• sulphonated naphthalene formaldehyde admixture System 1
sulphonated naphthalene formaldehyde admixture

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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thin pads,.,,,,,fading from overuse
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the previous owners left two cans of FUEL ! with maybe some brake fluid and bit of kero and whatever. you are meant to use fresh unleaded fuel or problems sure you can take the risk on stale fuel but could be somethine else then you buy a new lawnmower because you don't know what else is in that fuel they left it because they did not want a bar of it. don't use the gas and find out how to dispose of it correctly.
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China Food Additives Production and Application Industry Association
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it abs is the anti lock brake system it just means you have them and the light is prolly messed up
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Primary school teachers to teach plus alum
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Anything that is added into food that isnt natural

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