Sulphonated Naphthalene Formaldehyde Powder
SPP is a sodium salt of poly naphthalene sulphonic acid. It is used as a highly effective water-soluble superplasticizer for concrete. It possesses a powerful water-reducing and dispersing ability whereby high-strength, flowing & self-leveling concrete can be produced. Sprea plasticizer is practically chloride free so it doesn't pose any corrosion hazards to steel reinforcement.
| Parameter | |||||
|---|---|---|---|---|---|
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Parameter |
Value |
Unit |
||
|
(1) Low |
(2) Medium |
(3) High |
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|
Sodium sulfate content |
1.0-3.0 |
7.0-9.0 |
12 max |
% |
|
Appearance and form |
Beige to brownish free-flowing powder |
|
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|
Ionic nature |
Anionic |
|
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|
Solid content |
94+1 |
% |
||
|
pH 10% solution |
7-9 |
|
||
|
Bulk density |
0.65+0.02 |
gm/cm3 |
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|
Solubility |
Soluble in water in all proportions |
|
||
|
Moisture content |
5 - 7 |
% |
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|
Chlorides |
500 max |
ppm |
||
|
Insolubles |
0.5 max |
% |
||
|
Free formaldehyde |
0.1 max |
% |
||
- Ready mix concrete.
- Pre-cast and pre-stressed concrete.
- Marine concrete.
- Gunite concrete.(shotcrete)
- Flowable and pumpable concrete.
- High-performance concrete.
- High fluidity concrete.
- High-strength concrete for dams bridges and high buildings.
- Self-compacting concrete.
- High-durable concrete.
Packing: SPP is supplied in 25 kg HDPE bags, 500 kg &1000 kg big bags
Handling: SPP is an alkaline material that may cause irritation to the eyes and skin on direct and prolonged contact. Hands should be thoroughly washed with soap & water before meals & at the end of the working day. Use safety goggles and hand gloves while handling the product.
Storage: It is recommended to store SPP at 25 – 30 0C in original packing protected from direct sunlight to give a shelf life of not less than one year.
