Optical film formation analyzer

Rheolaser COATING enables simple and sensitive monitoring of microstructure evolution during a film formation process. The instrument precisely identifies open time, touch-dry time, dry- hard time or curing time... Without any contact with the sample, it is possible to characterize various products, such as coatings: paints, inks; polishes, resins. The open set-up allows the use of any kind of substrate: glass, metal, ceramic...

> Read more about Coating analysis
> Related Technology: Diffusing Wave Spectroscopy (MS-DWS)

High Temperature Applications

1 to 4


Highlights of Rheolaser Coating

Up to 4 simultaneous measurements

The instrument can carry out up to 4 measurements at a time, thanks to the adaptable and customizable setup, allowing instant sample comparison of drying times of different samples.

Drying properties characterization 

> Drying time (Open Time, Set-To-Touch Time, Dry-Through Time) 
Curing time
Film formation
> Particle packing, particle deformation...


Contact-free technology

The MS-DWS technology allows the study of drying mechanisms without contact, with high sensitivity, to provide more insight to coating structure evolution.

Measurement on adapted substrates

Drying properties can be evaluated on metal, ceramic, glass, wood, paper, etc.. adapted to product application and use.


Paints & inks

Paint & inks

Home & personal care

General chemistry & polymers

Technical features

Technology MS-DWS 650 or 850 nm
Applied thickness
5 µm - 3mm
Simultaneous measurements 1 to 4
Temperature range
Measurement time Seconds to Days
Automatic application Compatible with automatic coater
Dimensions 70 x 60 x 62 cm
Weight 45kg

Key benefits

Using MS- DWS technology makes Rheolaser COATING the most sensitive and accurate instrument available for coating drying properties determination.

The instrument operates at Room temperature but can be used in temperature conditions up to 60°C (heating cabinet).

The open instrument configuration allows using Rheolaser COATING with Automatic Coater to fully control the applied thickness or Vacuum plate when analyzing drying on paper.