PRODUCTS>> Admixture

 


MASTERPLAST PL-1 is liquid plasticizing admixture (additive) for cement concrete. It reduces the water requirement for concrete mix to attain a given workability. It may be used to reduce cement content of concrete mix without affecting the strength. It is an economical solution of plasticizing concrete and enables the concrete designer to achieve any one or a combination of three main properties as under:

  • Improvement in workability (flow).
  • Increase in strength.
  • Saving in cement requirement.


Technical Information

Characteristics

 Nature
 Colour

:
 Single component, Liquid
Dark Brownish
 pH Value
 Specific Gravity 30°C
 Consistency
 Foaming Action
:
:
:
:
7-8
1.19 ± 0.02.
Slightly viscous than water
No foaming
 Compatibility




:




Compatible with all types of Portland Cement, including sulphate resisting. Compatible with all other admixtures

  Air entrainment
:

 Approximately 1% additional air over control concrete
  Chloride content
:
NIL, according to BS-5075 PART I and
IS 456 -1978

 


Plasticisers

  Super Plasticisers

  Acceleratiors & Retarder

  Integral Waterproofing   Compound

 

 

Features / Advantages
  • It improves workability of concrete.
  • It provides easier handling and finishing.
  • Reduces water requirements.
  • It improves finished appearance of the hardened concrete.
  • Increases all strengths of the concrete.
  • It reduces segregation.
  • Reduces shrinkage and permeability.
  • It provides increased durability.


Usage

  • It is used in all types of concretes.
  • Ready mixed concrete.
  • Prestressed concrete.
  • Precast concrete.
  • Lightweight concrete.
  • Expansive concrete.  
  • Architectural concrete.


Engineering Data


  Specification Complies
:

:

:


 Indian Standard Specification IS: 9103-1973
British Standard Specification BS:5075 Part I
American Standard Testing Materials
ASTM-C-494, Type A & D
  Trial Result (May be taken as a   reference only) M-20 mix - Mix   constituents    
  Cement
:
 OPC (IS 269- 1989)
  Sand
:
 38% (IS 383-1970, Zone II)
  Aggregate (20 mm to 5 mm)
:
 62% (IS 383- 1970)

Trial Mix
Cement
content Kg / m3
Dosage Litre / 50Kg Cement
W/C ratio
Compressive strength Kg/Cm2
1D
3D
7D
28D
 Reference  Concrete
350
NIL
0.56
50
140
215
310
 Plasticised
350
0.15
0.56
110
135
200
315
Strength enhanced
350
0.15
0.51
55
160
250
350


Direction for use

Dosage
Dose of 0.1 to 0.25 Itrs.. cc per 50 kgs bag of cement is usually sufficient to produce self compacting and flowing concrete. Optimum dose is best determined by trial concrete mixes, otherwise normal dose of 150 cc per 50 Kgs. bag of cement is recommended.

Use the dispenser or measuring container. Add Masterplast PL-1 to the mixing (gauging) water. Stir well the material before use.

Cleaning of tools & Equipment
Tools and equipments can be cleaned with water.


Storage and shelf life
Store the material at a cool & dry place (at 25°C Temp. & 50% RH). Shelf life is one year. It will freeze at (thawing) temperatures but can be reconstituted by stirring.


Packing
150 ml, 1 Litre., 5 Litre, 20 Litre, 200 Litre.


Precautions

  • Do not mix it with dry cement.
  • Add to mixing (gauging) water or directly to the mix
  • Stir well before use



 
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