Gypsum Plaster

HK Gypsum Plaster is a Soft Sulfate Mineral Composed of Calcium Sulfate Dihydrate (Caso4:2H20). It is Widely Used as a Fertilized, In Mould, in Sculptures and as Plaster Material. Gypsum is a Chalk like Material and Is Very Light in Weight. It Is Available In Crystalline Form In Nature. In Recent Years, The Construction Sector Has Witnessed a Number of New Trends, Technology Advancements and Innovations across Applications, All aimed at Making Construction Faster and Delivering Higher Performance. HK Gypsum Plaster Can Be Applied Directly on Any Brick, Solid or Hollow Blocks, AAC Blocks and Plaster Boards. Gypsum Plaster has Good Insulation Properties, Fire Resistant and Impact Resistant. Also, Gypsum saves a lot of Time during Construction and Has Superior Finish. These Properties Have Clearly Drawn Attention Of Real Estate Builders and Contractors Towards Choosing Gypsum Plaster over Traditional Cement Plaster


  • Ease Of Application Gypsum Can Be Directly Applied Over Brick/Block Work Without Separate Finishing. It Is Also Very Easy To Apply And Level Gypsum Plaster.
  • No Shrinkage Cracks: Gypsum Reaction Produces Less Heat As Compared To Cement Reaction With Water. So There Are Fewer Shrinkage Cracks In Gypsum Plaster As Compared To Traditional Cement Plaster
  • Quick Setting Time: Gypsum Sets Quickly (I.E., Within 25-30 Mins). So Painting Could Be Started 72 Hours After Application Of Gypsum Plaster. Plaster Has To Be Dried Up Before Painting.
  • No Curing Time Required: Unlike Traditional Cement Plaster, Gypsum Plaster Doesn’t Need Any Curing Saving Water And Time During Construction
  • High Productivity: Reduces Time Considerably When Compared To Conventional Cement Plaster
  • Smooth Finish: Perfectly Lined, Levelled, Smooth Walls And Perfect Right Angled Corners
  • Reduced Supervision: Careful Quality Checking Is Required For Cement Plaster As Cement And Sand Has To Be Properly Proportioned. In Contrast, Gypsum Plaster Doesn’t Require Same Amount Of Quality Checks For Application Thus Reducing Supervision Efforts.
  • Readily Available Raw Materials: Gypsum Is A Ready Available Material. Natural Sand, Which Is A Raw Material Used In Traditional Cement Plaster, Is Hard To Obtain. It Is Also Banned In Multiple States In India
  • Fire Resistant: Gypsum Plaster Is Highly Resistant To Fire
  • Low Thermal Conductivity: Gypsum Has Low Thermal Conductivity. This Saves Electrical Cost For Heating And Cooling Rooms In A Building.
  • Decorative Application: Excellent High Strength After Drying, Durable And Light Weight (Reduces Dead Load On Structure)
  • High Performance: It Can Be Easily Applied To Decorative Purposes Also And Can Be Mould Into Different Shapes


Colour Of Finished Surface White
Pot Life 12mins | 15mins
Initial Setting Time 25 – 30 Minutes
Compressive Strength 60 – 70 Kg / Cm2
Thickness 12 Mm
Coverage 18-20 Sq.Ft. @ 25 Kg Bag


Quality Quality Consistency Not Possible
Shrinkage Cracks Negligible Shrinkage Cracks Significantly High Shrinkage Cracks
Thermal Insulation High Lower
Water Curing Not Required Required
Surface Flat Surface And Attractive Workability Not Possible
Edges Sharp Edges Possible Not Possible
Coverage Higher Coverage Lower Coverage
Wastage No Wastage High Wastage (Due To High Rebound Loss)
Oven Dry Compressive Strength As Per IS-2542 >_ 10 N/Mm2 @ 3-4 Days >_4 N/Mm2 @28 Days Water Curin

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