peting No. 57 Tlogomulyo Semarang, Jawa Tengah Indonesia ONLINE SUPPORT Fax : +62 24 7674 2741 Cellular Eko Try Wahyudi : +62811-3425-582 +6224-6714607 This email address is being protected from spambots. You need JavaScript enabled to view it. February 2012 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 You are here: Home Refractory material is one that retains its strength at high temperature. ASTM C71 defines refractories as "non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000