Sodium Salt of Polynaphthalene Sulfonic Acid (PNS)

Product Description
1. Sodium Salt of Polynaphthalene Sulfonic Acid (PNS)

Basic information:
1) Chemical name: Sodium Naphthalene Formaldehyde(SNF/FDN-A)
2) CAS number: 36290-04-7
3) Standard: GB 8076-1997
4) Molecular weight: 480.44

Specification:
Appearance: Brown powder
Solid content: 92.0% min
Sodium sulphate: 5%/10%/18% max
Chloride content: 0.3% max
pH value: 7-8
Fineness: 5.0% max
Surface tension: 68-72mn/m
Density: 1.003g/cm3
Cement flowing rate: 240mm min
Concrete reducing water rate: 20% min
Steel-bar corrosion: None

Application:
Mainly used for formulating concrete superplasticizer, high high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slip forming concrete etc, as a water reducing agent.

2. Sodium Gluconate(Tech Grade)

Molecular Formula: C6H11NaO7
Molecular Weight: 218.13
Melting Point: 205-209 DEG. C
CAS No: 527-07-1

Appearance: White or yellow crystalline powder or granula
Identification: Meets the requirements
Loss on drying: 1.0% max
Heavy metals(pb): 0.002% max
Lead: 0.001% max
Chloride: 0.07% max
Sulphate: 0.05% max
Arsenic: 3ppm max
Reducing substances: 0.5% max
Assay: 98.0% min

Application:
Agrochemicals, construction, ink, pains and dyes, metal finishing, paper auxiliaries, photo chemicals, textile, auxiliaries, water treatment.

Packing: Packed in 25kgs plastic woven bags.