0 ° C or more, ± 12.5% of the average width of the joint at the time of sealing, 0 ° C or less, the total amount of ± 5% of the average width of the joint
Use Primer 3 for concrete and porous surfaces.
Construction surface should be clean, hard, dry and no oil, grease and surface dirt such as release agent, curing film and hydrophobic agent. Thoroughly remove all loose particles and ash to search for dust
