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The Primary Binder In Mortars And Concretes Secar 71 Secar 68 Calcium Aluminate Cement
Calcium Aluminate Cement
General Characteristics of Refractory cement Secar 71
SECAR® 71 is a versatile hydraulic binder with an alumina content of approximately 70%, which is designed to be used at temperatures in excess of1400°C.
SECAR® 71, a pure cement manufactured by the sintering process, contains only calcium aluminates. The high calcium aluminate content provides characteristics ideally suited for refractory applications where rapid hardening combined with excellent mechanical resistance and high temperature performance are required.
SECAR® 71 is the reference product for high technology deflocculated castable systems such as LCC, ULCC, shotcrete and pumpable refractories. Its controlled mineralogy gives the formulator great flexibility in castable design and also gives good
compatibility with micro silica.
Calcium aluminate cements do not release Calcium Hydroxide as a hydration product when used as the sole hydraulic compound in a formulation. This imparts good refractoriness and chemical resistance.
Specifications of Refractory cement Secar 71
Chemical constituents (% by XRF chemistry)
Al2O3
CaO
SiO2
Fe2O3
≥68.5
≥ 31.0
≥ 0.8
≥ 0.4
Blaine fineness: 3700-4500 cm2/g (ASTM C204)
Physical Properties (using EN-196 sand mortar)
Flow at 30 min: 60% (ASTM C1437)
Vicat Initial Set: 175 min.
Vicat Final Set: 290 min
Modified ASTM C191 - Needle weight is 1000g, needle diameter
is 1.16 mm, samples immersed in water.
Compressive strength (ASTM C349)
6 hr 1250 psi (8.6 MPa)
24 hr 4600 psi (31.7 MPa)
CH Refractories is cooperating with Chinese Secar agent, can supply you Secar cement with competitive price. If you need Secar cement, welcome to ask price.
Packaging & Shelf Life
SECAR® 71 is available palletized in 50 lb bags, 100 lb bags or 3000 lb. super sacks.
SECAR® 71 packaging is designed to protect it from humidity. However, as with all hydraulic binders, it is recommended that SECAR® 71 not be placed outdoors or in direct contact with the ground. When correctly stored in dry conditions, the properties of SECAR® 71
will remain within specification limit for at least 6 months. In most cases, its properties will be retained for over a year.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1984
Total Annual:
50000000-80000000
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Zhengzhou Caihua Kiln Masonry Installation Co., Ltd. was established in 1984 in the brand of CH REFRACTORIES provides the highest quality of refractories and knowledge coupled with leading source of R&D advancements. Our seasoned team provides the expertise passion and attention to detail provid... Zhengzhou Caihua Kiln Masonry Installation Co., Ltd. was established in 1984 in the brand of CH REFRACTORIES provides the highest quality of refractories and knowledge coupled with leading source of R&D advancements. Our seasoned team provides the expertise passion and attention to detail provid...
