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Sodium Polynaphthalene Sulfonate

Technical summary and specification

Composition: - Sodium salt of naphthalene sulfonate Polymerized with formaldehyde
CAS Nr: 9084-06-4 or 36290-04-7
Sodium Polynaphthalene Sulfonate - is a High Range Water Reducing Superplasticizer (Sodium Polynaphthalene Sulfonate). Sodium Polynaphthalene Sulfonate is made in powder and liquid form: in condition of brown water soluble powder or dark-brown water solution, which has the concentration of minimum 32%.
Specification Data Sheet (powder form)
Parameter Specification Measurement
unit
Test method
min max
Appearance
Dark brown  
Visual
Moisture mass fraction
8.0
%
ISO 760:1978
Ph value of water solution
with 2,5% of dry substance
mass fraction
7.0
9.0
ISO 4316
Bulk density
350
kg/m3
ISO 758
Na2SO4 content
5.0
%
GOST 6848-79
Chloride content
0.1
%
EN 480-10

Certification
Certificate of factory production control
1370-CPD-0329
In compliance with the Directive 89/106/EEC of the Council of European Communities of 21 December 1988 on the approximation of laws, regulations and administrative provisions of the Member States relating to the construction products. (Construction Products Directive - CPD).1 amended by the Directive 93/68/EEC of the Council of European Communities of 22 July 1993, it has been stated that the construction product: EN 934-2: Admixtures for concrete, mortar and grout Concrete admixtures is submitted by the manufacturer to the initial type-testing of the product and to a factory production control and to the further testing of samples taken at the factory in accordance with a prescribed test plan and that -Bureau Veritas Italia SpA. - has performed the initial inspection of the factory and of the factory production control and performs the continuous surveillance, assessment and approval of the factory production control. This certificate attests that all provisions concerning the attestation of factory production control described in Annex ZA of above mentioned standards. This certificate was first issued on 1947-2010 and remains valid as long as the conditions laid down in the harmonised technical specification in reference or the manufacturing conditions in the factory or the FPC itself are not modified. significantly.

Major Application Areas
Sodium Polynaphthalene Sulfonate - Sodium Salt of Polynaphthalene Sulfonate is used as raw material in the production of admixtures for the construction industry. It is one of the basic ingredients for formulation of chemical admixtures for concrete and mortars. It has a powerful dispersing action on concrete. The main application of Sodium Polynaphthalene Sulfonate is the production of admixtures for ready-mixed concrete. Sodium Polynaphthalene Sulfonate in a powder form is used in the preparation of dry mortars. The use of admixtures based on Sodium Polynaphthalene Sulfonate for the production of flowing concrete reduces the water/cement ratio and consequently increases the strength of the hardened material.
Sodium Polynaphthalene Sulfonate as a concrete admixture is recommended to use in reinforced concrete and constructions of monolith heavy-weight concrete of high compression strength, in production of constructions of fine concrete, and also in production of dense-clad constructions, thin-slab structures and constructions with complex configuration.
The highest efficiency of superplasticizer is gained by production of high-flow mixes with the slump of 16-21 cm and higher and by gaining high-strength concretes. Sodium Polynaphthalene Sulfonate is recommended to use by the necessity of production of concrete mixes with the use of non¬standard fillers and fine sands, and also in using of slag portland cement, pozzolan and aluminous cements. 1) Sodium Polynaphthalene Sulfonate is recommended to use as the basic ingredient in the formulation of chemical concrete admixtures; 2) Sodium Polynaphthalene Sulfonate is recommended to use as high range water reducing superplasticizer for concrete.
Advantages of using Sodium Polynaphthalene Sulfonate:
• Increase concrete mix flow up to 16-21 cm and higher without lose of strength and durability of concrete (at constant water/cement ratio);
• Increase strength characteristics of concrete up to 20% and more (owing to reducing of water consumption at constant cement consumption and concrete mix flow);
• Gain concretes with high water-proofing, frost-resistance (300 cycles and more) and corrosion resistance;
• Reduce cement consumption in equally-flow mixes by 15-20%;
• Reduce time and power inputs at thermal moisture treatment of concrete;
• Greatly reduce time and power inputs for vibrating of concrete mix, and sometimes fully refuse vibrating.
Dosage Sodium Polynaphthalene Sulfonate is added into concrete and mortar mixes in condition of water solution of working concentration in the amount 0.3-0.8% of dry substance from cement mass.
Storing Shelf life of Sodium Polynaphthalene Sulfonate is: in powder form and in liquid form - 1 year.
Packing and delivery In liquid form the admixture is delivered in bulk in railway or tank cisterns of different capacity. In powder form the admixture is packed in polypropylene or paper sacks with polyethylene insert of 25-40 kg or soft containers (big-bags) up to 1000 kg and delivered by means of auto transport, railway cars and marine containers.
Safety requirements Sodium Polynaphthalene Sulfonate - is substance of fire- and explosive-safe. During work with the admixture the usage of individual security equipment (hands-safety, eyes and breathe equipment) is necessary.

 

index file generated on: Tue Mar 11 16:11:42 CET 2014


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