QK702 Fluoro-Modified Acrylate Levelling Agent

Name: QK702 Fluoro-Modified Acrylate Levelling Agent
Brand: LIYANG New Chem

Polyacrylate levelling agent for waterborne, solventborne and UV systems that lifts gloss without hurting recoatability.

Positioned against EFKA 3772

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QK702 Fluoro-Modified Acrylate Levelling Agent identification panel showing model code, chemistry family and the grade it is positioned against

Product Overview

QK702 is a fluoro-modified polyacrylate levelling agent for waterborne coatings, solventborne coatings, printing inks and room-temperature-curing plastics. It improves flow and long-wave levelling and raises gloss, while preventing cratering. It lowers surface tension only slightly, so recoating and intercoat adhesion are unaffected and clear varnish stays clear.

Key Benefits

Improves long-wave levelling, which is what the eye reads as a smooth finish
Raises gloss in both coatings and inks
Prevents cratering and shrinkage defects
Only a slight drop in surface tension, so recoat and intercoat adhesion are safe
Does not cause haze in clear varnish or fogging in pigmented colours

At A Glance

Chemistry: Polyacrylate
Family: Levelling
Category: Coating Additives
Positioned against: EFKA 3772
Appearance reference: Yellow liquid

Who It Is For

Formulators of high-gloss industrial and decorative topcoats
UV ink and overprint varnish producers
Plastic coating formulators working at ambient cure

Problems It Solves

Orange peel and long-wave unevenness on sprayed topcoats
Cratering caused by contamination or poor substrate wetting
Levelling additives that block recoating or dull a clear varnish

Application Scenarios

Waterborne and solventborne industrial topcoats where appearance is graded
Solvent-free and waterborne UV inks and overprint varnish
Room-temperature-curing plastic coatings
Multi-coat systems where the next layer must still adhere

Technical Features

Polyacrylate chemistry at 60% non-volatile content
Supply viscosity 200-500 cps at 25C
Can be added at any stage, including post-addition
Works across waterborne, solventborne and solvent-free formulations

Specification

Typical Data And Dosage

Typical values are indicative of the product and are not release specifications. Figures are reproduced from the manufacturer data sheet.

Chemical composition	Polyacrylate
Appearance	Yellow liquid
Non-volatile content	60%
Viscosity (25C)	200-500 cps
Density (23C)	1.00-1.10 g/cm3
Storage	Cool and dry, stir well before use
Shelf life	12 months maximum
Packing	25 kg / 180 kg

Recommended Dosage

All dispersant and additive dosage figures below are quoted exactly as the source data sheet quotes them. Dispersant figures are percentages on pigment weight, not on the total batch. The published values are empirical, so confirm the optimum with a dosage ladder in your own system.

On total formulation, as supplied	0.05-0.5%

Use Guide

Stir the drum well before drawing product.
Add at any stage of manufacture, including post-addition to a finished batch.
Start at the low end of 0.05-0.5% and ladder up; over-dosing levelling agents usually shows first as a recoat problem.

Quality Control On Your Side

Grade long-wave and short-wave levelling on sprayed panels, not by eye in the can
Run an intercoat adhesion test whenever the dosage changes
Check clear varnish for haze at the top of the range

Comparison

How It Compares With The Alternatives

Technical comparison against other ways of solving the same problem. Nothing here is a performance claim against a named commercial product.

Silicone levelling agent	Lowers surface tension only slightly, so recoating and intercoat adhesion are not compromised.
Non-modified acrylate	The fluoro modification adds crater resistance on top of the flow improvement.
QK706E	QK702 targets flow, levelling and gloss; QK706E targets wetting, dynamic surface tension and foam.

Customisation And Supply

Packing as published on this page; other pack sizes are confirmed per order
Technical data sheet and, where available, safety data sheet supplied by email on request
Tailor-made products can be discussed; send the property you need and the system it goes into
Shipped from Tianjin, China by sea or air

Questions

QK702 Fluoro-Modified Acrylate Levelling Agent Questions

Will QK702 stop us recoating?

The data sheet states it only slightly reduces surface tension and does not affect recoating or intercoat adhesion. Confirm with an adhesion test in your own system.

Can it be used in UV inks?

Yes. It is suitable for solvent-free UV and waterborne UV inks as well as overprint varnish.

When can it be added?

At any stage, including post-addition.

What dosage range is normal?

0.05 to 0.5% on the total formulation as supplied.