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MUHU(China) Construction Materials Co., Ltd.

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Contact Method FDN Superplasticizer

FDN Superplasticizer

Brand Name:	muhu
Place of Origin:	Beijing

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CompanyInfo
MUHU, a leading manufacturer of concrete admixtures in China, wasestablished in 1988 in Beijing. It is specialized in concreteadmixture research, manufacturing, and distribution. The companyhas four manufacturing locations in China and produces over 70products, including high range water reducers, accelerators,retarders, anti-freezing products, coatings, adhesives/glues,water-proofing materials etc. 
These products are widely used in industrial and civil engineering,public infrastructure...
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• Annual Sales Amount: US$5 – 10Million
• Export Ratio: 61% – 70%
• OEM Services Provided: NO
• Payment Terms: T/T, L/C
• Business Type: Manufacturer, TradingCompany
• QualityCertificate:ISO9001
• Main ExportMarkets:North America, Western Europe,Eastern Europe, South America, Southeast Asia, Eastern Asia, MidEast, Oceania, Africa

FDN Superplasticizer ASTM C 494, Type F; ASTM C1017Sodium Naphthalene SulfonateFormaldehyde(Na2SO4≤5%)DescriptionFDN is a high range water reducer, highconcentrate naphthalene-based superplasticizer, also namedNaphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS,etc..FDN is made of naphthalene, sulforic acid,formalin and alkali, through sulphuration, hydrolyzation,condensation and neutralization reaction. FDN contains no chloride.Thus, it meets the requirements of chemical admixturespecifications for concrete: ASTM C 494, Type F; ASTM C 1017,GB8076-1997 and GB50119-2003.UsesFDN superplasticizer can be applied to makeflowable, strong or steam-curing concrete. The minimum workingtemperature can be as low as 0 C degree. In steam curing, concretewith superplasticizer has to be strong enough before heating. Thesteam curing specification has to be pre-tested. It is particularlyused as base material for compound admixtures.FDN possesses the features of no retarding, noair-introducing, superplastic high water-reducing and strengthenhancing. It has low alkali content, low sulfonate, and highpurity. It can be widely used in different concretes with lessdosage and easy to use.Advantages1.High water-reducing rate: FDN can reduce water more than 25%. Ithas features of superplasticizer, effectively increases concretefluidity and reduces water penetration and segregation. Therefore,improves concrete placement and makes concrete easy to use andcompacting.2.Strengthening: Given the same amount of cementand slump requirement, this product can increase the concretestress by 50-110%, 40-90%, 40-70% and 20-40% on day 1, 3, 7, and 28respectively.3. High applicability: It can be used withdifferent variety of cement. It is compatible with otheradmixtures. It may be used with expanding admixture, air entrainingadmixture as well as fly ash for supplementary and catalysticpurpose.4. Appropriate setting time: It has less effecton the initial and final setting time. The difference in settingtime generally is less than 1 hour..5. Low sodium sulfonate content: The aqueoussolution has no crystals in winter, which can avoid pipelinecongestions when FDN applied.6. Safety: No toxic, smell and radiation; nocorrosion to steel bar; no flammable and explosive material.7. Effective durability: It can modify thestructure of concrete and increase the property of anti-seepage,anti-freezing, and carbonization.8. Easy to use: It can be added directly or usedafter soluted in water. It can be used for different workingcondition and concrete mixer.Properties

Items	Criteria	Actual Results
Solid Content, %	92 min	93.38
Moisture, %	8.0max	7.1
Fineness (0.315mm remains), %<</div>	15	8
pH value	7 -9	8.62
Sodium Sulfate Content, %	5.0 max.	3.6
Chloride Content, %	1.0 max.	0.11
Surface Tension	68-72 Mn/m	71
Cement Paste Flow	240mm min	265mm
Water Reducing Rate, %	20 min	21.5
Steel-bar Corrosion	None	None

Addition RateFDN can be added directly or added in aftersoluted. It can be added during mixing and after-mixing. Theafterward approach can achieve better result. The suggestedaddition rate is 0.75%.Instruction1.Prepare solutions as required.2.Direct use of powdery agent is allowed.Alternatively the addition of the agent is followed by watermoisturization (water-cement ratio: 60%).3.The agent can be combined with other agents ifpilot development or laboratory test is satisfied.Test Data Sheet

Items	Addition Rate(C×%)	Water(g)	Slump(mm)	Water Reducing Rate (%)	Compressive Strength (MPa) / CompressiveStrength Ratio (%)
					1 day	3day	7 day	28 day
Reference Concrete	0	2555	82	----	4.34/100	13.70/100	20.19/100	24.06/100
FDN	0.75	2000	87	21.7	7.52/173.3	23.75/173.4	30.43/150.7	33.02/137.2

Package, Storage & Handling1. For powder: Woven fabric bag with plasticliner. Net weight: 25kg /- 0.13 kg.2. Cautions should be taken to prevent packagesfrom being torn by sharp-ended objects while being transferred ordelivered. When being contaminated by high humidity or moisture incase of leakage, it can be prepared in prescribed ways for furtheruse without surrendering any effect.3. It should be stored in a dedicated warehousethat is well-ventilated and dry. It remains effective in one year.After the expiration date, it can be used again if testing resultsfall within the established range.

FDN Superplasticizer