APPROVED SOURCES

 

RETARDING, WATER REDUCING & RETARDING ADMIXTURES

PAVEMENT OR STRUCTURAL CONCRETE WITH NORMAL WORKING TIMES

 

Note:  Mixed-to-placed time period may be extended as per Iowa DOT Standard Specifications Section 2301.02, C, 4.  For patching with extended haul time, rate may be reduced to half dosage.

 

                                                                                                         DOSAGE, fl. oz/100 lb. of

                                                                                                           Cementitious Materials

BRAND NAME                PRODUCER/DISTRIBUTOR                 Typical                 Range

 

Catexol 1000 N                  AXIM Concrete Technologies                    3.5                      3.5 - 5.0

 

Catexol 1000 R                  AXIM Concrete Technologies                    1.5                      1.5 - 4.0

 

Daratard 17                        W.R. Grace & Company                            2.0                      2.0 - 8.0

 

Daratard HC                       W.R. Grace & Company                            2.0                      2.0 - 4.0

 

Delayed Set (dry powder)  Fritz-Pak                                                     1.0                      1.0 - 1.7

 

Delvo Stabilizer                  BASF Corporation                                      3.0                      3.0 - 5.0

(Hydration stabilizer*)

 

Eucon Retarder 100           Euclid Chemical Company                        2.0                      2.0 - 6.0

                                            Distributed by Brett Admixtures

 

Eucon TR                           Euclid Chemical Company                        3.0                      3.0 - 6.0

                                            Distributed by Brett Admixtures

 

FR-1 (dry powder)              Fritz-Pak                                                     1.5                      1.5 - 3.0

 

LC-400R                             RussTech                                                   3.0                      3.0 - 6.0

 

OptiFlo 100R                      Premiere Concrete Admixtures                 3.0                      2.0 - 8.0

 

OptiFlo 500                         Premiere Concrete Admixtures                 4.0                      4.0 - 8.0

 

OptiFlo Renu                      Premiere Concrete Admixtures                 3.0                      3.0 - 6.0

(Hydration stabilizer*)

 

Plastiment                           Sika Corporation                                        2.0                      2.0 - 4.0

 

Plastiment ES                     Sika Corporation                                        2.0                      2.0 - 4.0

 

Plastocrete-10N                 Sika Corporation                                        3.5                      3.5 - 5.0

 


WATER REDUCING & RETARDING ADMIXTURES

PAVEMENT OR STRUCTURAL CONCRETE WITH NORMAL WORKING TIMES

(Continued)

 

                                                                                                         DOSAGE, fl. oz/100 lb. of

                                                                                                           Cementitious Materials

BRAND NAME                PRODUCER/DISTRIBUTOR                 Typical                 Range

 

Plastocrete 161                  Sika Corporation                                        4.0                      4.0 - 6.0

 

Pozzolith 80                        BASF Corporation                                      6.0                      6.0 - 10.0

 

Pozzolith 100 XR                BASF Corporation                                      2.0                      2.0 - 4.0

 

Pozzolith 300 R                  BASF Corporation                                      3.0                      3.0 - 5.0

 

Pozzolith 322 N                  BASF Corporation                                      5.0                      5.0 - 7.0

 

Pozzolith 700 N                  BASF Corporation                                      5.0                      5.0 - 7.0

 

Polychem-R                       General Resource Technology                  2.0                      2.0 - 5.0

 

Recover                              W.R. Grace & Company                            2.0                      2.0 - 6.0

 

Sikatard 440                       Sika Corporation                                        2.0                      2.0 - 8.0

(Hydration stabilizer*)

 

Stop Set L                           AXIM Concrete Technologies                    3.0                      3.0 - 8.0

(Hydration stabilizer*)

 

V-Mar VSC500                   W.R. Grace & Company                            7.0                      7.0 - 15.0

 

WRDA with Hycol              W.R. Grace & Company                            5.0                      5.0 - 6.0

 

*The dosage rate for hydration stabilizer may vary for different applications, and check manufacturer’s recommendation before use.