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P.O.P gypsum powder plaster of paris

P.O.P gypsum powder plaster of paris
Product name锛P.O.P gypsum powder plaster of paris
Item锛SGFA
Details锛
P.O.P gypsum powder plaster of paris
 
 
INTRODUCTION TO GYPSUM  PLASTER
 
Gypsum Plaster is manufactured by using Pure Mineral Gypsum , Having high purity
 of calcium sulphate obtain from mines. It is washed, treated, calcined at std. specific
temperature, pulverized to find mesh, sieved & hardening, strengthen compounds & are
added to give final product, packed   in
50 Kg packing.
 
 
 
Technical Details of Gypsum Plasters:
 
· INTIAL SETTING TIME15  TO 20  MINITUES
 
· FINAL SETTING TIME30 TO 35 MINITUES
 
· PARTICAL SIZE95 % PASSING THROUGH 100 MESH
 
· COMPRESSIVE STRENGTH55-60 KG / SQ .CM
 
· FLEXURAL STRENGTH30-35 KG / SQ.CM
 
· BULK DENSITY0.85 – 0.9 GMS/ CU-CMS
 
· MODULUSE  OF RATIO (KG PER CM2)40  KG / SQ CMS
 
· CONSISTENCY (WATER : PLATER RATIO)(65ML – 70ML) : (100 /GM)
 
 
 
Our Laboratory Test Results - (AS PER  IS-2547-PART-I-1976)
 
 
 
 
FROM: GEO-CHEM LABORATORIES (P) LTD. INTERNATIONAL  INDEPENDENT INSPECTION & TESTING COMPANY.
 
 
TEST AS PER IS-2547-PART-I-1976 (CHEMICAL TEST):
 
 
TEST
METHOD
RESULT
 
     SULPHUR TRIOXIDE (SO3)
IS-1288
40.65%
 
     CALCIUM OXIDE (CaO)
IS-1288
31.03%
 
     MAGNESIUM OXIDE (MgO)
IS-2547
0.21%
 
     SODIUM OXIDE (Na2O)
ICP
0.062%
 
 LOSS ON IGNITION AT 300C
IS-2547
5.50%
 
     FREE LIME
IS-2547
NIL
 
 
    RESIDUE ON 1.18 mm IS SIEVE
IS-1607
NIL
 
 
 
REMARKS:
 
Conforms as per the requirement of chemical
Composition in table I (3) and (4) of IS-2547 (Part-I) 1976.
 
 
 
 
 
 
 
 
 
 
 
PLEASE READ TECHNICAL SUPERIORTY, ADVANTAGE , SAVING TIPS & OTHER 
DETAILS :-
 
 
TECHNICAL SUPERIORITY  :
 
 
Area of Application
 
· Internal bare brick walls
· Hollow concrete blocks
· Concrete columns
· R. R. C. ceilings
· Shiperox block work
· Goa blocks etc….
 
 
 
Feature & Advantages
 
It can be directly applied on the above mention Area of Applications, so there
is no need of
cement plaster & POP / Neeru Finished etc.
 
 
 
Free from inherent shrinkage cracking, low density, no curing, and no fungus,
provide smooth surface, holds nails & other fittings, all normal decoration etc.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.
 
 
                                                                                                                             
 
INDEFINITE LIFE
Gypsum plaster contains no dangerous chlorides. It retains its composition 
for thousands of years as testified by the construction of the Cheops Pyramids
 
 
 
 
2.
 
 

 
 

ABSENCE OF SHRINKAGE CRACKING
Gypsum plasters do not shrink (unlike cement) during the drying out and hardening
process.
 
 
3.

 
 

 
INSULATION PROPERTIES
Gypsum plasters have low conductivity and good thermal properties, ensuring 
energy and power saving. Tested in accordance to BS 874:1973. Appendix - C,
Class "A" in accordance to DIN 4102. The thermal conductivity is 0.32 W/mK.
 
 
4.

`

 

 
FLEXURAL TENSIL STRENGTH
Gypsum plasters exhibit high tensile and flexural strength. They are less prone
to cracking or debonding due to thermal, tensil and shearing movement of the background.
 
 
5.
 
 

 
 

NON-TOXIC AND ANTI-FUNGUS
Gypsum plasters will not harbour insects or nourish mould growth or fungi. 
They pose no health hazards and are therefore frequently specified in hospitals and clinics.
 They are gentle on the skin and offer a clean, healthy environment.
 
6.
 

 
 

 
NO CURING REQUIRED
Gypsum plasters require no water curing and should be permitted to dry out as
quickly as possible. A definite advantage considering the weather conditions in 
the Tropical Country like India.
 
 
7.
 

 
 

 
FIRE INHIBITOR
Gypsum is non-combustible (inert), designated class ‘O’ in a accordance to 
BS 476:4:1970, and contains a high content of crystal water. In the event of 
fire, will act as a barrier and will protect the blockwork, concrete and steel.
 
 
8.
 

 
 

ACOUSTIC PROPERTIES
Gypsum (calcium sulphate) as a binder is used in the manufacture of acoustic
tiles and plasters, a contributory factor to the absorption of air-borne sounds.
 
 
 
9. 
 

 
 

 
 BONDING PROPERTIES
Due to the nature and structure of gypsum, it exhibits excellent bonding 
properties: hence is applied in a single coat on R.C.C. ceilings, Internal 
Bare-Brick walls, Hallow Concrete Blocks and Concrete Columns.
 
 
 
10.

 
 

 
 
RUST INHIBITOR
The Gypsum blended the gypsum plaster is the perfect rust preventive agent
and inhibits corrosion of electric metal fittings, pips, etc. Metal lathings 
embedded in gypsum plaster will not corrode or rust. Serves durable life-long.
 
 
11.
 
 

 
 

EASE OF APPLICATION
International gypsum plasters are pre-mixed and available in easy to handle bags. 
Only the addition of water is required. A single coat application suffices in most 
situations resulting in less wastage of time, labour and material. Semi-skilled 
masons can be taught how to apply and achieve excellent finishes within a few 
hours on site.
 
 
12.

 
 

 
AESTHESTICS
Gypsum plasters provide a smooth interior finish for ceilings and walls, and is ideal 
background for good quality paints and wall paper finishes.
 
 
             
                 
Comparision of Sand Cement Plaster and Gypsum 
Plaster.
 
 
 
SAND CEMENT PLASTER
 
 
GYPSUM PLASTER
 
1.
 
The Mixure of the sand and cement
 has to be made at the site in different
 ratios a difficult process that requires contstant monitoring.
 
 
 
Contact monitoring not required.
The plaster is ready mix of gypsum,
Vermiculite and additives
Effort & Time saved.
 
2.
It is not ready mix plaster and hence variation in mixing can occure. Backgrounds.
 
 
Specially formulated ready mix
plaster for most type of solid.
No variation.
 
3.
Sand is used an aggregate.
 
 
Exofoliated vermaculite acts as
aggregate that helps in attaining
better coverage and good thermal
insulation.
 
4.
After sand cement plaster,
POP punning is required for
better surface finish.
 
 
 
Substitute Two-application cement
plaster & POP punning. Provides
smooth surface finish in one
application better then POP.
 
5.
 
Pre-curing and post-curing is
necessary.
 
 
 
 
No pre- curing & post-curing
is required. Thus saves time and
wastage of water.
 
6.
 
Setting time varies from
60-120 minutes.
 
 
 
Graduated setting time (30-50 min.)
 to enhance easy workability.
 
7.
 
Development of water cracks
is quite frequent.
 
 
No shrinkage cracks once set &
provides crack free smooth surface.
 
 
 
 
 
 
 
8.
 
High percentage of wastage
during application.
 
 
Nominal wastage during application.
9.
Rough finish is obtained.
 
 
 
Very smooth fine finish surface is
obtained.
 
10.
It leaves water patch marks behind.
 
 
 
No patch marks can be observed once
 it is set & dry.
 
11.
Very messy.
 
 
Not at all messy.
 
12.
 
Used for bricks, blocks, concrete
walls and rigid background directly.
 
 
 
Used for bricks, blocks, concrete walls &
any rigid background directly.
 
13.
 
Time consuming process hence
more labour cost involved.
 
 
 
Time saving process, thus less
labour cost.
 
14.
 
Multiple brands are available in the
market hance quality varies.
 
 
 
One branded product hance one is always assured quality.
 
 
 
 
 
 
 
 
 
 
 
SAVINGS TIPS TO USE OF GYPSUM  PLASTERING
 
1.The background to be plastered  should  be thoroughly brushed with broom 
to    remove  dust and loose  mortar on the existing wall surface.
 
2. For ceilings, it is most important   that the concrete slab should be clean, 
dry and free from mould oil.
 
3. It is advisable to wet the wall and ceiling surface, to achieve good workability.
 
4. Always mix powder to water and not water to powder, and powder should 
be thoroughly mixed with water and should be free from limps and foreign 
material before use.
 
5. Normal consistency or water plaster ratio of the plaster should be 0.65-0.70
I e for 1000grams of powder 650-700 grams of water, is recommend for better 
performance.
 
6. Always back-fold bag after taking out the material to keep it free 
from moisture and atmosphere.
 
7. Only the required material should be prepared, as per the area of
application is ready to plaster.
 
8. Set plaster shortens the setting time and thus reduces the workability.
 
9. Do not add water  to delay the setting time, after the initial setting  time
is completed, as the material will loose its bonding properties and strength.
 
10. Suggest that skilled labors  to do good workmanship as compared to pop 
works.
 
11.For top coat after applying of  Gypsum plaster, a thin coat  of same
material should be prepared, in paste form and should be applied by 
using  putty blade to provide a smooth finish, do not apply water brush on
the finished surface.
 
12. Bags should be stored in Dry place, and free from water, after using the 
powder from the bag, the incomplete bag should be tied and closed.
 
13. After complete drying (, which depends on the thickness of the plaster 
applied), usually 4-8 Days, The surface can be painted with any water 
soluble paint, such as emulsion paint, except cement paint.
[Next锛歖鈫

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