HPMC for ETICS


HPMC for ETICS

HPMC, or hydroxypropyl methylcellulose, is a common additive in the production of exterior thermal insulation composite systems (ETICS). ETICS are building systems that provide thermal insulation and weather protection to exterior walls of buildings. HPMC is added to the adhesive mortar used in ETICS to improve its workability, adhesion, and durability.

One of the main functions of HPMC in ETICS is to act as a thickener and rheology modifier. The addition of HPMC to the adhesive mortar helps to improve its workability and spreadability, making it easier to apply and work with. HPMC also improves the consistency and stability of the mortar, reducing the risk of sagging or slumping during application.

In addition to its thickening properties, HPMC also acts as a binder and film-forming agent in ETICS. The addition of HPMC to the adhesive mortar improves its adhesion to the substrate and to the insulation board, creating a stronger and more durable bond. HPMC also forms a protective film on the surface of the mortar, which helps to protect it from weathering and erosion.

The use of HPMC in ETICS is also beneficial for the environment. HPMC is a natural, renewable, and biodegradable polymer that is derived from cellulose, which is abundant in plants. It is non-toxic and does not release harmful substances into the environment.

the addition of HPMC to the adhesive mortar in ETICS provides a number of benefits, including improved workability, adhesion, and durability. HPMC also helps to protect the mortar from weathering and erosion, and is an environmentally friendly additive.

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