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Fasto UV98E is a single component, general purpose,very low viscosity and economic grade UV adhesive thatcures to give a clear, flexible bond when exposed toUVA-light. It is especially suited for decorative glassbonding. The low viscosity of UV98E means it can wickinto preassembled parts.TYPICAL APPLICATIONSFasto UV98E is general purpose UV adhesive that hasbeen developed for bonding glass where non yellowing,transparent bonding is required.It is mainly developed for glass furniture industry wherehigher precision and transparency is required.PROPERTIES OF UNCURED MATERIALValueChemical type Urethane acrylic esterAppearance ClearSpecific Gravity 1.03Viscosity cPs1Typical Value 57Fixture Time2 (secs) 5Depth of Cure3 (mm) 2Compress Shear Strength4, N/mm2Glass 10Refractive Index 1.35Hardness ShoreD 48Shelf Life @ 21°C (months) 12Operating Temperature Range (°C)Continuous -50 to +110Intermittent -50 to +1301 Brookfield LVF, Spindle2 , 30rpm2 Glass slide fixture 10mW/cm2 @ 365 nm3 Cured for 30 secs @ 10mW/cm2 @ 365 nm4 Based on ASTM D2095-69, 180 secs cure @ 20mW/cm2 TYPICAL CURING PERFORMANCEGlass Slide Fixture Time in seconds, using Hg VapourLamp:10mW/cm2 <530mW/cm2 <3The rate of cure, depth of cure and surface tack of thecured adhesive will depend on the intensity of the UVlight, exposure time, and spectral output of the UV lightsource and light transmittance of the substrates to bebonded.Depths of cure up to 8mm can be achieved with highintensity lamps and long cure times. To achieve a fast,controlled, reproducible cure performance, the use ofhigh quality UV lamps is recommended.Cure Speed vs. IntensityFasto UV98E can be cured using sunlight. However, fora controlled, repeatable cure, UV lamps should be used.Cure speed vs. bond gapFasto UV98E is designed for bonding closely fitting glassand metal parts. UV98E can be used to a maximumdepth of ~3mm.CURING MECHANISMFasto UV98E is formulated to cure when exposed to UVradiation of 310nm or above.Chemical / Solvent ResistanceFasto UV98E exhibit excellent chemical resistance tomost oils and solvents including alcohols, methylatedspirit water. Fasto UV-curing adhesives are notrecommended for use in pure oxygen or chlorine lines.DIRECTIONS FOR USEFasto UV98E is very sensitive to UV-light. The adhesivesshould be applied to clean, dry parts. Ensure parts are clean, dry and free from oil and grease. Apply adhesiveto one surface. Once the adhesive is applied, the partscan be positioned correctly and then exposed to UV-lightto initiate curing. Ensure that the entire bond is exposed.Product can be hand applied from the bottle.Dispensing systems are also available for high volumeassembly applications. Feed lines for the dispensingsystem must have black, UV-opaque tubing to avoidadhesive curing in the lines. Please contact your Fastorepresentative for further advice on dispensing solutions.GENERAL INFORMATIONFor safe handling of this product consult the MaterialSafety Data Sheet.StorageStore in a cool area and out of direct sunlight.Refrigeration to 5°C gives optimum storage stability.PackagingBottles: 100 g, 250 g and 1 kg. Available in bulk for usewith dispensing system.Please note: When packed an air space above theProduct is vital to maintain stability.DATA RANGESThe data contained in this data sheet may be reportedas typical value and/or range. Values are based onactual test data and are verified on a regular basis.NOTESThe information contained herein is produced in goodfaith and is believed to be reliable but is for guidanceonly. Fasto India and its agents cannot assume liabilityor responsibility for results obtained in the use of itsproduct by persons whose methods are outside orbeyond our control. It is the user's responsibility todetermine the suitability of any of the products and methods of use or preparation prior to use mentioned in
