PORTLAND SUPER Type A to G

Chemical Admixtures for Concrete

 

\PORTLAND  SUPER Type A : Water-reducing admixtures,

\PORTLAND  SUPER Type B : Retarding admixtures,

\PORTLAND  SUPER Type C : Accelerating admixtures,

\PORTLAND  SUPER Type D : Water-reducing and retarding admixtures,

\PORTLAND  SUPER Type E : Water-reducing and accelerating admixtures,

\PORTLAND  SUPER Type F : Water-reducing, high range admixture,

\PORTLAND  SUPER Type G : Water-reducing, high range and retarding admixtures

 

 

 

Type A

Type B

Type C

Type D

Type E

Type F

Type G

Water content, max, % of control

95

-

-

95

95

88

88

Time of setting ,allowable deviation from control, h:min:

Initial : at least

   not more than

 

 

-

1:00 earlier nor 1:30 later

 

 

1:00 later

3:30 later

 

 

1:00 later

3:30 later

 

 

1:00 later

3:30 later

 

 

1:00 later

3:30 later

 

 

-

1:00 earlier nor 1:30 later

 

 

1:00 later

3:30 later

Final : at least

   not more than

-

1:00 earlier nor 1:30 later

-

3:30 later

1:00 earlier

-

-

3:30 later

1:00 earlier

-

-

1:00 earlier nor 1:30 later

-

3:30 later

Compressive strength, min, % of control

   1 day

   3 days

   7 days

   28 days

   90 days

   6 months

   1 year

 

 

-

110

110

110

 

100

100

 

 

-

90

90

90

n/a

90

90

 

 

-

125

100

100

n/a

90

90

 

 

-

110

110

110

 

100

100

 

 

-

125

110

110

n/a

100

100

 

 

140

125

115

110

 

100

100

 

 

125

125

115

110

 

100

100

Flexural strength, min, % of control

   3 days

   7 days

   28 days

 

 

100

100

100

 

 

90

90

90

 

 

110

100

90

 

 

100

100

100

 

 

110

100

100

 

 

110

100

100

 

 

110

100

100

Length change, max shrinkage (alternative requirements)

Percent of control

   Increase over control

Relative durability factor,

 

 

135

0.010

80

 

 

135

0.010

80

 

 

135

0.010

80

 

 

135

0.010

80

 

 

135

0.010

80

 

 

135

0.010

80

 

 

135

0.010

80