There are different types of systems used for floor coating and most of them work well if the surface is properly prepared for the coatings. But today’s major problem is preparation of the surface before coating. Phenalkamines works well when they are used as curing agents made with epoxy system for primer coat. On the moist concrete too.

The role of primer is to protect the surface and also to give good bonding between moist surface to primer coat and primer coat to topcoat. Phenalkamine due to chemical structure provides very good adhesion on the moist surface and also it allows the topcoat to bond well with primer. For any primer coating two important criteria are sealing and adhesion, phenalkamine cured with epoxy resin primer provides both the advantages. Top of it they also provide added advantage of 100% solid content.

When phenalkamine based primer was applied on wet concrete surface and pull of test was done after 7 days of coating the high cohesive strength was found. Also when primer was applied on damp or humid surface no blistering was found on the surface of the coatings. This shows that phenalkamines are not humidity sensitive. In normal case the primer coating is done on green concrete (wet concrete) after 28 days of drying, but in case of phenalkamines you can coat primer immediately, there by saving the time of floor coating.

Epoxy resin (bisphenolA/F) 100 parts :
Phenalkamine hardener : 50 parts
Additives : 3.75 parts
Suggested ProdTypeViscosity @ 25˚C(cps)Amine Value (mgKOH/g)AHEWPHR With Epoxy resin (EEW=190)Gel Time @ 25˚C(Min.)
VIJ 20558Phenalkamine500 - 2000320 - 3609550 - 5535 - 40
VIJ 20541 LVPhenalkamine1500 - 3500320 - 34512560 - 6540 -45
VIJ 2010ADPhenalkamine Adduct400 - 600340 - 38012560 - 7018 - 20
VIJ 20558DPhenalkamine800 - 2000340 - 400955025 - 30
VIJ 2050 CAAdduct100 - 200380 - 4501005045 - 60
VIJ 20540Phenalkamine2000 - 4000490 - 5508135 - 4035 - 40

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