Hydroxypropyl Methylcellulose (HPMC) For ETICS/EIFS

An Exterior Insulation Finishing System (EIFS), also known as EWI (Exterior Wall Insulation Systems) or External Thermal Insulation Composite Systems (ETICS) is a type of cladding system that provides exterior walls with an insulated finished surface and waterproofing in an integrated composite material system. Put another way, an Exterior Insulation Finishing System / External Thermal Insulation Composite Systems can be defined as an ideal energy efficient thermal wrapping or facade insulation applied to the exterior surfaces of a building which is then finished with a long-life, decorative and protective wall coating that can be installed on any type of construction.

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Recommended Grade	SL HP200K
Appearance	White or off-white powder
Water Retention Rate(%)	97% min.
Moisture content	≤5.0
pH value	6-7
Viscosity	200,000 mPa.s (NDJ-1, 2% solution, 20℃)

The Role Of HPMC In EIFS/ETICS:

● Improved adhesion: The materials of the exterior walls are firmly held together by using this cellulose material.

● The adequate wetting ability for EPS board and substrate:Cellulose Ether HPMC/MHPC improves how effective the wetting of the board and substrate.

● Reduced air entrancement and water uptake: The air spaces within the external walls of buildings become resistant to the passage of air, which may weaken the structure. Water uptake is reduced as well, Cellulose Ether HPMC/MHPC increases the water retention of the walls and this does not allow water uptake.

● Good consistency: This cellulose allows the walls to maintain a consistent finish look and appearance, and this adds beauty to the walls.

● Good anti-bleeding:Cellulose Ether HPMC/MHPC prevents the occurrence of bleeding within the exterior walls.

● Anti-crack and anti-shrinkage: The occurrence of wall cracks and shrinkages are prevented with the use of Hydroxypropyl methylcellulose.

● Good workability: It also offers good workability. The designated particle size distribution assures quick or lumps free dissolution. It is suitable for all conventional mineral and organic binders.

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Safety notes
The data presented above is in accordance with the present state of our knowledge, but doesn't absolve the user from carefully checking it all immediately on receipt. We reserve the right to alter product constantly within the scope of technical progress or new developments. The recommendations made above should be checked by preliminary trials because of conditions during processing over which we have no control of, especially where other companies' raw materials are also being used.