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China factory low price sodium naphthalene sulphonate for construction
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| Post Date: | Sep 14,2020 |
| Expiry Date: | Sep 14,2021 |
| Detailed Description: |
Cas No. :7681-57-4
Quantity: 15Metric Tons Price:550 USD Metric Tons Payment Method: T/T, DP, LC at sight Sodium Naphthalene Sulphonate [Chemical name] Sodium Metabisulphite [Cas No.] 7681-57-4 [Molecular formula] Na2S2O5 [Molecular weight] 190.09 [standard] GB/T1983-2008 [Specification] [Quality index] Standard Na2S2O5 97.0% min Sulfur dioxide (SO2) 65.0% min Heavy metals (as Pb) 0.0001% max Water insoluble 0.05% max PH value 4.0-4.8 Iron (Fe) 0.005% max Naphthalene formaldehyde sulphonate water reducing agent is a synthetic powder based onbeta-sulphonate formaldehyde ondensate and reactive polymer. It has the properties of high range water reduction, set retarding and excellent strengthening. Elt-nsf sodium sulfate is less than 10% , suitable to middle strength or high strength concrete where high range water reduction is desired. Application: A. Used for and widely for self-cured, vapor-cured concrete and its formulations. At the early stage of application, extremely prominent effects are shown. As the result, the modulus and site utilization can be drastically, the procedure of vapor cure is omitted in peak-heat summer days. Statistically 40-60 metric tons of coal will be preserved when a metric ton of the material is consumed. B.Suitable for preparation of early-strength, high-strength, high-anti-filtration and self-sealing& pumpable concrete. C.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. D.Compatible with Portland cement, normal Portland cement, Portland slag cement, fly-ash cement and Portland pozzolanic cement etc. |
| CAS Registry Number: | 7681-57-4 |
| Synonyms: | ;Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade); |
| Molecular Formula: | Na2S2O5 |
| Molecular Weight: | 190.1065 |
| Molecular Structure: | 
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| Hazard Symbols: |  Xn:Harmful; |
| Risk Codes: | R22:; R31:; R41:; |
| Safety Description: | S26:; S39:; S46:; |
| Company: | YIGYOOLY CHEMICALS CO., LTD. [ China ] |
| Contact: | AGIO YOUNG |
| Tel: | +8618907980616 |
| Fax: | +8618907980616 |
| Email: | agio@yigyooly.com |
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