By browsing this website, you accept the use of cookies, which helps us provide you with services and offers matching your centers of interest and compile visitor statistics. More on cookies


UV curable hardcoats

Our selection of specialty acrylates to address extreme conditions

Why moving to UV cured hardcoats ?

Curing process advantages



  • Very high productivity
  • Process efficiency and flexibility
  • No solvent emission
  • One layer UV coated – no primer required
specialty acrylates for UV curable hardcoats

Excellence of final film performance



  • High-end quality finish
  • Very high scratch resistance
  • Superior chemical resistance
  • Very good exterior durability
  • Adhesion to difficult substrates
specialty acrylates for UV curable hardcoats

Application field benefits


  • Architectural panels and films
  • Interior and exterior automotive parts
  • Helmet visors, goggles and ophthalmic lens
  • Consumer electronics
  • Solar films
specialty acrylates for UV curable hardcoats

Our selection of oligomers

Oligomer F* Attributes Viscosity Tg by DMA Persoz pendulum hardness
CN9210 6  Good hardness and abrasion resistance  2 Pa.s @60°C 120°C  340
CN9215 6  Good hardness and abrasion resistance  1,2 Pa.s @50°C 40°C  320
CN9276 4  Good impact and scratch resistance  5,8 Pa.s @25°C 90°C  300


F*= functionality

Scratch resistance highlight

Our best in class oligomers for superior scratch resistance:
➞Formulation on black ABS: Oligomer (50%) + CN9001 (10%) + SR238 (35%) + photoinitiators (5%)

➞ Crockmeter with dried textile (Volkswagen TL 226):

  • 9N applied on the tip
  • Gloss retention (%): (Gloss after 100 double rubs) / (Initial gloss)


Exterior durability demonstration

Our choice of oligomers for improved weathering properties:

Florida (USA) exposure - some selected results:

  Selection Functionality Tg Gloss retention Delta yellow index




Test for 7,5 years

CN9001 2 55°C 85% -3,1
CN981 2 35°C 97% -2,1
CN991 2 15°C 97,5% -1,05
SR531 1 10°C 100% -0,73


Test for 6 years

SR595 2 90°C 97% -1,2
SR833S 2 185°C 81% 0,45


Florida (USA) exposure: Inland, facing south, 5° angle - Substrate: cold roll steel with E.coat/primer and white automotive basecoat
Solvent free clearcoat: 50% oligomers + 50% monomers + 3% TPO-L - Film thickness: 35-45 μm
Curing conditions: 4,5 J/cm2 with Heraeus lamps - bulbs V and H - under nitrogen

Switch region