Araldite AV 4738 / Hardener HV 4739 - DanLube

Average lap shear strengths of typical plastic-to-plastic joints (ISO 4587)Cured for 24 hours at 23 C + 4 hours at 80 C and tested at 23 CPretreatment - Lightly abrade and alcohol degrease.PVCAcrylicABSSMCPolycarbonateN/mm 20 5 10**** Indicates substrate failureLap shear strength versus temperature (ISO 4587) (typical average values)Cure: 24 hours at 23 C + 4 hours at 120 CN/mm 220161284°C0-20 0 23 40 60 80 100 120 140Roller peel test (ISO 4578)Substrate: Aluminium alloyCured 7d at 23 CCured 7d/ 23 C + 1 hour at 80 CCured 7d/23ºC + 1 hour/125ºC2.6 N/mm4.6 N/mm5.6 N/mmMarch 2009 Araldite ® AV 4738 / Hardener HV 4739 Page 3 of 5

Lap shear strength versus immersion in various media (typical average values)Unless otherwise stated, L.S.S. was determined after immersion for 90 days at 23 CCure: 24 hours at 23°C + 1 hour at 130°CAs-made valueAcetoneGasoline (petrol)Ethyl acetateAcetic acid, 10%MethanolLubricating oilSulphuric acid 10%Water at 20°CWater at 90°CN/mm 2 0 2 4 6 8 10 12 14 16 18 20Lap shear strength versus tropical weathering(40/92, DIN 50015; typical average values)Cure: 24 hours at 23 C + 4 hours at 120 C and tested at 23 CAs made valueAfter 30 daysAfter 60 daysAfter 90 daysN/mm 20 5 10 15 20Lap shear strength vs. water immersion on GRECure: 7 days at 23 C + 4 hours at 120 Coverlap 25mm x 15mmInitial value at 23ºC2000 hours * at 23ºCInitial value at 80ºC2000 hours * at 80ºCInitial value at 100ºC2000 hours * at 100ºCN/mm 2 0 5 10 15*Immersion in water at specified temperature and tested at that temperature.March 2009 Araldite ® AV 4738 / Hardener HV 4739 Page 4 of 5