Henkel UV ADHESIVES Bonding Glassware with UV Curing Adhesives Bob Goss Henkel Loctite Adhesives Ltd

Henkel UV ADHESIVES Bonding with UV Adhesives  UV Curing Adhesives  The Curing Process  Curing Equipment  Glass Bonding Applications  Secondary Cure Products

Henkel UV ADHESIVES UV Curing Adhesives  UV Acrylics  UV Cationic Epoxies  UV Silicones  UV Cyanoacrylates

Henkel UV ADHESIVES UV Curing Adhesives  Products cure when exposed to UV light  UV  Wavelength  Intensity

Henkel UV ADHESIVES Curing UV Adhesives INTENSITY Wavelength - nm Adhesive Curing 200nm Far UVC Middle UVB Near UVA 280nm320nm400nm600nm Visible UV

Henkel UV ADHESIVES UV Wavelengths Depth of Cure Improves Surface Cure Improves

Henkel UV ADHESIVES UV Wavelengths  UVV nm  UVA nm  UVB nm  UVC nm

Henkel UV ADHESIVES 8 Types of UV Bulb Surface Cure General Purpose Depth of Cure

Henkel UV ADHESIVES UV Intensity  Measured in milliwatts/cm 2 (mW/cm 2 )  Low Intensity5-10 mW/cm 2  High Intensity100 mW/cm 2  UV Adhesives require mJoules of UV energy for full cure in a typical application  i.e. 100 mW/cm 2 for 5-15 seconds

Henkel UV ADHESIVES UV curing adhesives Liquid Solid  Speed of cure and depth of cure are determined by light intensity

Henkel UV ADHESIVES UV curing adhesives  O 2 Inhibition Effect 365 nm 220 nm required for tack free cure

Henkel UV ADHESIVES Determination of Extent of Cure  No Easy Production Method  Establish Limits  Check all other Process Variables  Check UV Lamp Performance

Henkel UV ADHESIVES UV Curing Systems

Henkel UV ADHESIVES Bench Top UV Curing Systems  Low cost 400 Watt lamp  Ideal for Low Volume Decorative Glass Bonding Applications  Intensity 25 mW/cm 2 at UVA

Henkel UV ADHESIVES Bench Top UV Curing Systems  High Powered UV unit  100 mW/cm 2 at UVA and UVC  For Tack Free curing

Henkel UV ADHESIVES Light Guide UV Curing Systems  High Powered UV Light Guide Unit  >1000 mW/cm 2 at UVA and 50 mW/cm UVC  For Tack Free curing  Ideal for small parts.

Henkel UV ADHESIVES UV Conveyor Systems  Purpose Built UV systems  For High Volume Production Applications.

Henkel UV ADHESIVES Bonding with UV Adhesives  UV Curing Adhesives  The Curing Process  Curing Equipment  Glass Bonding Applications  Secondary Cure Products

Henkel UV ADHESIVES Bonding Glass to Metal  Epoxy  Polyurethane  Silicone  Structural Anaerobic  Toughened Acrylic  Cyanoacrylate  UV Curing Product

Henkel UV ADHESIVES Benefits of UV Adhesives  Fast cure  Good optical clarity  Cure on demand  Single part - easy to automate  Excellent adhesion  Secondary cure option

Henkel UV ADHESIVES Application areas  Decorative glassware  Medical disposables  Electronic component potting/coating  Furniture manufacture  Costume Jewellery  Optical instruments

Henkel UV ADHESIVES Glass Bonding  Cyclops is bonded to Facia

Henkel UV ADHESIVES Parameters to consider  Viscosity of Adhesive  Deep curing/Substrate absorption  Handling times  Secondary Cure  Environment

Henkel UV ADHESIVES Filter effect of substrate Coloured Glass Glass

Henkel UV ADHESIVES Secondary Cure

Henkel UV ADHESIVES Glass to Metal Bonding  UV anaerobic ensures full cure  UV Adhesive is Dishwasher safe

Henkel UV ADHESIVES

Henkel UV ADHESIVES Bonding Plastics  Swimming Goggles  Blood Filters

Henkel UV ADHESIVES Summary of UV Adhesives  Cure Speed – Seconds  Wide range of Viscosities  Good Cure Through Volume  Typical Operating Temperature 120°C

Henkel UV ADHESIVES Bonding Glassware with UV Curing Adhesives Bob Goss Henkel Loctite Adhesives Ltd