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Naphthalene Water Reducer

 
FDN-A High-Efficiency Superplasticizer
1.      Properties, Features & Characteristics(FDN-A)
1)      Appearance: Light brown powder & dark brown liquid. Non-poisonous, odorless, non-flammable and non-corrosive to steel bars.
2)      Remarkable Plasticity: As a condition of blending where amount of cement and collapsibility are fixed aforehand, mixing water can be decreased by 18-28% when it is admixed with reinforced concrete at 0.5%-1.0%.Statistically, compression strength on the 1st day, the 3rd day and the 28th day after single application is increased by 60%-90% and 25%-60% respectively when it is added at standard blend dosage As the result, compression strength,tensile strength,buckling strength and modulus of elasticity will be improved to some extent.
3)      Improve miscibility of concrete amalgamator with water and collapsibility as well. As a condition of equivalent blending,collapsibility can be increased 5-8 times when it is added at 0.75% blend dosage.
4)      15-20% of cement can be reserved when the agent is blended at 0.75% blend dosage,which is preconditioned by same collapsibility and strength.
2.      Parameters & Acceptance Criteria (FDN-A)
Items FDN-A Items FDN-A
Solidds content(%) ≥92% PH value 7-9
Na2SO4 content(%) <5% Net starch fluidity (mm) ≥250 mm
Content of Chloride(%) <0.3% Surface tension(N/m) (70±1)×103N/m
 
3.      Parameters &Acceptance Criteria (FDN-A for reference)
Parameters Criteria Actual Results Parameters Criteria Actual Results
Water Reduction,% ≥14 18-28 Compression
Strength,%
1d ≥140 170
Water Penetration,% ≤90 79 3d ≥130 160
Air Content,% ≤3.0 1.6 7d ≥125 145
Temporal Distribution for setting(min) Initial setting time -9.0~+120 -9.0~+120 28d ≥120 135
Terminal setting time
Corrosion to steel bars None None Shrinkage,% 28d ≤135 82
Note: Standard Blend Dosage: 0.75% (as cement amount)
4.      Usage
1)      Blending dosage at 0.5%-1.0%,0.75 mixing dosage advised.
2)      Prepare solutions as required.
3)      Direct use of powder agent is allowed. Alternatively the addition of the agent is followed by water moisturization (water-cement ratio: 60%)
4)      The agent can be combined with other externally applied agents if pilot development or laboratory experiment succeeds.
FDN-B High-Efficiency Superplasticizer
1.Properties, Features & Characteristics(FDN-B)
5)      Appearance: Light brown powder & dark brown liquid. Non-poisonous, odorless, non-flammable and non-corrosive to steel bars.
6)      Remarkable Plasticity: As a condition of blending where amount of cement and collapsibility are fixed aforehand, mixing water can be decreased by 17-25% when it is admixed with reinforced concrete at 0.5%-1.0%.Statistically, compression strength on the 1st day, the 3rd day and the 28th day after single application is increased by 60%-95% and 25%-50% respectively when it is added at standard blend dosage As the result, compression strength,tensile strength,buckling strength and modulus of elasticity will be improved to some extent.
7)      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 0.75% blend dosage.
8)      15-18% of cement can be reserved when the agent is blended at 0.75% blend dosage,which is preconditioned by same collapsibility and strength.
2.Parameters & Acceptance Criteria (FDN-B)
Items FDN-B Items FDN-B
Solidds content(%) ≥92% PH value 7-9
Na2SO4 content(%) <10% Net starch fluidity (mm) ≥240 mm
Content of Chloride(%) <0.4% Surface tension(N/m) (70±1)×103N/m
 
3.Parameters &Acceptance Criteria (FDN-B for reference)
Parameters Criteria Actual Results Parameters Criteria Actual Results
Water Reduction,% ≥14 17-25 Compression
Strength,%
1d ≥140 165
Water Penetration,% ≤90 80 3d ≥130 155
Air Content,% ≤3.0 1.6 7d ≥125 140
Temporal Distribution for setting(min) Initial setting time -9.0~+120 -9.0~+120 28d ≥120 130
Terminal setting time
Corrosion to steel bars None None Shrinkage,% 28d ≤135 85
Note: Standard Blend Dosage: 0.75% (as cement amount)
4.Usage
5)      Blending dosage at 0.5%-1.0%,0.75 mixing dosage advised.
6)      Prepare solutions as required.
7)      Direct use of powder agent is allowed. Alternatively the addition of the agent is followed by water moisturization (water-cement ratio: 60%)
8)      The agent can be combined with other externally applied agents if pilot development or laboratory experiment succeeds.
FDN-C High-Efficiency Superplasticizer
1.Properties, Features & Characteristics(FDN-C)
9)      Appearance: Light brown powder & dark brown liquid. Non-poisonous, odorless, non-flammable and non-corrosive to steel bars.
10)  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 1st day, the 3rd day and the 28th day after single application is increased by 60%-95% and 25%-40% respectively when it is added at standard blend dosage As the result, compression strength,tensile strength,buckling strength and modulus of elasticity will be improved to some extent.
11)  Improve miscibility of concrete amalgamator with water and collapsibility as well. As a condition of equivalent blending,collapsibility can be increased 4-6 times when it is added at 0.75% blend dosage.
12)  15-18% of cement can be reserved when the agent is blended at 0.75% blend dosage,which is preconditioned by same collapsibility and strength.
2.Parameters & Acceptance Criteria (FDN-C)
Items FDN-C Items FDN-C
Solidds content(%) ≥92% PH value 7-9
Na2SO4 content(%) <20% Net starch fluidity (mm) ≥230 mm
Content of Chloride(%) <0.5% Surface tension(N/m) (70±1)×103N/m
 
3.Parameters &Acceptance Criteria (FDN-B for reference)
Parameters Criteria Actual Results Parameters Criteria Actual Results
Water Reduction,% ≥14 16-22 Compression
Strength,%
1d ≥140 160
Water Penetration,% ≤90 85 3d ≥130 150
Air Content,% ≤3.0 2.0 7d ≥125 140
Temporal Distribution for setting(min) Initial setting time -9.0~+120 -9.0~+120 28d ≥120 125
Terminal setting time
Corrosion to steel bars None None Shrinkage,% 28d ≤135 88
Note: Standard Blend Dosage: 0.75% (as cement amount)
4.Usage
9)      Blending dosage at 0.5%-1.0%,0.75 mixing dosage advised.
10)  Prepare solutions as required.
11)  Direct use of powder agent is allowed. Alternatively the addition of the agent is followed by water moisturization (water-cement ratio: 60%)
12)  The agent can be combined with other externally applied agents if pilot development or laboratory experiment succeeds.
 
5.Storage and Package
Store in cool,dry and ventilated place
25kg craft paper bag lined with pp bag
 
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