MYCRO-SP-NP300 Polymers

YCRO-SP-NP300 is based on Sulphonated Naphthalene Polymers and supplied as a brown liquid instantly dispersible in water. MYCRO-SP-NP300 has been specially formulated to give high water reductions without loss of workability or to produce high quality concrete. It is ideal for usage in production of pavement quality concrete.

MYCRO-SP-NP300 are chemical additives that improve concrete's fluidity by reducing the amount of water needed. They are surfactants and they confer Negative Charge on individual Cement particles such that they are kept in a more Dispersed or Suspended state due to interparticle repulsion hence accounting for the Mobility of the particles. They work by reducing the surface tension between water and cement particles, which causes the particles to form a less open structure. This structure requires less water to fill spaces, which increases the strength of the concrete.

Where to use:

➢ Cold Weather Construction

➢ Precast Concrete Production

➢ Rapid Repair Work

➢ Airport Runways, Highways or Roads Applications

➢ Winter Sports Facilities

➢ High-Performance Concrete

➢ Emergency Repairs like after a natural disaster

➢ Thin Overlays and Toppings

Features of MYCRO- SP-NP300 Superplasticizer Compounds:

➢ Improve workability: MSP-NP 300 allow for a reduced water-to-cement ratio

without sacrificing workability.

➢ Increase strength: It reduce the water-to-cement ratio, which increases the strength

of the concrete.

➢ Improve durability: It help produce concrete with a lower porosity, which makes it

more resistant to compression.

➢ Cohesion: Cohesion is improved due to dispersion of cement particles thus minimizing segregation and improving surface finish.

➢ Improve surface finish: MSP-NP 300 help produce concrete with a better surface

finish.

➢ Improve adhesion: It help improve the bond strength and adhesion of concrete to

surfaces.

➢ Prevent cracking: It help prevent concrete from cracking.

➢ Produce self-consolidating concrete: It allow for the production of concrete that

flows and levels itself.

➢ Compatibility: It is compatible with other types of admixtures when added separately

to the mix. Site trials should be carried out to optimize dosages. It is suitable for use

with all types of ordinary Portland cements and cement replacement materials such as PFA, GGBFS and silica fume.

Method of Application

The optimum dosage is best determined by site trials with the concrete mix which enables the effects of workability, strength gain or cement reduction to be measured. Site trials with MSP-NP 300 should always be compared with mix containing no admixture. As a guide, a dosage range of 0.6 to 1.4% weight of cement is normally recommended. An over dose of double the recommended amount of MSP-NP 300 will result in very high workability and may cause extension of initial and final setting times. However, the ultimate compressive strength will not be impaired.

Advantages

➢ Allow the production of high strength concrete without excessive cement contents

➢ Use in production of flowing concrete permits easier construction with quicker

placing and

➢ compaction and reduced labour costs without increasing water content

➢ Chloride free, safe for use in prestress and reinforced concrete with increased strength

➢ Improved quality and improved cohesion properties

➢ Improved surface finish

➢ Improved cohesion and particle dispersion minimizes segregation and bleeding and

➢ improves pumpability

Precautions & Limitations

➢ Do not add MSP-NP 300 directly to dry cement & aggregate mix.

➢ Maintain water-cement ratio as low as possible.

➢ Do not increase the dosage of MSP-NP 300 than the recommendation.

Shelf Life

➢ Best before 2 years from the date manufacture when in sealed pack and stored under

proper condition.

➢ Store in a cool & dry place.

Health & Safety

➢ Use rubber hand gloves & safety goggles, while using MSP-NP 300

➢ In case of contact with skin, wash with plenty of water.

➢ Keep out of reach of children

Package size: 500 ml, 1 L, 5 L, 10 L, 20 L, 50 L and 220 L