Description
Description:
Conplast P211 is a chloride free water-reducing admixture based on selected sugar-reduced lignosulphonates. It is supplied as a brown solution which instantly disperses in water. Conplast P211 disperses the fine particles in the concrete mix, enabling the water content of the concrete to perform more effectively and improving the consistency of the concrete. This produces higher levels of workability for the msame water content, allowing benefits such as water reduction and increased strengths to be taken.
Uses:
- To improve the effectiveness of the water content of a concrete mix.
- At higher dosages to provide a cost effective means of reducing concrete permeability and thereby reducing water penetration
- To improve the effectiveness of the water content of a concrete mix.
- At higher dosages to provide a cost effective means of reducing concrete permeability and thereby reducing water penetration
Advantages:
- Allows specified strength grades to be met at reduced cement content or increased workability.
- Water reduction significantly improves compressive strengths at all ages and enhances durability through the production of low permeability concrete.
- Minimises the risk of segregation and bleeding and assists in the production of a dense, close textured surface, improving durability.
- Chloride free, safe for use in pre-stressed and reinforced concrete.
Standard compliance:
Conplast P211 complies with BS 5075 Part 1 and with ASTM C-494 as Type A. Conplast P211 complies with the requirements of the United Kingdom Water Fittings Byelaws Scheme and is listed in the
Directory of Materials as suitable for use in contact with potable water under its previous name of Conplast P211
Technical support:
Fosroc provides a technical advisory service for on-site assistance and advice on mix design, admixture selection, evaluation trials and dispensing equipment.
Dosage:
The optimum dosage of Conplast P211 to meet specific requirements should always be determined by trials using the material and conditions that will be experienced in use. The normal dosage range is 0.4 to 0.8 litres/100 kg of cementitious material, including PFA, GGBFS and micro-silica.
Use at other dosages
Dosages outside the normal ranges quoted above can be used to meet particular mix requirements. Contact Fosroc for advice in these cases.
Precautions
Health and safety
Conplast P211 does not fall into the hazard classifications of current regulations (see notes 1 and 2 below). However, it should not be swallowed or allowed to come into contact with skin and eyes. Suitable protective gloves and goggles should be worn. Splashes on the skin should be removed with water. In case of contact with eyes rinse immediately with plenty of water and seek medical advice. If swallowed seek medical attention immediately – do not induce vomiting. For further information consult the Material Safety Data Sheet available for this product.
Fire
Conplast P211 is water based and non-flammable. Cleaning and disposal Spillages of Conplast P211 should be absorbed onto sand, earth or vermiculite and transferred to suitable containers. Remnants should be hosed down with large quantities of
water.
The disposal of excess or waste material should be carried out in accordance with local legislation under the guidance of the local waste regulatory authority.
Dispensing
The correct quantity of Conplast P211 should be measured by means of a recommended dispenser. The admixture should then be added to the concrete with the mixing water to obtain the best results. Contact Fosroc for advice regarding suitable equipment and its installation.
Packaging
Conplast P211 is available in drum or bulk supply. For larger users, storage tanks can be supplied.
Storage
Conplast P211 has a minimum shelf life of 12 months provided the temperature is kept within the range of 2oC to 50oC. Should the temperature of the product fall outside this range then contact Fosroc for advice.
Additional information
Conplast P211 was previously known as Conplast 211.
Note 1: CPL Regulations 1984 Supply – Schedule 1
Note 2: HSE Publication Guidance Note EH40
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