General Purpose Cement PlasterCemtech Fast Build Products
Cemtec - General Purpose Cement Plaster (GPCP) is a Versatile Plaster or Multi Purpose Plaster. It is used as a dry premix cement plaster / render for internal and external use.
GPCP is a ideal substrate for paint, wall paper or decorative plasters. GPCP is a highly trusted product composed of Portland Cement processed sand and chemical additives.
The fair faced concrete back ground should be thoroughly cleaned to remove any dust, loose particles. The suction in the background of both fair faced concrete and block work should be neutralized. For fair faced concrete surface spray a coat of CEMTEC Bonding Rush Coat before applying GPCP.
GPCP supplied in 50 Kg bags has to be mixed with pota-ble water only in a clean plas-tic bucket or a metal tub. The amount of water to be added is 8.5 ltrs per 50 kg(i.e., approximately 17% by weight). Add GPCP to water, turn the contents of the bag care-fully and stir frequently. Once mixed allow to stand for 5 minutes and mix again before applying. No further water should be added to the mix. Hard and set plaster should not be re-mixed or used.
- First Coat:
Mixed GPCP has to be applied to a thickness of 4 — 8 mm. A rough tex-ture has to be obtained ,to provide a mechanical key to the next coat. A minimum of 48 hours should elapse prior to the application of the second coat. Water curing is an absolute must during this period.
- Second / Final Coat :
The second coat is applied to a thick-Hess of 20mm and fin-ished by felting or floating.
Portland Cement processed sand and chemical additives.
- Aggregate Size
3 mm Processed Sand
- Mixing Ratio 8.5 Its water per 50 kg bag Water / Powder ratio = 0.17
- Approx. Yield / Coverage
32 ltrs. per 50 kg bag 2m2 per 50kg bag @ 15mm Thickness
Wet :1.78 kg/ltr - Dry :1.70 kg/Itr
- Compressive Strength
4.0 NI/mm2 @ 28 days
- Flexural Strength
1.0 Nimm2 @ 28 days
- Pack Size
50 kg paper bags
- Shelf Life
12 months from date of production when stored under dry conditions
- Working Time
Approx. 30 minutes
Minimum 48 hrs by potable water