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Cellulose Acetate Propionate ADHESIVE SHEAR STRENGTH (MPa) Loctite® 380TM Black Max® Instant Adhesive, Rubber Toughened 400 2.8 400 2.8 400 2.8 400 2.8 250 1.7 250 1.7 250 1.7 400 2.8 650 4.5 400 2.8 1700 11.7 Loctite® 401TM Prism® Instant Adhesive, Surface Insensitive MEDICAL: Loctite® 4011TM Prism® Instant Adhesive, Surface Insensitive 1950 13.5 1950 13.5 1950 13.5 > 2450u > 16.9u 1350 9.3 1050 7.2 1950 13.5 1950 13.5 >1950† >13.5† 1950 13.5 > 2200u > 15.2u Loctite® 401TM Prism® Loctite® 770TM Prism® Primer MEDICAL: Loctite® 4011TM Prism® / Loctite® 7701TM Prism® Primer 2150 14.8 1550 10.7 1550 10.7 1550 10.7 2150 14.8 1550 10.7 2000 13.8 1000 6.9 1200 8.3 2150 14.8 > 2200u > 15.2u 1550 10.7 > 2150u > 14.8u 1550 10.7 2150 14.8 1550 10.7 1800 12.4 Loctite® 414TM Super Bonder® Instant Adhesive, General Purpose 2000 13.8 900 6.2 1150 7.9 750 5.2 > 2450u > 16.9u Loctite® 330TM Depend® Adhesive, Two-Part No-Mix Acrylic 1200 8.3 900 6.2 700 4.8 550 3.8 650 4.5 650 4.5 350 2.4 650 4.5 1200 8.3 850 5.9 400 2.8 Loctite® 3105TM Light Cure Adhesive, MEDICAL: Loctite® 3311TM Light Cure Adhesive 1850 12.8 1850 12.8 1850 12.8 1850 12.8 1300 9.0 1500 10.3 1850 12.8 > 1900† > 13.1† > 1600† > 11.0† 1850 12.8 > 2250u > 15.5u Loctite® 4307TM Flashcure® Light Cure Adhesive 1900 13.1 Adhesive Performance Loctite® 3032TM Adhesive and Loctite® Fixmaster® High Performance Epoxy all created bonds that were stronger than the standard grade of CAP tested. Loctite® 401TM Prism® and 414TM Super Bonder® Instant Adhesives, Loctite® 4307TM Flashcure® and 3105TM Light Cure Adhesives, and Loctite® 3631TM Hysol® Hot Melt Adhesive typically achieved the next highest bond strengths on CAP. Loctite® 330TM Depend® Adhesive, Loctite® E-00CLTM, E-30CLTM and and E-20HPTM Hysol® Epoxy Adhesives and Loctite® U-05FLTM Hysol® Urethane Adhesive performed exceptionally as well. Loctite® H3000TM SpeedbonderTM Structural Adhesive, General Purpose Loctite® H4500TM SpeedbonderTM Structural Adhesive, Metal Bonder Loctite® 3032TM Adhesive, Polyolefin Bonder 550 3.8 600 4.1 > 2000u > 13.8u Loctite® E-00CLTM Hysol® Epoxy Adhesive, Low Odor 1100 7.6 Surface Treatments Loctite® 770TM Prism® Primer, when used in conjunction with Loctite® 401TM Prism® Instant Adhesive, or Loctite® 4011TM Prism® Instant Adhesive with Loctite® 7701TM Prism® Primer, had no overall statistically significant effect on the formulations of CAP which were evaluated. However, it did cause a statistically Loctite® E-90FLTM Hysol® Epoxy Adhesive, Flexible 400 2.8 Loctite® E-30CLTM Hysol® Epoxy Adhesive, Glass Bonder MEDICAL: Loctite® M-31CLTM Hysol® Epoxy Adhesive, Glass Bonder 1050 7.2 significant decrease in bond strengths achieved on the UV stabilized and antistatic formulations, and a statistically significant increase for the glass and calcium carbonate filled formulations. Surface roughening caused either no effect or a statistically significant decrease in the bondability of CAP. Loctite® E-20HPTM Hysol® Epoxy Adhesive, Fast Setting MEDICAL: Loctite® M-21HPTM Hysol® Epoxy Adhesive, Fast Setting Loctite® E-214HPTM Hysol® Epoxy Adhesive, High Strength 1550 10.7 NOT TESTED Other Important Information • Cellulosics can be stress cracked by uncured cyanoacrylate adhesives, so any excess adhesive should be removed from the surface immediately. • Cellulosics are compatible with acrylic adhesives, but can be attacked by their activators before the adhesive has cured. Any excess activator should be removed from the surface immediately. Loctite® Fixmaster® High Performance Epoxy > 3050u > 21.0u • Surface cleaners: isoprop yl alcohol, Loctite® ODC-Free Cleaner & Degreaser. Loctite® 1942TM Hysol® Hot Melt Adhesive, EVA Based Loctite® 7804TM Hysol® Hot Melt Adhesive Loctite® 3631TM Hysol® Hot Melt Adhesive, Urethane 250 1.7 150 1.0 1950 13.5 NOTES: uThe force applied to the tests’ specimens exceeded the strength of the material, resulting in substrate NOT TESTED: Substrate melted at cure temperature. The addition of the indicated additive (or surface roughening) caused a statistically significant decrease in the bond strength within 95% confidence limits. adhesive 1000 6.9 700 4.8 failure before the actual bond strength achieved by the adhesive could be determined. † Due to the severe deformation of the block shear specimens, testing was stopped before the actual bond strength achieved by the adhesive could be determined Loctite® U-05FLTM Hysol® Urethane Adhesive, High Strength Loctite® Fixmaster® Rapid Rubber Repair (the adhesive bond never failed). The addition of the indicated additive (or surface roughening) caused a statistically significant increase in the bond strength within 95% confidence limits. Loctite® 5900® Flange Sealant, Heavy Body RTV Silicone 200 1.4 The Loctite® Design Guide for Bonding Plastics, Volume 6 25 (psi) Tenite 375E4000012 produced by Eastman Performance Products courtesy of Albis Plastics 2 rms Tenite 3754000012 produced by Eastman Performance Products Unfilled Resin 3 rms RoUghened 19 rms AntioxidAnt 0.15% Irganox 1010 UV stAbilizeR 0.2% Chimasorb 994 flAme RetARdAnt 17% Reofos 35 plAsticizeR 9% Benzoflex 988 lUbRicAnt 0.1% Zinc Stearate filleR #1 17% 497 Fiberglass filleR #2 17% Omyacarb F CzCO3 coloRAnt 1% Green AntistAtic 1.5% Markstat AL-12PDF Image | Design Guide for Bonding Plastics Volume 6 LT-2197
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