WATCHEM SLUMP
SLUMP RETAINING, RETARDING SUPERPLASTCIZER |
| DESCRIPTION |
Watchem SLUMP is specially formulated admixture based on sulfonated naphthalene polymer modified carbohydrates. It is supplied as dark brown colored liquid miscible with water. |
STANDARD
Confirms to IS: 9103:1999 and ASTM –C 494M – 99a,1999 Type G as slump retaining, retarding superplasticizer. |
SALIENT FEATURES
- Increased workability at reduced water.
- Flowing yet very cohesive concrete is produced which can easily be pumped.
- High early strength due to high water reduction.
- Due to increased workability, placing and compaction is easier.
- Chloride free
- Resultant savings in time and cost.
|
APPLICATIONS
- High Performance concrete,
- Workability retention concrete,
- Safe for use in pre stressed and reinforced concrete,
- Hot weather concreting where rapid slump loss occurs.
|
DIRECTIONS FOR USE
Watchem SLUMP is added to pre wetted concrete mix at a rate of 0.5 to 0.7 Lt. per bag of cement .However actual site trials have to be carried out to minimize the optimum dose for the intended application. The measured quantity of Watchem SLUMP is mixed with part of gauging water and then added to the mix. For further assistance in optimum dosage trials and design mix please contact our Technical Service Department.
|
COMPATIBILITY
Compatible with all types of cement It is also compatible with other WA`TCHEM’S CONCRETE ADMIXTURES, but should be added separately. |
TYPICAL ANALYSIS
- Appearance - Dark brown colored liquid
- pH - 7.0 to 9.0
- Sp. Gr. @ 30 c - 1.22 ± 0.02
- Chlorides - nil
|
TECHNICAL DATA
The following results were obtained under normal laboratory conditions.
Mix Design : M-20
Cement - 307 Kg/m3.
Sand Zone II - 38 %
Coarse Aggregate (5-20 mm ) - 62 % |
Admixture |
Test |
Dosage
Per 50 kg
cement |
W/C Ratio |
Slump |
Compressive strength N/mm2 |
0
min. |
2 : 00
hour |
3
day |
7
day |
28
day |
Control |
------ |
------ |
0.62 |
55 |
---- |
17 |
20.5 |
26 |
Watchem SLUMP |
Strength
increased |
0.600 Ltr. |
0.50 |
55 |
---- |
23 |
26 |
34.5 |
| Watchem SLUMP |
workability
increased |
0.600 Ltr. |
0.62 |
160 |
80 |
16 |
21 |
30 |
|
PACKING
Watchem SLUMP is available in 1 & 5 Lts. HDPE / 9-16 MT Bulk |
| |
STORAGE
Watchem SLUMP should be stored preferably in shade and in original containers. It has a shelf life of 12 months when stored in cool & dry place. |
HEALTH & SAFETY
Watchem SLUMP is non toxic, non- hazardous . Usual precautions like wearing gloves and goggles when handling should be followed. Accidental splashes on skin and in eyes should be washed off with plenty of plain water.
If necessary seek medical advice.. |
