sulphonated naphthalene formaldehyde admixture

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Quick Details

  • Classification:Chemical Auxiliary Agent

  • CAS No.:29321-75-3

  • Place of Origin: China (Mainland)

  • Appearance:Light brown powder

  • Solid content:92% Min

  • Sodium Sulphate content:5%,10%,18%

  • PH Value:7-9

  • Water-reducing ratio:18%-28%

Packaging & Delivery

Packaging Details:25kgs per bag,40kgs per bag and 750kgs per UV bulk bag.
Delivery Detail:10days after sales confirmed

Specifications

We specialize in manufacturing FDN-A,B,C of sulphonated naphthalene formaldehyde.Our production capacity is 300,000 tons/year.

SULPHONATED NAPHTHALENE FORMALDEHYDE

1.Product General

FDN-A ,FDN-B,AND FDN-C Superplasticizer is a dry powdered admixture. It is produced through such a process: 1) sulphonating refined naphthalene with sulfuric acid, 2) condensing with formaldehyde, 3) neutralization, and 4) filtering. It conforms to GB8076-1997 and is mainly used for various high-strength concrete, steel concrete, prestressed concrete, large formwork concrete, slipforming concrete etc.

2.Standard Quality Targets:

FDN-A

item

target

item

target

appearance

Brownish powder

PH    Value

7--9

Solid content

≥92%

Neat cement Grout flowability

≥250 mm

Na2SO4

5% MAX.

fineness

0.315mm Mesh<15

Chloride

0.3%MAX

Surface Tension

(71±1)×10-3N/ m

FDN-B

item

target

item

target

appearance

Brownish powder

PH    Value

7--9

Solid content

≥92%

Neat cement Grout flowability

≥240 mm

Na2So4

10%MAX.

fineness

0.315mm Mesh<15

Chloride

0.4%MAX

Surface Tension

(71±1)×10-3N/ m

FDN-C

item

target

item

target

appearance

Brownish powder

PH    Value

7--9

Solid content

≥92%

Neat cement Grout flowability

≥230 mm

Na2So4

20%MAX

fineness

0.315mm Mesh<15

Chloride

0.5%MAX.

Surface Tension

(71±1)×10-3N/ m

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Q:Is there pure food on the market with food additives? What is it?
Generally can be added dispersant, thickener, but not necessarily, you can see marked.
Q:Fuel/oil additive questions?
they are safe, for the most part. as a rule of thumb, put a bottle of fuel injector cleaner in your tank at every oil change. we pay a lot for gas, but are getting less detergents. a lot of fuel additives are primarily kerosene that's been modified chemically. Use something like Techron or Seafoam, Gumout or Redline's complete fuel system cleaner. the oil additives, they serve a purpose, if you need them. some will thicken oil to increase compression if you have that problem, others are designed to stop leaks from the seals, sometime they work, but it depends on the leak. there's an additive by Lucas, called oil stabilizer, it works very well, I use it mainly in the summertime because our california sun is so blistering hot, and I sit in traffic quite a bit, I let the oil stabilizer do its magic. it makes the oil morestickier", so it adheres to the parts better (and longer). It also helps rejuvenate the rubber seals so they won't leak. My car has 174,000 miles, and I have never replaced a seal or gasket yet. what's your car doing or not doing? that depends on what addtive you should or shouldn't use. a lot additives out there I consider snake oil. essentially they have to work somewhat, but some are more potent than others, and yes, I've tried them all.
Q:Find the additive inverse of -9 on the 12-hour clock?
The additive inverse is the number that makes another number equal to zero when added. For example, 4 and -4 are additive inverses because -4 + 4 = 0. On a clock, there is no zero. 12 represents zero. To find the inverse of -9 on the 12 hour clock, find the number that adds to -9 to make 12. Subtract -9 from 12 or use algebra: -9 + x = 12 x = 21 The additive inverse of -9 on a 12 hour clock is 21. Hope this helps!
Q:Difference between Additive Colour and Subtractive Colour?
Additive Vs Subtractive Color
Q:What food additives can not eat
Colorants, emulsifiers, thickeners, preservatives, nutritional supplements, etc. Such as sunset yellow, carmine and caramel pigment is a permit for the use of food pigments.
Q:Does red wine contain food additives?
Genuine is not there
Q:Is the water treatment additive a chemical raw material?
The water treatment additive is an inorganic polymer coagulant. Mainly through the compressed double layer, adsorption and neutralization, adsorption bridge, sediment and other mechanisms of the role of sediment, so that the water suspended particles and colloidal ions destabilize, aggregation, flocculation, coagulation, precipitation, to achieve the effect of purification.
Q:what is additive inverse?
The additive inverse of a number is that number which would be added to it to reach a sum of zero. It is also called the opposite, because (except in the case of zero) it has the same magnitude, but opposite sign. additive inverse of 7 = -7 additive inverse of -5 = 5 additive inverse of 0 = 0
Q:Is pepper a food additive?
Does not belong to additives, are natural spices.
Q:Is the potassium pyrosulfite in red wine harmful to the body?
should not.

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