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H2: What is MHEC and why is it important for EIFS/ETICS?
1. What is MHEC?
MHEC stands for methyl hydroxyethyl cellulose. It is a water-soluble, non-ionic cellulose ether that is commonly used as a thickener, binder, and stabilizer in construction materials such as mortars and plasters.
2. Why is MHEC important for EIFS/ETICS?
EIFS and ETICS are exterior wall cladding systems that consist of several layers, including insulation, base coat, reinforcement, and finish coat. MHEC is an important component of the base coat and finish coat because of its ability to improve workability, adhesion, and durability.
3. How does MHEC improve workability?
MHEC can improve workability by increasing the viscosity of the mix, which makes it easier to spread and apply. This is important for EIFS/ETICS because it allows the layers to be applied more smoothly and evenly.
4. How does MHEC improve adhesion?
MHEC can improve adhesion by increasing the bond strength between the layers. This is important for EIFS/ETICS because it ensures that the layers stay firmly attached to each other and to the substrate.
5. How does MHEC improve durability?
MHEC can improve durability by enhancing the water retention and curing properties of the mix. This is important for EIFS/ETICS because it helps prevent cracking, shrinkage, and other types of damage that can occur due to moisture and temperature fluctuations.
In summary, MHEC is an important component of EIFS/ETICS because it improves workability, adhesion, and durability. Its ability to function as a thickener, binder, and stabilizer make it an ideal additive for base coats and finish coats.
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