Why is it important to add HPMC to tile adhesive?

HPMC is an additive that be used in many products to enhance these performance. It is extensively used in the construction industry, especially in tile adhesives.

Tile adhesive, a modern decor material, replaces traditional cement and sand. It’s used to fix tiles onto floors or walls, offering adhesive strength several times greater than cement mortar, effectively securing large tiles and stones, and minimizing the risk of dislodging. It’s pivotal in ensuring tiles firmly adhere to surfaces.

Therefore, tile adhesive performance is crucial in construction, and HPMC greatly enhances its performance.

Tile adhesive formula

Common tile adhesive formula

Raw material


Cement PO42.5


Sand (30-50 mesh)


Sand (70-140 mesh)


Hydroxypropyl methylcellulose(HPMC)


Re-dispersible latex powder (RDP)


Calcium formate




High adhesion tile adhesive formula

Raw material






Hydroxypropyl methylcellulose (HPMC)


Re-dispersible latex powder (RDP)


Calcium formate


Polyvinyl alcohol




Tile adhesive application

Tile adhesive is primarily for bonding decorative materials like tiles, used widely in interior and exterior walls, floors, bathrooms, and kitchens, providing high bonding strength, water resistance, frost resistance, aging resistance, and convenient application. It’s an ideal bonding material applicable in various settings such as floors, walls, pools, bathrooms, commercial buildings, outdoor spaces, and tile repairs.

Modern decoration requirements for tile adhesive

Modern decoration has a series of strict requirements for tile adhesive to ensure the quality, durability, and aesthetics of the decoration:

Excellent waterproofing: Essential for kitchen and bathroom decorations due to higher humidity levels, ensuring tiles stay securely in place.

High bonding strength and crack resistance: Vital for wall and floor tiling. Wall tiles face gravity and temperature fluctuations; low bonding strength or crack resistance risks tile detachment. Floor tiles endure pressure, demanding strong, flexible adhesive to prevent gaps.

Stability: Chemical substances might corrode tile adhesive, demanding stability for long-lasting adhesion.

The necessity of adding HPMC in tile adhesive:

Without HPMC:
Insufficient bonding strength leads to poor adhesion to the substrate, risking cracks or detachment.
Challenges in viscosity control during application may cause uneven spreading and ineffective curing.
Poor moisture retention affects tile fixation and adhesive strength during drying.

With HPMC:
Enhanced adhesion: HPMC improves tile adhesive bonding, reducing risks of detachment and cracks.
Viscosity adjustment: HPMC aids in regulating viscosity for easier application, ensuring uniform and stable coverage.
Improved moisture retention: HPMC’s moisture retention benefits secure proper drying for stronger tile fixation.

HPMC boosts tile adhesive performance by:
Augmenting waterproofing: Its addition enhances the adhesive’s waterproofing ability, stabilizing it in damp conditions.
Elevating application performance: HPMC improves flow and viscosity control, making applications more convenient and efficient.
Enhancing crack resistance: HPMC’s flexibility and adhesion reduce the risk of cracks due to temperature changes or slight shifts.

Application demonstration of tile adhesive with HPMC: 


Therefore, adding HPMC to tile adhesive is crucial. The HPMC used in tile adhesive is of architectural grade. As top-notch suppliers of HPMC and RDP for tile adhesive, we enhance tile adhesive quality effectively with Grand Cellul HPMC products. For any inquiries, please reach out to us. We offer competitive prices and professional service to meet your needs.

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