Solvent Based Floor Coating

A solvent-based epoxy coating is a resin floor system in which an organic solvent — typically toluene or xylene — carries the resin and evaporates as the floor cures. It is the traditional route for epoxy floors, and on some substrates it is still the right one. It is also the route with the highest VOC, the strongest odour during application, and a substrate that has to be dry.

This page covers the eight solvent-based products KAIDA PAINT® supplies as a complete system, what this technology does well, what it costs you on site, and when one of the other two routes is the better answer.

KAIDA PAINT® Products

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What “Solvent-Based” Means

“Solvent-based” describes the carrier, not the resin. The resin in an epoxy floor is the same family of chemistry whatever carries it; what changes is how the resin is delivered and what happens to the carrier afterwards.

The carrier evaporates. Solvent leaves the film during cure. That is what makes the film set, and it is also why solvent-based systems lose most of their applied volume.
Low applied viscosity. A solvent-borne product can be thin enough to be drawn into a tight substrate while still delivering resin into it — which is why the penetrating primer in this range is a solvent-based product.
Not to be confused with “solvent-free”. A solvent-free system has no volatile carrier at all and builds film without shrinking. The two are different routes and different cost structures — see solvent-free epoxy floor coating.

The Solvent-Based System We Supply

Lapisan	Produk	Role
Primer	E159X Epoxy Primer (Tipe Penetrasi)	Drawn into the slab to seal and consolidate a tight or dense surface
Primer (conductive)	Primer Pelapis Lantai Epoksi Anti-Statis	Starts the conductive path in an ESD-protected build
Mid-coat	E337 Lapisan Tengah Epoksi	Roller-applied build coat that adds film thickness
Mid-coat (self-leveling)	Lapisan Lantai Menengah Epoksi Self-Leveling Epoksi E820	Flows out and levels minor surface variation
Top coat (gloss)	Lapisan Atas Epoksi Berbasis Pelarut E550	Hard, glossy, easy-clean surface for general industrial floors
Top coat (anti-slip)	E850 Lapisan Lantai Kulit Jeruk Epoksi	Orange-peel texture for wet or oily areas
Top coat (spreadable)	Lapisan Atas Epoksi yang Dapat Disebarkan E860	Spreadable finish for a controllable, uniform surface
Top coat (anti-static)	E552 Lapisan Epoksi Anti Statis yang dapat meratakan sendiri	Conductive, seamless surface for ESD-protected areas

The eight products form a complete system: primer, build coat and surface. They are specified together, because intercoat adhesion depends on the chemistry matching from layer to layer.

When to Choose a Solvent-Based System — and When Not To

This is a routing decision. It comes down to the substrate and to what the site can tolerate during application.

Situation	Route	Mengapa
Dense or power-troweled slab that has to be penetrated	Solvent-based penetrating primer	Low applied viscosity is what gets resin into a tight surface
An occupied building where odour is a problem	Water-based	Water replaces the solvent, so VOC and odour stay minimal during application
A thick, heavy-duty build on a dry slab	Bebas pelarut	No evaporating carrier means no film shrinkage, so thickness is easier to build
Any slab with residual moisture	Water-based, or fix the moisture first	Solvent-based systems need a dry substrate; low permeability traps vapour and blisters the film

What a Solvent-Based System Costs You on Site

The trade-off is real and it belongs in the specification, not in a footnote.

VOC and odour. Solvent-based systems carry the highest VOC of the three routes and a strong pungent odour during application. They are not the choice for an occupied building without ventilation planning.
Storage, transport and fire risk. Solvent-borne products are classified as dangerous goods, which changes how they are stored, shipped and handled on site compared with water-based or solvent-free products.
Substrate must be dry. Solvent-based films have low permeability, so vapour from a damp slab is trapped under the coating and blisters it. Substrate moisture content must be at or below 8% at application.
Film shrinkage. Because the carrier evaporates, applied volume is not cured thickness. Build thickness has to be calculated from the solids content, not from the wet film you applied.

Where those costs can be accepted, solvent-based systems remain a proven, hard-wearing choice. Where they cannot, the water-based or solvent-free routes exist for exactly those reasons.

FAQs About Solvent-Based Epoxy Coatings

Is solvent-based epoxy better than water-based?

Neither is better in the abstract — they solve different problems. Solvent-based gives you a low applied viscosity for penetrating tight, dense slabs. Water-based gives you a low-odour, low-VOC system for occupied buildings and can tolerate more residual moisture in the slab. The substrate and the site conditions decide.

Can solvent-based epoxy be applied to a damp floor?

No. Substrate moisture content must be at or below 8% at application, and a waterproof layer is required. Solvent-based films have low permeability, so moisture coming up from the slab is trapped beneath the coating and shows up as blisters.

Does solvent-based epoxy need a primer?

Yes, on most projects. In this range the primer is a separate product — E159X Epoxy Primer (Penetrating Type) for standard builds, or the conductive primer where static control is specified. The primer sets the bond for every coat above it.

What is the difference between solvent-based and solvent-free epoxy?

Solvent-based has a volatile carrier that evaporates during cure; solvent-free has none, so it is close to 100% solids. The practical consequences are that solvent-free builds thickness with much less shrinkage and carries far lower VOC, while solvent-based can be applied thinner for penetration into tight substrates.

Request the Solvent-Based Data Sheet

Solids content, VOC in g/L, film build and substrate requirements for each solvent-based epoxy product. Tell us the slab, the service conditions and whether the building is occupied during work, and we will tell you straight if another route fits better.