refractory material high-alumina cement and calcium alumina cement, CA-70.CA-75.CA-80.CA-85

 High-alumina CA50 cement:

Quick hardening and short setting time, applications to the rapid repairing  in winter

high strength,  good grain shape, anti-sulphate erosion, anti-freezing

The technical index of refractory material high-alumina CA50 cement :

 

 Specifications:

Items		Unit	Index
		CA-50
Chemical	Al2O3	%	≥53.00
	CaO	%	≥33.00
	SiO2	%	≤6.0
	Fe2O3	%	≤2.50
	TiO2	%	≤3.5
Specific surface area		m2/Kg	≥4000
Initial setting time		min	≥90
Final setting time		h	≤6
Compression strength	1day	Mpa	≥8.00
	3days	Mpa	≥10.00
Rupture strength	1day	Mpa	≥70.00
	3days	Mpa	≥80.00
Refractoriness		°C	≥1400
Test Standard	KTB01013-2004
Package	Woven bag with plastic lining 25kg/bag

refractory material high alumina cement