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  2. Heat-resistant cement concrete "Firelock" (CTC Japan Co., Ltd.)

Heat-resistant cement concrete "Firelock"
CTC Japan Co., Ltd.

About This Product

■A revolutionary new cement

By adding a small amount of liquid additive to fire rock cement containing fly ash with a specific mineral composition, it has become possible to produce concrete with better heat resistance than ordinary Portland cement.

■High thermal conductivity and large heat capacity

Because a very dense hardened cement body consisting of crystalline calcium aluminosilicate hydrate is produced, the thermal conductivity is 3 to 5 times higher and the specific heat is 1.5 to 2 times higher than that of ordinary Portland cement. Masu. As a result, it is difficult to heat up, and the heat diffuses rapidly, suppressing local temperature rises and keeping stress caused by heat extremely low.

■Ideal for environments where high temperatures are repeatedly applied

It can be used in high-temperature environments up to 1,000℃ for temporary use and 300℃ for sustained use.

■Very low water-cement ratio

Since the water-cement ratio is approximately 0.18 to 0.25, which is about half that of conventional concrete, it can suppress explosions caused by water vapor at high temperatures.

■Can be manufactured using conventional ready-mixed concrete manufacturing equipment

By simply using firelock cement instead of conventional cement and liquid additives instead of conventional admixtures, you can use conventional ready-mixed concrete plants and mobile plant equipment as is.

■Excellent workability

The setting time can be set within a wide range by adjusting the amount of additives, and the workability of pouring, finishing, and curing is equivalent to that of conventional ready-mixed concrete. Pump pressure feeding is also possible.

■Application results in the United States

・U.S. Air Force vertical take-off and landing aircraft landing sites (4 bases) ・US Navy Jet Engine Test Range ・U.S. Marine Corps Jet Engine Test Range, etc. ・Royal Air Force vertical take-off and landing area (in the UK) ・Private companies Oven foundations in bakery factories, large furnace foundations for powder coating, molten high-temperature material processing pits, etc.

  • Product

    Heat-resistant cement concrete "Firelock"

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1 Models of Heat-resistant cement concrete "Firelock"

Image Part Number Price (excluding tax) Freeze-thaw test (300 cycles) Durability index Splitting strength (MPa) 24 hours Splitting strength (MPa) 28 days Splitting strength (MPa) 7 days Compressive strength (MPa) 24 hours Compressive strength (MPa) 28 days Compressive strength (MPa) 7 days Bending strength (MPa) 24 hours Bending strength (MPa) 28 days Bending strength (MPa) 7 days Linear expansion coefficient (×10^6/℃) 28 days Static modulus (GPa) 24 hours Static modulus (GPa) 28 days Static modulus (GPa) 7 days

fire lock

Available upon quote

100

1.5

4.6

4.2

21.8

58

43.1

2.8

5.4

4.8

8.3

28.7

35

33.2

About Company Handling This Product

CTC Japan Co., Ltd.

  • Japan

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