Polycarboxylate Superplasticizer (High Water Reducing Type)

2019-06-14 14:33:37

Polycarboxylate Superplasticizer (High Water Reducing Type) is a new generation polycarboxylic acid type high performance water reducing agent which is obtained by radical polymerization of a polyoxyethylene ether macromonomer and a small monomer. The product has a very high water reduction rate and low slump loss performance, which can guarantee the high water reduction rate required for the preparation of concrete, and can be widely used for pumping concrete.


Technical principle:
The product has a comb structure. And the longer length in the molecule is a long-chain polyoxyethylene chain and a high-density sulfonic acid group, which has a larger steric hindrance and electrostatic repulsion, providing a greater dispersion of cement. And it has  high water reduction rate.


Features:

(1) It has great dispersibility and high water reduction rate, which provides guarantee for the preparation of high grade concrete.
(2) Excellent workability. The fresh concrete has high fluidity, and is easy pouring and close chamber, which can effectively reduce concrete viscosity, and which has good cohesiveness, moderate gas content and is suitable for pumping.
(3) Concrete hardening and durability. The concrete has high strength at various ages, good volume stability, impermeability, freeze-thaw resistance, outstanding corrosion resistance and carbonization resistance.
(4) Wide adaptability to Portland cement, ordinary Portland cement, slag silicate, fly ash cement, pozzolan cement and various admixtures.
(5)It is green and environmentally friendly. There is no three waste products in the production process.


Instructions:

(1) The usual dosage is 0.5%-1% (based on the total amount of cementitious materials), and the optimum dosage should be determined by experiment according to the engineering materials and characteristics.
(2) The water reducing agent can be dissolved in water or added to the concrete mixer alone.

(3) It can be used together with high-protection plastic polycarboxylate water reducing agent and various retarders.


Scope of application:
(1) Suitable for the preparation of early-strength concrete, retarded concrete, precast concrete, cast-in-place concrete, large-flow concrete, self-compacting concrete, mass concrete, high-performance concrete and fair-faced concrete, in various industrial and civil buildings. Premixed and cast concrete. Especially suitable for low-grade commercial concrete.
(2) It can be widely used in large-scale and key projects in high-speed railways, nuclear power, water conservancy and hydropower projects, subways, large bridges, highways, harbor terminals, etc.

(3) Applicable to all kinds of industrial and civil construction and commercial concrete mixing stations.

Item

Quality Index

Result

Appearance

/

Brownish White

Density

g/cm3

1.020-1.050

pH

/

6~8

Solid content

/

40±1

Alkali content(Na2O+0.658K2O %)

≤10.0

2.1

Chloride ion content(%)

≤0.200

0.018

Sodium sulfate content(%)

≤10.00

1.20

Cement paste fluidity mm

≥260

290


Packaging and storage:
This product liquid is sealed in 200Kg and 1000Kg drums.
Storage process is anti-leakage, anti-exposure, anti-high temperature;
The warranty period is one year, and it can be used only after passing the inspection.
This product is alkali-free liquid, non-toxic, non-corrosive. Such product is environmentally friendly. But it can not be edible.

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