GK-4A Set Retarding Superplasticizer Water Reducing And Slump Retaining Polymers

DESCRIPTION:

GK-4A represents a SNF based superplasticizer, which is optimized for to achieve significant workability retention. It is a powder product.

USES：GK-4A is widely uilized in large volume (mass) concrete, hydraulic concrete and roller compacted concrete (RCC) with requirements of set retardation and low hydration heat evolvement.

CHARACTERISTICS：

GK-4A offers the following advantages:

* Water reduction above 15% can be reached;

* Improved workability of fresh concrete, avoiding bleeding;

* No negative effect on final strength of concrete;

* No additional shrinkage;

* Good adaptability;

* Offers strong dispersion effect on cement particles.

PRODUCT DATA

APPLICATION

RECOMMEND DOSAGE

Powder: 0.5%— 1% by weight of cementitious materials

Liquid: 1.5%—2.5% by weight of cementitious materials.

USING METHOD：Add GK-4A in powder form together with cement and other minerals on site. Alternatively, it is recommended to prepare a ~ 40% dry matter aqueous solution prior to use for better handling.

NOTES ON APPLICATION：

1. It is recommended to prepare a ~40% dry matter aqueous solution prior to use for better handling.

2. It can be combined with other GK admixtures as follows:

- GK- Set retarder

- GK- UAE (expansion agent)

- GK- Air entraining agent.

3. It is not useable in combinations with polycarboxylate-based water reducers. And it is not recommended for use in steam-cured or fast cured concrete.

BASIS OF PRODUCT DATA：

All technical data stated in this Technical Data Sheet are based on standard laboratory tests. Actual measured data may vary due to circumstances beyond our control.

LOCAL RESTRICTIONS

Please note that as a result of specific local regulations the declared data for this product may vary from country to country. Please consult the local Technical Data Sheet for the exact product data.

HEALTH AND SAFETY

For information and advice on the safe handling, storage and disposal of chemical products, users should refer to the most recent Material Safety Data Sheet containing physical, ecological, toxicological and other safety related data.

PROTECTIVE MEASURES

Avoid contact with skin. Please wash immediately with clear water when the product contacts skin and/or eyes. It should timely be taken medical treatment if any allergies and/or other adverse reactions happen.

ECOLOGY/WASTE DISPOSAL

Do not dispose of into water or soil, but according to local regulations.

TRANSPORTATION CLASS

Non-hazardous.

TOXICITY

Non-toxic.

DISCLAIMER：

The information, and, in particular, the recommendations relating to the application and end- use of Hydget products, are given in good faith based on Hydget’s current knowledge and experience of the products when properly stored,handled and applied under normal conditions in accordance with Hydget ’ s recommendations. In practice, the differences in materials, substrates and actual site conditions are such that no warranty in respect of merchantability or of fitness for a particular purpose,nor any liability arising out of any legal relationship whatsoever, can be inferred either from this information, or from any written recommendations, or from any other advice offered. The user of the product must test the product ’s suitability for the intended application and purpose. Hydget reserves the right to change the properties of its products. The proprietary rights of third parties must be observed. All orders are accepted subject to our current terms of sale and delivery. Users must always refer to the most recent issue of the local Technical Data Sheet for the product concerned, copies of which will be supplied on request.

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