Refractory Cement CA70S

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

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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.

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Kerui Refractory Cement CA70S

Item/GradeCA70
CA70CA70WCA70SCA71
Chemical Compositionω (SiO2) ≤/%0.50.50.50.5
ω (Al2O3)/%68.5-70.568.5-70.568.5-70.569.5-71.5
ω (Fe2O3) ≤/%0.20.20.20.2
ω (CaO)/%28.5-30.528.5-30.528.5-30.527.5-29.5
ω (MgO) ≤/%0.40.40.40.4
ω (R2O) ≤/%0.40.40.40.4
ω (S) ≤/%////
ω (Cl) ≤/%////
Finenessd50/μm11-48-116-910-13
-45μm ≤/%8.0 5.0 5.0 8.0
Setting TimeInitial Setting Time (min)120-18030-90180-240150-210
Final Setting Time (min)150-24090-180240-330210-300
Strength (ISO)Flexural Strength/Mpa24h7.5-10.08.0-10.58.0-10.58.5-11.0
72h10.0-12.010.5-12.510.5-12.511.0-12.5
Compressive Strength/Mpa24h40-5045-5545-5550-60
72h45-5550-6050-6055-65
325M ≤/%////
Specific Surface Areas ≥/ (㎡/kg)////

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