HPMC for Wall Putty/ Skim Coat


Wall putty is also called skim coat, is a decorative and functional trowelling material for interior or external wall construction. It is applied to hide or remove blemishes or defects on the wall substrate’s surface to give them a smooth appearance.

Wall putty/Skim coat is one of the largest application areas of our cellulose products: HPMC, HEC and MHEC. We have developed different grades of products with various properties to meet the needs of all customers. We also offer tailed formulations that can provide you with the most suitable products for specific raw materials and special local requirements.

HPMC cellulose ether products provide the following features for wall putty applications:

•  Improve water retention, sag resistance, crack resistance, and thickening effect.
•  Enhance the adhesion of putty to various substrates: polymer powder have good thickening effect, It can enhance the consistency and bond strength of the wall putty, Suitable addition rate of it makes it has better adhesion feature.
•  Improve the consistency and stability of putty: are vital key to adjust suitable consistency in fresh mortars. Suitable consistency enables fresh plaster to attach well on walls as well as to make surfaces smooth and be applied easily without the feeling of stickiness.
•  Provides putty with good workability: Better leveling and reduced stickiness of HPMC can be applied easily to wall putty/skim coat, which easy to operate and construction, and can significantly improve the construction efficiency.
•  Improves hydrophobicity: After add the HPMC, the hydrophobicity of wall putty/skim coat has improved, waterproofing effect is significantly increased.


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