Tips and Tricks for Sikaflex 11 FC+
Performing well as an all-rounder requires many skills and talents. Whether you are working down in the basement or out on the roof, Sikaflex 11FC is designed to make the job easier and is engineered to perform at the highest standards.
APPLICATION
Less is more – do not use too much adhesive, it will not produce a better bond. In fact, too much adhesive will slow or even stop the curing process, leading to reduced performance.
Curing
During cold days there is less humidity in the atmosphere, therefore moisture cure adhesives will take longer to cure.Adhesives that are suitable for use on damp substrates will take longer to cure than when applied onto dry substrates.
Bonding non-porous materials together will slow the rate of adhesive cure, as there is limited adhesive area for solvents / water to evaporate or for moisture to be absorbed.
Storage
Do not store adhesives at very cold temperatures, this will make the products much more viscous and difficult to use.Do not leave adhesives in the car or near heat sources prior to use, this will make the products very runny and difficult to control. Also, when opening tubes and cartridges, adhesives may squirt out under pressure when hot.
Money Saving
Use Sika re-sealable cartridge nozzles to keep your adhesive fresh during project down time and between jobs.
The Science of Bonding
What is an "Adhesive or Glue"?
A non-mechanical material which is able to join 2 substrates together using adhesive and cohesive mechanisms. A material composed of polymers in a liquid state, that when applied become solid during the curing process.
What is "Adhesion"?
Weaker adhesives harden by some physical change, such as the evaporation of a solvent during cure. Stronger adhesives solidify during a chemical change, such as the absorption of atmospheric moisture during cure. Smooth substrate surfaces generally mean that pores or adhesion sites are smaller and less in number.
Rough substrate surfaces generally mean that pores or adhesion sites are larger and greater in number, and stronger and more viscous adhesives will generally deliver sufficient bond strength on porous materials, where weaker and/or less viscous adhesives are required to bond non-porous substrates.