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Sodium Naphthalene Formaldehyde

Posted at: Offers to Sell and Export | Posted on: Fri 30 Apr, 2010 8:10 am | Product Category: Formaldehydes [47]
sodium naphthalene formaldehyde
Products Photos CatalogSodium Naphthalene Photos Catalog

Sodium Naphthalene Formaldehyde(SNF-5) is a member of naphthalene based high range water reducer, Main

ingredient is β-naphthyl sulfonate formaldehyde condensate, sodium sulfate≤5.0%.

Homogeneity indexes:

Testing Item Total Solid Fineness 0.315mm residue on sieve % PH Value Sodium Sulfate % Liquidity of Cement Paste mm

Enterprise Standard ≥92 ≤5 7-9 ≤5.0 ≥240

Note: standard blend dosage: 0.75% for powder (as cement amount)

Performance indexes of concrete mixed with SNF-5:

Inspection Items Inspection Criteria Actual Results

First Grade Qualified

Water Reducing Rate (%, >) 12 10 20

Ratio of Bleeding Rate(%, <) 90 95 15

Air content(%) <3.0 <4.0 2.0

Diffrence of Set Time (min) Intial -90~+120 -55

Final -42

Ratio of compressive strength(%) 1d >140 >130 156

3d >130 >120 152

7d >125 >115 146

28d >120 >110 138

Ratio of Shrinkage (%) 90d <135 82

Steel-bar Corrosion None None


Dosage rates vary depending upon the cement chemistry, amount of plasticity and/or water reduction desired. Recommended dosage range for SNF-5 is 0.5~1.0% of cement. It is highly recommended that trial mixes be prepared to determine the optimum dosage for your specific performance requirements.

Package and Ship:

Woven fabric bag with plastic liner

Net weight: 25kg / 50kg / 750kg / 875Kg

As per customer requirment

Technical Service

A trained representative is available to assist in the preparation of specifications, and the resolution of concrete problems in the field.

Company Contact:

No member photo
Contact Name: Ms.jerry Liu
Company Name: Hangzhou Lans Concrete Admixture Inc.
Email: Email
Tel: +86-0571-8893970
Fax: +86-0571-8893971
Street Address: No.40, Rd. Hongshan,
Xiaoshan, Hangzhou, Zhejiang, China
Website: http://www.lanscr.com
Member name: bingyuhai
Country: China-CN China
Member Since: 01 April 2010
Total Leads: 2 bingyuhai Import Export Business Leads
Business focus: Concrete Admixture, Water Reducer, Naphthalene Based Superplasticizer (snf), Poly-carboxylate Superplasticizer, Melanmine Based Superplasticizer
Verify: Safe Import Export Tips
Product Category: Formaldehydes [47]

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