Detailed Product Description

Sodium Naphthalene Sulfonate Formaldehyde, also called polynaphthelene sulphate sodium salt or FDN Superplasticizer is a dry powdered admixture, and is mainly used for various high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slip forming concrete etc.

Specification:

Appearance: Yellow powder

Solid Content: 93% min

Sodium Sulphate: 5% max, 10% max,or 20% max

Fineness:0.315mm mesh 15% max

PH Value: 7-9

Chloride: 0.3% max

Neat Cement Grout flowability: 250

Technical Performances and Applicable Ranges:

1. Dosage 0.51.2( as weight of cement). Water reducing rate1530.

2. Keep strength unchanged,Use of this product can save cement consumption by 15-20%.

3. When dosage is 0.7%(solid), Slump can be increased by 4-8 times.

4. The product is suitable for manufacturing high strength concrete, Accelerating strength concrete, flowing state concrete, pre-cast concrete and pre-stressed concrete, etc.

5. Compressive strength, bending strength, impermeability and freeze-thaw resistance are remarkably increased.

other information:

Packing: 25kg PP woven bags with PE liner inside, or jumbo bags of 750kgs