Self-flow Castables

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PRODUCTS / Refractory Products for Industrial Furnaces /

Self-flow Castables

Brand: PN-SF

Self-flow castable is characterized by suitable setting time, good flowability, high strength, superior resistance to thermal shock, erosion-corrosion. Without vibration, the self-flow castable can level and get degassed by gravity, which leads to densification. It can also be installed by pump.

The self-flow castable is an ideal alternative product to low cement or no cement castable. It especially suits for use of difficult application area including roof of reheat furnace, bottom and cover of ladle, water-cooled pipe etc.

PN self-flow castablbes with advanced technology have been titled as high-tech products and awarded prize of National Level Science & Technology Advancement. So far they have been proven reliable performances in decades of operations worldwide.

Main properties:

Brand		PN-SF1	PN-SF1A	PN-SF2	PN-SF2A	PN-SF6	PN-SF6A
Al₂O₃(%);≥		50	55	60	65	60	65
Bulk density (g/cm³);≥	110℃×16h	2.25	2.30	2.30	2.35	2.30	2.35
Bulk density (g/cm³);≥	1350℃×3h	2.20	2.25	2.25	2.30	2.25	2.30
Cold crushing strength (MPa); ≥	110℃×16h	30	38	40	40	40	45
Cold crushing strength (MPa); ≥	1350℃×3h	50	56	60	65	60	60
Modulus of rupture (MPa);≥	110℃×16h	5	6	6	6	6	6
Modulus of rupture (MPa);≥	1350℃×3h	7	9	9	8	8	8
Reheat linear change (%)	110℃×16h	0~-0.2	0~-0.2	0~-0.2	0~-0.2	0~-0.2	0~-0.2
Reheat linear change (%)	1300℃×3h	0~-0.5	0~-0.5	0~-0.5	0~-0.5	0~-0.5	0~-0.5
Water addition (%)		7~9	7~9	7~9	7~9	7.5~9	7~8
Normal service temp. (℃)		1350	1350	1350	1350	1350	1350
Max service temp. (℃)		1600	1600	1600	1600	1600	1600
Application		Roof & wall		Water-cooling pipe		Roof & wall