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Construction grade HPMC(hydroxypropyl methyl cellulose)

Выпущен на 08. 02, 2021

Construction grade HPMC (Hydroxypropyl methyl cellulose)


1.Overview of construction grade HPMC and classifications: 

Construction grade HPMC is hydroxyproyl methyl cellulose which is specialized in construction mortar industry. 

According to the different kind of dry mix mortar product formulations, different specificafications of construction grade HPMC is recommended. 

To choose the right specification of construction grade HPMC could reach the specific function in applications. 


(1)Classification of construction grade HPMC according to the gelation temperature: 

75 typeGelation temperature: 70-90℃
65 typeGelation temperature: 62-68℃
60 typeGelation temperature: 58-64℃

For construction grade HPMC, The standard Mailose MP series products produced by Jinan maissen new material co.,ltd is 75 type.  It is high quality construction grade HPMC which is stable in hot environment.  For the E series mailose HPMC produced by Jinan maissen new material co.,ltd, 65 type and 60 type is available to customize as per customer's requirements.

It have better water retention property, but loss some stability in hot environment. 


(2)Classification of construction grade HPMC according to specific functions: 

Purity construction grade HPMCStandard purity HPMC with low ash content,:5% Max.  Normally is around 3% only under lab testing.
Modified HPMC for specific applications

Modification based on the purity construction grade HPMC. In order to reach the specific function in application, to add other additives in HPMC. For example: increase the open time, provide better workability, increase the sag-resistence etc.


This kind of modified HPMC price is normally in the same level with purity one or even a little higher than standard purity construction grade HPMC.  

Modified HPMC for lower cost

It is customized products as per customers requirements on cost.  It may lower the functions of HPMC. For example, adjust the gelation temperature, ash content and add some other additives.

This kind goods is making a balance between price and quality. 

Jinan maissen new material co.,ltd insist on providing high quality construction grade HPMC in the market. Meanwhile, based on our production experience and tech. support, we can also customize HPMC as per customer's requirements. OEM or OEM service of construction grade hpmc is available. 


(3)Classification of construction grade HPMC according to solubility: 

Without surface treatment

Construction grade HPMC without surface treatment can not be soluble in cold water directly because of its filming property.

Normally, this kind of hpmc is recommended to be used in dry mix mortar industry.  Dry-mix the construction grade HPMC with all other raw materials together and packaged.  Adding water before using it.

With surface treatmentConstruction grade HPMC with surface treatment could be soluble in cold water directly.  It is recommended to used in the product which is required to solve HPMC in could water directly in the production processing.  For example, industrial detergent, emulsion paint etc.

Jinan maissen could provide various specifications of construction grade HPMC.


2.Main application areas of construction grade HPMC:


(1)Construction grade HPMC in dry mix mortar industry:

It is an important additives in dry mix mortar products. The detailed applications and recommended specifications as below: 

Block laying adhesiveMailose MP150K/ME150K, Mailose MP40K/ME40K
Cement or gypsum based plasterMailose MP100K/ME100K,Mailose MP60K/ME60K
Cement or gypsum based one coatMailose MP60K/ME60KMailose MP100K/ME100K
Tile adhesiveMailose MP150K/ME150K, Mailose MP200K/ME200KMailose MP150KO, Mailose MP200KO
Joint compoundMailose MP40K/ME40K
Gypsum spray plasterMailose MP75K/ME75KMailose MP 75KM
Skim coat(wall putty)Mailose MP100K/ME100K
EIFS adhesive mortarMailose MP150K/ME150KMailose MP100K/ME100K
EIFS surface mortarMailose MP100K/ME100KMailose MP60K/ME60K
Self-leveling mortarMailose MP400


(2)Construction grade HPMC in oil drilling: 

Provide Fine Gel, Salt Resistance, Excellent Sand-carrying Property Etc.

Recommended specifications: Mailose MP100KOD, Mailose MP150KOD.


(3)Construction grade HPMC for industrial detergent: 

Provide good property of dipersion, thinckening effect, foam stability and compatibility. 

Recommended specifications: Mailose MP100KSD, Mailose MP150KSD, Mailose MP200KSD


3. The basic functions of construction grade HPMC in applications: 


(1)Water retention: 

Construction grade HPMC have good water retention in applications.  It could keep enough water for cement and all other additives hydration. It could improve the final bonding strength and the pressure strength. Meanwhile lower the risk of cracking and fall down from the working surface.  


(2)Thickening: 

Construction grade HPMC could provide specific viscosity of the wet mortar or the solution.  It could increase the adhesive strength of wet mortar and provide a good sag-resistence for wet mortar. 


(3)Adjust the setting time: 

Construction grade HPMC can adjust the cement setting time. As the hpmc dosage increased, the setting time of cement is longer. 


(4)Workability: 

Reasonable viscosity of wet mortar could increase the workability, bigger covering area with the same quality of wet mortar.  Construction grade hpmc make fine bubbles in wet mortar, it could improve the smooth feeling during working. 


(5)Stability:

Construction grade HPMC have high gelation temperature. It provide a good viscosity stability even in the hot environment. 


Construction grade HPMC(hydroxypropyl methyl cellulose)

Jinan maissen new material co.,ltd is one of the major cellulose ether(HPMC / MHEC) and RDP manufacturer in China. Main products includes:

HPMC-hydroxypropyl methylcellulose

MHEC-Methyl hydroxyethyl cellulose

RDP-Redispersible polymer powder

Other additives in dry mix mortar 

Welcome to contact with us for more information: info@mailose.com


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