Superplasticiser EB821-R
Retarding Superplasticiser For Concrete Conforms to BS 5075 Part 3 & ASTM C494 Type A & G

PRODUCT DESCRIPTION

Superplasticiser EB821-R is a retarding superplasticiser containing sodium salt of high molecular weight sulphonic polymer. It is specially formulated for production of high quality, high early and ultimate strength water-tight concrete that possesses excellent workability retention.

Superplasticiser EB821-R may reduce the required
mixing water by 15 to 20% while maintaining the required workability and hence expedites early strength development and improves ultimate strength of the concrete.

TYPICAL PROPERTIES

1. Enables the production of high strength concrete
   by reducing the water: cement ratio.
2. Possesses excellent slump retention.
3. Improves substantially the concrete workability at given water:cements ratio sand therefore aids flow and compaction around reinforcements.
4. Enables the production of self-compacting concrete which eases placing in difficult situations and alleviates the need for vibration.
5. Facilitates the production of fair-faced concrete.
6. Enables rapid pumping of concrete and therefore reduces the pumping pressure required.
7. Enables the reduction in cement content used for given strength requirements.
8. Reduces the shrinkage and crazing cracks in mass concrete.

Unicorp Sendirian Berhad Lot 66, Beribi II Industrial Estate,
B.S.B. BE1118 P.O. Box 620, Bandar Seri Begawan BS8671,
Brunei Darussalam
Tel: 673-245 0450, 245 0500, 245 0998
Fax: 673-245 0999 E-mail: unicorp@brunet.bn or unicorpbrunei@brunet.bn
Copyright © Unicorp Sendirian Berhad All Rights Reserved 2005

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APPLICATION PROCEDURES

• Dose Superplasticiser EB821-R together with gauging water, at the rate of 600 to 1200 ml per 100kg of cement, into the concrete mix.
• Mix thoroughly to achieve a homogenous mix.
• The optimum dosage of Superplasticiser EB821-R should be determined by site trial.

SAFETY PRECAUTION

• Avoid prolonged contact with skin.
• Wash skin or affected area with clean water.
• Avoid ingestion.
• For more detail information please refer to the Material Safety Data Sheet.