Why Should Choose Tile Adhesive Instead of Cement Mortar?
Melacoll 2021-01-29 05:30

Tile Adhesive vs Cement Mortar? With the active development of the ceramic tile industry, ceramic tiles of various textures, materials, and specifications emerge in an endless stream. However, no matter how beautiful the tiles are, if the wrong materials are selected, the effect will not last. For the performance requirements of tile adhesive materials, the most important thing is the adhesion and the durability of the bonding. Tile adhesive instead of cement mortar has gradually become a topic of concern. The correctness of this choice has also become a hotly debated topic. In this article, we discuss why tile adhesive instead of cement mortar, and the important difference between tile glue and mortar.

1. Traditional tile paste

Traditional tile paste uses cement mortar, a paste material composed of cement, fine aggregate, and water, and its principle is to achieve tile paving through mechanical anchoring.

1.1 Pros and cons of cement mortar

1. The current ceramic tile has high density and low porosity. When the larger the ceramic tile, the higher the viscosity. It is difficult for cement mortar to stick it firmly and firmly by mechanical anchoring.

2. Cement mortar is suitable for the thick paste method, which enhances its adhesion by increasing the weight. However, some tiles are more appropriate for the thin paste method from the decorative effect, so cement mortar is not ideal as the paste material.

3. The cement mortar itself has limited cohesive force, and it will produce a hydration reaction when it meets with water, that is, it will continue to shrink and solidify, which will cause hollowing, cracking, and other problems.

Therefore,  adhesive instead of cement mortar is necessary.

2. Tile Adhesive vs Cement Mortar

What is the difference between cement and tile adhesive? Compared to cement mortar, tile adhesive  is currently an ideal tile paste material. In addition to cement, there is hydroxypropyl methylcellulose (HPMC), starch ethers, rubber powders, water-reducing agents, etc., in tile adhesive, which has better adhesion and better durability.

tile_adhesive_vs_cement_mortar_1In the performance standard of tile adhesive JC/T 547 “Ceramic Tile Adhesive,” the adhesive is classified according to the size of the adhesive force and the lasting adhesive force. C1 and C2 are the two common tile adhesive levels, C1 is the ordinary type, and C2 is the enhanced type. C1 grade tile adhesive has an adhesive force of ≥0.5 MPa, and C2 grade tile adhesive has an adhesive strength of ≥1 MPa. The adhesion here refers to the bonding under standard conditions. After soaking in water, it went through high and low-temperature cycles, freezing and thawing cycles, that is, the adhesive is required to have lasting adhesion in various common environments.

Tile adhesive classification Adhesive force
c1 ≥0.5 MPa
c2 ≥1 MPa

What does 0.5 MPa adhesive force mean? In an area of 10cm*10cm, a tensile strength of 0.5 MPa is 500kg. As far as the current ceramic tiles are concerned, such adhesion is very safe. If you are pasting vitrified tiles with low water absorption, you can consider using C2 tile glue.

Of course, tile adhesive instead of cement mortar is future development trend. a good adhesive is inseparable from the right raw materials! If you are looking for high-quality ingredients, MIKEM is your best choice!

MelaColl™ cellulose ethers and Mikrant™ re-dispersible powder (RDP) are specially designed for adhesive. They provide the following features in tile adhesive applications:tile

  • Improved sag resistance
  • Improved workability
  • Improved adhesion
  • Improved heat and freeze-thaw resistance
  • Improved water retention

MelaColl™ is a trademark for MIKEM’s cellulose products and derivatives.

Mikrant™ is a trademark for MIKEM’s re-dispersible polymer powder product.

With this trend of tile adhesives instead of mortar is becoming more and more obvious, We provide general and modified products for economical, standard, and premium formulations. Our tailored solutions offer you products that best suit your specific raw materials and special local requirements. Please CONTACT US now and get more information or a sample!


Posted by Melacoll

Hi, there, I have been engaged in the cellulose ether industry for 11 years.

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