Once the support has been prepared. It is common practice to use primers or bonding bridges prior to the placement of ceramic sealants, self-leveling mortars, polymer coatings. For the safety of pavements or water-resistant membranes, and repair mortars. We do this both, before and after the preparation of the support. We offer best in quality products and services for Precast Roof Pakistan.
What Exactly Is Meant by The Term “Primer”?
We put Primers often over existing ceramic coatings, plaster, anhydrite, concrete, or mortar screed. We shall define primer as the substance that produces a continuous, thin film and that provides the following benefits:
- Increases the surface cohesion of the support.
- Decreases the rise of trapped air, preventing the formation of bubbles and/or craters in the self-leveling mortar or in the resin.
- Collaborates in a better adherence of the following material with the support.
- Occasionally, we also used them in those situations in which we needed it to avoid part of the cement components of ceramic sealants or leveling mortars (tricalcium aluminate) from coming into contact with water.
The Primers’ Defining Traits and Characteristics
often use Primers before the installation of a ceramic adhesive, an ego mortar, or a polymer coating. It is also possible to use primers on their own.
Before proceeding with the installation of the next material, they are necessary to have taken.
They can come in a variety of forms, including acrylic resins, cementitious materials, epoxy, polyurethane, silane, and so on.
Primers used to cementitious adhesives and self-leveling mortars are typically colored, but primers applied to pavements before the application of resins are typically clear. Use colored primers prior to the installation of cementitious adhesives and self-leveling mortars.
What Exactly Is the Definition of Bonding Bridges?
Application Bonding bridges are materials that able to form a continuous layer. We often put they over previous ceramic coatings, on concrete/mortar, and/or reinforcement, and they provide the following advantages:
- It helps the next material stick better to the support. • When used with highly absorbent supports, it slows down the drying out of the repair mortar at the bonding interface.
- Protects reinforcement against corrosion once deoxidize it.
- Sometimes used in situations when we require it to stop aluminous cement from coming into contact with repair mortar.
Indicators Of the Bonding Bridges’ Characteristics
In most cases, utilize bonding bridges before applying a ceramic adhesive to a non-absorbent support, as well as in conjunction with structural repair mortars. Being able to tell those utilize that before the application of a sticky cement to those use that for structural repair is an important part of being properly distinguished.
- In the case of the bonding bridge for ceramics, it is imperative that the surface be dry and rough prior to the placement of the adhesive. During the application of the structural repair mortar, the bonding bridges use that for the structural repair will still be new.
- Ceramics use cementitious bonding bridges because of the nature of cement.
- Can use Cementitious or epoxy in the construction of union bridges for structural restoration.
In terms of the colors. There will be brown for ceramic adhesives, gray or orange for cementitious adhesives, and red for epoxies in structural restoration. The colors will correspond to the types of adhesives used. The use of ready-mix concrete on bridges.
Conclusion
The use of primers or connecting bridges does not, under any circumstances, remove the need of properly preparing the support.
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