Saint-Gobain Gyproc Egypt

Head Office: Building #12B04 , Cairo Festival City , Second Floor, New Cairo - Egypt 

Express Sina

"Express Sina" is a high quality gypsum extracted from sinai rocks- with 94% whitness used for cornices and decorative forms moulding.



Pre-cast cornices

Gypsum forms

Key facts

Advantages :

  • Adjusted setting time to maxmize moulding productivity
  • High compressive strength
  • extracted from high quality sinai rocks
  • One component pre-mix -only water addition is required



Substrate must be sound, free from dust, loose particles, cement laitance, curing compounds, oil, grease or any other contamination
Ensure the mixing container and the application tools are clean especially form waste of previous mix and it’s recommended to clean the tools directly after usage


“Expres-Sina” is sprayed on water with the right ratios (Don’t add water to powder), then leave for 2 mins till it soaks completely. Stir the mix perfectly in all directions till reaching a homogeneous mortar with the convenient consistency for the application. It is preferred to use mechanical mixing


Expres Sina" is used for moulding purpose, fill the mould with the product as the the standard practice

Extra information

Technical Data Sheet 

Wet Density 1500 gm/l
PH Value neutral
Workability Time 3 -7 mins
Initial Setting time 13 -20 mins
%  Mixing water 70 -90%
Whiteness 94 -97%

Storage & Packing

Pack / KG : 30.3

Packs / Ton : 33

Storage Condition : Must be stored in a dry area away from the reach of humidity or any water source, preferably on wodden pallets and covered with impermeable cover to mainatain a steady quality the longest duration possible

Storage Validity : 3 months

Standard : Gypsum Building Plaster (B1) with an initial setting time <20 min and compressive strength ≥ 2,0 N/mm2
EN 13279-1 - B1/20/2

Fast Setting Moulding Binder

Customer Service Hot Line 19230

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