Water-decreasing Agent/Sodium Naphthalene Formaldehyde

Product Description:

A Highly effective super plasticizer with a set retarding effect for producing free flowing concrete. Also a substantial water reducing agent for promoting high early and ultimate strengths.

Key words:Poly Naphthalene Sulphonate Superplasticizer,PNS,High-efficency Superplasticizer Sodium Naphthalene Formaldehyde,SNF,

Sodium naphthalene,Sodium Salt of Naphthalene Sulfonate polymerized with Formaldehyde

Basic information:

1) Chemical name:Sodium Salt of Polynaphthalene Sulfonic Acid

2) CAS number:36290-04-7

3) Standard: GB 8076-2008

Specification (3 series: SNF-A,SNF-B,SNF-C):

Appearance: Light Brown Powder

Solid content:92.0% max

Sodium sulphate: A :<5% ,B:<10%,C:<18% 

Chloride content: A<0.4%,B<0.5%,C<0.8%.

pH value:7-9

Surface tension:68-72 n/m

Cement flowing rate: A>=240mm min, B>=230mm min, C>=220mm min

Concrete reducing water rate:20% min

Save cement rate: over 18%

Steel-bar corrosion: None

Packing:

25kg or 650kg .

For powder: Woven plastic bag with film liner. Net weight: 25kg ,650kg+/- 0.2 kg,26MT/40ft.