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��. �.. �,_._ . _.. .,� •. .,�.,��.,.� �..,ua.��.a.�,. a.i�+wa�eei� � a r<JJaJJelJ r.e�n YJI <br /> putunl i�uH,ul i,q I nl <br /> ACN WO 46'1 <br /> r""i" eal(:",ur <br /> PON Ne Wiuu IAI <br /> Wel <br /> W clhuill I•;n k.11(,l <br /> Yfl Bo>f;a 21.N'nlLenil Park <br /> NSW'_ W Auslmhl <br /> DuPont Australia lllrpnunr 11219757 it 11 <br /> I'altinnle i1)2)4757 51 ifl <br /> WR3484-02 <br /> 5 July 2002 <br /> TENSILE TESTING OF NYLON HOSECLAMPS <br /> Three nylon hose-clamps manufactured by P and A Tooling were tested for tensile <br /> strength. The samples were allowed to reach equilibrium at 22°C and 50%d relative <br /> humidity for 48 hours before testing. <br /> The clamps were two clamps used in the heat/cool cycling and one new clamp. Each <br /> clamp was cut into three pieces and each piece tested. The piece that had been under <br /> strain in the used clamps was noted. <br /> RESULTS <br /> Sample Load (KN) C Peak %p Elongation @ peak <br /> cycled strained 1.20 44.92 <br /> cycled 1.15 29.26 <br /> cycled 1.18 31.6 <br /> cycled strained 1.23 28.58 <br /> cycled 1.16 33.68 <br /> cycled 1.12 31.36 <br /> New 0.74 68 <br /> New 0.78 6428 <br /> New 0.79 43.64 <br /> It is noted that all the breaks were normal and did not appear to be due to moulding <br /> faults or to faults caused by the heat/cool cycling. <br /> CONCLUSION <br /> There has been an increase in tensile strength in the cycled and a corresponding <br /> decrease in the elongation. <br /> Richard Carey <br /> DEVELOPMENT CHEMIST <br /> DISCLAIMERIle inema an as fenh heroin Is fomlehed bbsoa ontchniAAl Jam lhet Dupe,bAllwee to bArolime a is <br /> Intended fa use by Poo"ne Nv gechn"'kill,of drcb--dlemuuon am nal Mwith Any mn¢nal.eveluaWn el my compawa weer cm.ux <br /> eemnlenepiiornspelfieodemieessendol. The DuPont Company makee no gemtnleeeofeGAIY eM aemmbeao ebllpeYen arliabillty in <br /> connecuwmpll Ovlee. ibU ptlbllwtldn iB nnlmbe uyen beAlkenee la apemen Under.arcuonmende,ianminfringeany pokn4. This <br /> tenon is cepynghl I ellell not to sepm..d esetm in full,O <br /> ** TOTRL PRGE.07 + <br />