Sodium Naphthalene Sulfonate (superplasticizer,high efficiency slushing agent )

Fdn-a:
Specification:
Item fdn-a item fdn-a
Solids content (%) ≥93% ph value 7-9
Na2SO4 content（%） <5% Net starch fluidity(mm) ≥250mm
Content of chloride(%) <0.3% Surface tension (n/m) 0(70 1） 10-3n/m
Parameters Criteria Actual Results Parameters Criteria Actual Reaults
Water Reduction ,% ≥20 21.8 Compression Strength,% 1d ≥180 200
3d ≥170 194
Water penetration ,% ≤90 79 7d ≥150 161
Air content ,% ≤2.0 1.6 28d >130 142
Temporal Distribution for setting (min) Initial setting time

-90-+120
+22
Shrinkage,%

28d

<130

125
Terminal setting time
+16
Corrosion to steel bars None None note:Standard Blend Dosage:0.70%(as cement amount )

Use:
Widely used in pre-cast & ready-mixed concrete, armored concrete and pre-stressed
reinforced concrete in key construction projects such as dam and port construction, road
building & town planning projects and dwelling erections etc.
Suitable for preparation of early-strength, high-strength, high-anti-filtration and
self-sealing& pumpable concrete.

Package:
25kg/bag Lined with plastic bag, outer plastic woven bag packaging film

Delivery time:
within three weeks after receipt of receipt of your deposit.

We have many years experiences for providing Ammonium sulphate to our customers. And we have already establish a stable long-term relationship with more than 30 countries. If you have any inquiries or questions, please feel free to contact us.