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36290-04-7 Dispersing Agent NNO Dispersing Agent NNO Price
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Jessica | Senior Sales | Qingdao Sigma chemical Co.,Ltd
| Address:No 70,Shandong Road,Qingdao city,China
Product name: Naphthalene Sulfonate Formaldehyde water reducer
Other name:Sodium Naphthalene,PNS
CAS:36290-04-7
I.Product General
JY-2202 Superplasticizer is a dry powdered admixture. It is produced through such a process:
1.Sulphonating refined naphthalene with sulfuric acid;
2.Condensing with formaldehyde;
3.Neutralization;
4.Filtering.
It conforms to GB8076-1997 and is mainly used for various high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slipforming concrete etc.
II.Standard Quality Targets:
Item |
Target |
Item |
Target |
Appearance |
Brownish powder |
PH Value |
7~9 |
Solid content |
≥91% |
Neat cement Grout flowability |
≥250 mm |
Na2SO4 |
<5%,10%,18% |
fineness |
0.315mm Mesh<15% |
Chloride |
<0.3% |
Surface Tension |
(70±1)×10-3N/m |
III.Main technical performances and Targets:(Dosage:C×0.7%)
Tested Data |
Standard Data |
JY-2202 |
|||
Class 1 |
Class 2 |
||||
Water reducing rate≥(%) |
12 |
10 |
20 |
||
Bleeding ratio≤(%) |
90 |
95 |
15 |
||
Air content(%) |
<3.0 |
<4.0 |
2.0 |
||
Setting time Difference(min) |
Initial setting |
-90~+120 |
-55 |
||
Final setting |
-42 |
||||
Compressive strength ratio (%) |
1d |
>140 |
>130 |
156 |
|
3d |
>130 |
>120 |
152 |
||
7d |
>125 |
>115 |
146 |
||
28d |
>120 |
>110 |
138 |
||
Shrinkage ratio(%) |
90d |
<135 |
82 |
||
Corrosion resistance |
YES OR NO |
YES |
IV.Technical Performances and Applicable Ranges:
Dosage: 0.5~1.0%( as weight of cement). Water reducing rate:20~30%.
JY-2209 in liquid form.
Item |
Targets |
Solid content |
≥32% |
Density |
≥1.18 |
Other targets |
Same as in powder form |
Recommended Dosage |
1.5~3.0% |
d sulfuric acid.
CAS NO:30123-17-2
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