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Mar-19-13
Polycarboxylate superplasticizer-liquid 50

Polycarboxylate Superplasticizer-Liquid 50

(1.3)
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MOQ: Not Specified
  Muhu (China) Construction Materials Co., Ltd.
Supplier From Beijing, China
Supplier Of Waterproofing Material   |   Construction Materials
 
Description
Polycarboxylate Superplasticizer concrete admixture (50%) is a high performance, 100% poly-carboxylate based polymer, also named PCE.

Polycarboxylate Superplasticizer concrete admixture (50%) is specifically developed as an effective dispersant, fluidifier and high range water reducing agent for concrete and other mineral materials, which is air entraining. It complies with ASTM C 494, Type F specifications.

Application
(1) As a new generation of environmental friendly concrete admixtures, Polycarboxylate Superplasticizer concrete admixture (50%) can be applied in hydraulic, electricity, port, bridge, railway, tunnels and highway.
(2) In the production of self-compact precast concrete and conventional concrete, Polycarboxylate Superplasticizer concrete admixture (50%) leads to low water/cement ratios, but maintains a normal level of workability.


Features and Benefits
1. Excellent compatibility with various types of cements.
2. High Water Reducing Rate: Low dosage, and low slump loss.
3Low chloride and alkali content, no corrosion to steel-bar.
4. High Stability: Neither precipitation nor layers at low temperature.
5. Environmental Friendly: Free from formaldehyde and nontoxic.

Uses and Dosages
1. When Polycarboxylate Superplasticizer concrete admixture (50%) is applied, the dosage normally ranges from 0.3% to 1.2% of the weight of cementitious material in 1m3 of concrete. In order to optimize the dosage, experiments are required before the adoption of it or changing of the cement type.
2. Recommended dosage: 0.4% of the weight of cementitious material in 1m3 of concrete.
When applied in ready-mixed station, it should be diluted into solution with the concentration of 10% and the recommended dosage thereafter is 2% of the weight of cementitious materials. For example, 100kg of Polycarboxylate Superplasticizer concrete admixture (50%) (50% concentration) can be mixed with 400kg of water to make solution of 10% concentration.
3. Polycarboxylate Superplasticizer concrete admixture (50%) can be added into cement paste together with water or after mixing, while the latter approach is preferred.
4. Polycarboxylate Superplasticizer concrete admixture (50%) is alkalescent, nontoxic, non-corrosive and environmental friendly. If it gets onto skin or in the eyes, please wash it off with clean water at once. If there is skin allergy, please see a doctor.
5. Do not mix it with naphthalene-based admixtures. If other admixtures, such as set retarder or corrosion-inhibiting admixture, are required simultaneously for some special projects, compatibility tests should be conducted beforehand.
6. The quantity of water must be strictly controlled when Polycarboxylate Superplasticizer concrete admixture (50%) is applied, since slump loss of concrete is closely related to it.
7. When applying Polycarboxylate Superplasticizer concrete admixture (50%) in steam curing concrete or other special concrete, abundant experiments are highly recommended to make sure it satisfies the expected requirement.
8. When Polycarboxylate Superplasticizer concrete admixture (50%) is used to make concrete at or below C45, the total cost may be reduced by increasing the quantity of minerals.
Package, Storage & Handling
1. Polycarboxylate Superplasticizer concrete admixture (50%) for liquid: It is packed in 12000kg (1000Liter) per IBC Tank.
2. Store Polycarboxylate Superplasticizer concrete admixture (50%) in covered containers and keep it from rain, sundry, and evaporation.
3. Keep Polycarboxylate Superplasticizer concrete admixture (50%) from sunlight and below freezing point. Its storage stability can retain 12months in original package, but please use it up in 60days if it's been opened and repacked.


1.16 tons/IBC tank, 20.88 tons loaded in a 20ft.
Mar-19-13
Naphthalene sulfonate ( unf-5) concrete admixtur

Naphthalene Sulfonate ( Unf-5) Concrete Admixtur

(1.3)
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MOQ: Not Specified
  Muhu (China) Construction Materials Co., Ltd.
Supplier From Beijing, China
Supplier Of Waterproofing Material   |   Construction Materials
 
Description
Naphthalene Sulfonate (UNF-5) concrete admixture, a high range water reducer with no air entraining, is commonly referred to as a superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS, etc..

Naphthalene Sulfonate (UNF-5) concrete admixture is made of naphthalene, sulfonic acid, formaldehyde and alkali through sulphuration, hydrolyzation, condensation and neutralization reaction. Naphthalene Sulfonate (UNF-5) concrete admixture contains no chloride. It complies with chemical admixture specifications for concrete: ASTM C 494, Type F; ASTM C 1017.

Application
1.Naphthalene Sulfonate (UNF-5) concrete admixture is suitable to make autotrophic concrete, steam curing concrete, steel concrete and prestress concrete, all of which are made mainly of portland cement. When concrete added this superplasticizer needs to be steam cured, it requires considerable structural strength. The curing requirements should be pre-tested.
2.Naphthalene Sulfonate (UNF-5) concrete admixture is applicable in areas with the daily lowest temperature of and for making concrete which requires high fluidity, high strength or steam curing.
3.Naphthalene Sulfonate (UNF-5) concrete admixture can be used to make C80 concrete with slump loss between 50mm and 70mm, or C60 concrete with that between 180mm and 220mm.
4.Naphthalene Sulfonate (UNF-5) concrete admixture could be used as a raw material together with other components to make other kinds of admixtures, such as accelerator, retarder, anti-freezing agent and pumping aid to satisfy requirements from different construction projects, techniques, materials and environmental temperatures.
5. Naphthalene Sulfonate (UNF-5) concrete admixture will also fluidize concrete, making it ideal for tremie concreting or other applications where high slumps are desired.
6. Naphthalene Sulfonate (UNF-5) concrete admixture is compatible with Portland Cement, Portland Slag Cement, Fly-ash Cement, Portland Pozzolanic Cement, etc.

Features and Benefits
1. High water reducing rate: It has remarkable dispersion and water reducing effect. Its water reducing rate is over 20%.
2. High slump flowability and strength: It enhances the miscibility, fluidity and smoothness of concrete at a regular water/cement ratio and improves the bond stress between concrete and steel bars.
3. Saving cement: It may save cement by 12-25% without sacrificing slump retention and strength.
4. Early Strength and Strengthening Ability: It improves the compressive strength of concrete at same cement quantity and slump loss.
5. Great Compatibility: Naphthalene Sulfonate (UNF-5) concrete admixture can be added to a variety of concrete and improves the physical and mechanical functions of it. By reducing the heat of concrete hydration, it significantly enhances the impermeability of concrete.
6. Improved Compactness: Naphthalene Sulfonate (UNF-5) concrete admixture develops a better pore structure and makes the concrete more compact. It produces high durable concrete of which the anti-infiltrating index is beyond P18.

Uses and Dosages
1. Prepare solutions as required.
2. Naphthalene Sulfonate (UNF-5) concrete admixture can be added directly or added in after being dissolved into water. It can be added during mixing and after mixing. The afterward approach can achieve better result.
3. The agent can be combined with other externally applied agents if compatibility test is satisfied.
4. When Naphthalene Sulfonate (UNF-5) concrete admixture is applied in the form of powder, normal dosage ranges from 0.5% to 1.0% of the weight of cementitious material in 1m3 of concrete, while the suggested rate is 0.75% considering technical and economic factors.

Package, Storage & Handling
1. Naphthalene Sulfonate (UNF-5) concrete admixture for powder: Woven fabric bag with plastic liner. Net weight: 25kg +/- 0.13 kg.
2. When being handled or stored, special care should be taken to broken package, humidity and moisture to avoid consolidating. If it consolidated, please dry, shatter, then sift it through 0.63mm apertures or make solution before using.
3. Naphthalene Sulfonate (UNF-5) concrete admixture should be stored in a dedicated warehouse that is well-ventilated and dry. It remains effective in one year.
4. Since Naphthalene Sulfonate (UNF-5) concrete admixture is packed in woven plastic bags, though the product is nonflammable, cautions should be taken to avoid fire.


25kg/bag, 15 tons loaded in a 20ft container.
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Vernier caliper

Vernier Caliper

(1.3)
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MOQ: Not Specified
  China Machine Building International Corporation Hunan Co., Ltd
Supplier From Changsha, Hunan, China
Supplier Of Construction Materials   |   Bearing
 
Vernier caliper
4-way use
Stainless steel or carbon steel available100mm 0.02mm
125mm 0.02mm
150mm 0.02mm
200mm 0.02mm
300mm 0.02mm
100mm 0.02mm/0.001fª
125mm 0.02mm/0.001fª
150mm 0.02mm/0.001fª
200mm 0.02mm/0.001fª
300mm 0.02mm/0.001fª

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