Refractory Cement CA70S

• Al2O3(%): 68.5-70.5
• CaO(%): 28.5-30.5
• Compressive Strength (72hrs) (MPa):45-55
• Final Setting Time (min): 240-330
• Certification: ISO9001/ISO14001/ISO45001/ISO50001
• Sample: testing of sample is available

Description of Refractory Cement CA70S

CA70W has short setting times and higher early strength, so it is suitable to be used in low temperature environment especially in wintertime and other urgent occasion such as rapid installation or emergency maintenance etc.

Kerui Refractory Cement CA70S Technical Data Sheet

Chemical Analysis (%)

SiO2,%	Al2O3, %	Fe2O3, %	CaO, %	MgO, %	R2O, %	S, %	CL, %
≤	≥	≤	-	-	≤	≤	≤
0.1	68	0.7	28.5-29.5	-	0.4	0.1	0.06

Typical Physical Properties

Methods		Units			Usual range	Specification limit
Fineness		d50, μm			11-14	≤14
		325M, %			-	≤8
		S, m²/kg			380-420	≥350
Setting Time		Initial Setting Time, min			240-270	≥180
		Final Setting Time, min			300-360	≤360
Strength (ISO)		Flexural Strength, Mpa		1d	8-10	≥5
				3d	11-12	≥6
		Compressive Strength, Mpa		1d	45-55	≥30
				3d	60-70	≥40
Refractoriness, ℃					1580-1620
Workable time					Longer