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Amino-arylsulphonate phenol formaldehyde condensate,ASTM C 494 Type F
Amino-Arylsulphonate Phenol Formaldehyde Condensate（AS）is a high range of water reducer, commonly referred to as a superplasticizer. It is an aqueous solution of a modified amino sulfonate and organic compounds. It contains no added chloride and meets the requirements of chemical admixture specifications for concrete: ASTM C 494, Type F.
1. AS has the advantages of no air-introducing, low addition rate, low slump loss, and decreasing viscosity. At normal condition, it can be prepared for flowable concrete of C60-C80 without using strength enhancing agent.
2. Applicable in any silicate concrete. It has almost the same effect on the setting time for different cement. No abnormal setting would appear.
3. Applicable in concrete precasting and steam-curing for both industrial and civil construction project.
4. Applicable for commercial concrete. Available for base material for compound admixtures, flowable and self-compacting concrete,
5. It can be mixed with Naphthalene-based superplasticizer which can achieve better water reducing rate and high strength performance.
6. AS is ideal for use in prestress, precast, bridge deck or any concrete where it is desired to keep the water/cement ratio to a minimum and still achieve the degree of workability necessary to provide easy placement and consolidation.
1. Low addition rate: For solid product, the addition rate is 0.4-0.6%. Over addition will cause cement particles dispersed, which will reduce water reservation and increase bleeding and segregation.
2. Low slump loss: It can satisfy the requirement of long time and distance transportation. It is ideal for commercial and pumping concrete.
3. Effective durability. It has the property of high volume stability, anti-seepage and anti-freezing.
4. Wide applicability. It can be used with different variety of cement.
5. Low alkali content: It can prevent alkali-aggregate reaction. When it is used in winter, there is no crystals.
6. AS can make high-slump flowing concrete. It allows concrete to be produced with very low water/cement ratios at low or normal slumps.
7. Compatible with Portland cement, normal Portland cement, Portland slag cement, fly-ash cement and Portland pozzolanic cement etc.
Visual Appearance Brownish Red Color Powder Form
Solid Content (%) 93
Fineness (0.315mm remains), % ≤15
Density (g/cm3) 1.17±0.02
Cement Paste Flow (mm) 230
Alkali Content (%) 0.5 max
Chloride Content (%) 0
pH Value 7~9
Steel Bar Corrosion None
Test Data Sheet
Items Addition Rate
Rate (%) Compressive Strength (MPa) ／
Compressive Strength Ratio (%)
1 day 3 day 7 day 28 day
Concrete 0 2650 76 ----- 6.65/100 15.28/100 19.00/100 26.13/100
AS 0.45 2300 78 20.1 10.76/161.8 21.69/142.0 30.95/162.9 37.53/143.6
Package, Storage & Handling
1. Packed in woven fabric bag with plastic liner. Net weight: 25 kg +/- 0.13 kg.
2. Cautions should be taken to prevent packages from being torn by sharp-ended objects while being transferred or delivered. When being contaminated by high humidity or moisture in case of leakage, it can be prepared in prescribed ways for further use without surrendering any effect.
3. It should be stored in a dedicated warehouse that is well-ventilated and dry. It remains effective in one year. After the expiration date, it can be used again if testing results fall within the established range.
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Superplasticizer, chemicals for concrete, dry mortor admixtures, high-strength non-shrink grouting, Building adhesive/sealant, coating, special cement
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