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Concrete Admixtures

ANTI-FREEZING AGENT

Summarize
anti-freezing agent is made up of antifreezing, water reducing, air-entraining, keep model .It has good anti-freezing effect ,high water reducing rate ,keep model,early strength.Without chlorides and ammonia, low-alkali environment-friendly product .

Performance
appearance: light brown powder
fineness:100% pass the 315 mesh
water ratio:<3%
the cement net fluidity:≥160mm

Instruction
Volume varies with the temperature,
-5℃:3%-4%
-10℃:4%-5%
-15℃:5% -7%
-25℃:6%-8%
The concrete temperature in winter :>5℃
It is unnecessary to add other admixtures ,it should be strengthen the early regenerative heat conservation for its high fluidity

Technical Data:


Items

Standard

Result(WD-1powder)

Water reducing rate(%)

≥8

14.7

Air content(%)

≥2.5

3.2

       Bleeding rate(%)

≤100

35

Ratio of  compressive  strength(%)

set point of temperature  ℃

-5

-10

-15

-5

-10

-15

R-7d

20

12

10

40

25

20

R28d

95

95

90

120

120

120

R-7+28d

95

90

85

115

110

112

R-7+256d

100

125

130

128

difference in setting time
(mm)

initial set

-120~+120

+30

final set

-120~+120

+45

Impermeability height ratio(%)

≤100

70

alkali content(%)

≤1

0.72

50 times freeze-thaw strength loss rate (%)

≤100

55

effect on corrosion for steel

Instrution

No

Application
High performance concrete ,strong fluidity concrete , pumping concrete, merchandise concrete.





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