UNF-C Naphthalene sulphonate formaldehyde

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Quick Details

  • Place of Origin:China (Mainland)

  • Model Number:UNF-C

  • Appearance:Light brown powder

  • Solid content:92%Min

  • Sodium sulphate content:18%Max

  • PH Value:7-9

  • Water-reducing ratio:16%-22%

Packaging & Delivery

Packaging Details:25kgs/40kgs/750kgs weaved bags with plstic inner,with/without pallets.
Delivery Detail:10days after sales confirmed

Specifications

Manufacturer selling,annual output 300,000MT,perfect quality and competitive price

 

1.Remarkable Plasticity: As a condition of blending where amount of cement and collapsibility are fixed aforehand, mixing water can be decreased by 16-22% when it is admixed with reinforced concrete at 0.5-1.0%. Statistically, compression strength on the lst day, the 3 rd day and the 28 th day after single application is increased by 60-95% and 25-50% respectively when it is added at standard blend dosage. As a result, compression strength, tensile strength, buckling strength and modulus of elasticity will be improved to some extent.
2. Improve miscibility of concrete amalgamator with water and collapsibility as well. As a condition of equivalent blending, collapsibility can be increased 4-7 times when it is added at 0.7% blend dosage.
3. 15-18% of cement can be reserved when the agent is blended at 0.7% blend dosage, which is preconditioned by same collapsibility and strength.

PARAMETERS & ACCEPTANCE CRITERLA  

model  

item    

UNF-C

net starch fluidity (mm )

≥ 230

content of Cl (%)

0.4

PH value

7-9

surface tension(N/m)

(7 1 ± 1) × 10 -3

solids content(%)

≥ 92

Na 2 SO 4 content(%)

≤20

PARAMETERS & ACCEPTANCE CRITERIA FOR REFERENCE

Parameters

Criteria

Actual Results

Parameters

Criteria

Actual Results

Water Reduction, %

≥ 18

18.5

Compression strength, %

1d

≥ 180

200

Water Penetration, %

≤ 90

79

3d

≥ 170

194

Air Content, %

≤ 2.0

1.6

7d

≥ 150

161

Temporal Distribution for setting (min)

Initial setting time

-9 0 +120

+20

28d

≥ 130

142

Terminal setting time

+13

Shrinkage, %

28d

≤ 130

125

Corrosion to steel bars

None

None

Note: Standard Blend Dosage:0.7 %(as cement amount)

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Q:And its inside there are additives Mody
No, only water, sugar, Chinese herbal medicine.
Q:Additives and formulations for refractory materials
Add FDN
Q:According to the provisions of the state, the use of food additives need to have what conditions
Should not cover up the food spoilage metamorphosis |
Q:What are the types of paint additives?
User's answer more types of additives. Commonly used hardeners, retarders, matting agents and softeners. The additive used to accelerate the hardening and increase the gloss is called the hardener; the slow drying is called the retarder; the matte weaker is called the matting agent; the elasticity for the paint layer is called the softener.
Q:Uses of food additives?
thıs topıc very extremely. ever food addtıtıves has standart to use . whıch addtivites that to use do you want to learn? they are seperatıng ın them colours preservatıves emulsıfıer so on......... :) good luck...
Q:C30 concrete without waterproof additives to achieve S6 waterproof it?
C30 concrete without waterproof admixture can also achieve the effect of S6, as long as the concrete vibrating dense, water-cement ratio control, the field without admixture, you can also add some cement instead.
Q:Additive function a: R → R is an increasing function .it is continus.why?
If your notation is correct, then the range of the function is the Real Number set and is increasing. This suggests the graph of the function is smooth. As long as there are no breaks in the graph and it is smooth on its entire domain (or whatever interval you're considering) it is considered 'continuous'.
Q:How to the find additive inverse of something?
Must sum to zero hence answers are 1 - ( a + b + c ) 2 - ( 8x - 6y + 13) 3 - (-2c + 5d - 3e + 4f)
Q:Is starch an additive?
I think it is not entirely, food additives are used to improve the quality of food, to extend the food shelf life, to facilitate food processing and increase the nutritional content of food a class of chemical synthesis or natural substances.But starch harmless to the human body, no limited use, and Some ingredients, accessories also have to improve the role of food, it should be ingredients or accessories
Q:Is it illegal to add hydrogen peroxide to food?
GB2760-1996 (-2002) stipulates that: hydrogen peroxide can be used as food additives, but can only be used for fresh milk and bag tofu, raw milk preservation limited to Heilongjiang , The use of Inner Mongolia, while in the bag tofu project, no residue, the use of hydrogen in other foods must be strictly approved by the Ministry of Health.

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