sulphonated naphthalene formaldehyde admixture

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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: How many kilometers to add fuel additives: If the LZ plus the oil has been no problem, it is recommended to 20000 km when the maintenance of the engine when the cleaning and three catalytic catalytic cleaning, one can deal with the carbon deposition, and second can reduce fuel consumption. As for fuel additives, can join the Shell's fuel-efficient agent, the effect is good. Anti-wear agent and so on in the 40,000 km plus not too late, if the maintenance of good or even can not increase. Quietly in fact, the role of anti-wear agent is not very obvious. If the oil is not good, such as has been used in unleaded petrol, suddenly added a ethanol gasoline, which need to add a recovery agent.

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Q: Is there a difference?: additive inverse is the number you have to add to a number to make it zero if x is the number, the additive inverse is -x additive identity is the number you add to x to make it x this is always 0

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