Construction Additives
Wetting Agent · Fluorosurfactants / Silicone Wetters

SUBSTRATE WETTING ADDITIVES

Improves wetting on concrete and mineral surfaces, helping epoxy and PU flooring systems spread evenly instead of beading, crawling, or fisheyeing on porous or contaminated substrates.

Wetting Agents
AppearanceClear to pale liquid
ChemistryFluorosurfactant / silicone
Surface tension reductionSignificant
Typical dosage0.05 – 0.3%
01

How Wetting Works

STEP 1 — MIGRATION

Migrates to the Interface

The surfactant migrates to the coating-substrate interface as soon as the mix is applied, ahead of the bulk resin.

STEP 2 — TENSION REDUCTION

Lowers Surface Tension

Reduced surface tension lowers the contact angle between the liquid coating and the substrate, allowing it to spread smoothly rather than bead.

STEP 3 — UNIFORM CONTACT

Full, Even Substrate Contact

The coating wets porous and mineral surfaces uniformly, preventing fisheyes, craters, and areas of poor adhesion while improving coating performance.

02

Technical Specifications

Property
Typical Value
Product type
Fluorosurfactant / silicone-based wetting agent
Function
Substrate wetting additive
Appearance
Clear to pale yellow liquid
Active content
90 – 100%
Recommended dosage
0.05 – 0.3% on total formulation weight
Compatible resins
Epoxy, polyurethane, polyaspartic
Key benefit
Reduces fisheyes, craters, and beading on concrete
Shelf life
12 months, unopened, cool storage
Packaging
1 kg · 5 kg · 25 kg pail
03

Application Systems

PRIMERS

Concrete primers

Ensures full wet-out on porous or lightly contaminated concrete before topcoat.

EPOXY FLOORING

Industrial epoxy floors

Reduces fisheyes and pinholing on large monolithic pours.

PU FLOORING

Polyurethane flooring systems

Improves flow and leveling on porous or troweled substrates.

DECORATIVE FLOORING

Metallic & decorative epoxy

Supports even coverage in thin, cosmetic-critical coating layers.

04

Handling & Storage

Handling & Storage

Storage temperature 5°C – 30°C
Storage condition Sealed container
Mixing Add during resin blending, low-shear
Overdosing risk Excess can cause foaming or recoat issues

Safety & Documentation

Compatibility Most epoxy & PU resin systems
Personal protection See safety data sheet
Transport classification See SDS
Documentation TDS & SDS available on request
Request a sample or the full technical data sheet

Our team can advise on the right grade for your stone type and exposure.

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