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L <br />Resin Descriptions <br />DIONO 6694* Series are bisphenol fumarate resins mod- <br />ified to optimize the unique properties of bisphenol fum- <br />arate polyesters. These resins offer excellent chemical <br />resistance. They are well suited to hot alkaline environ- <br />ments, like those found in caustic/chlorine production, <br />and to oxidizing environments, like those used in pulp <br />bleaching . <br />Isophthalic and Terephthalic Unsaturated Polyester Resins <br />Isophthalic and terephthalic resins formulated for corros- <br />ion applications are higher in molecular weight than those <br />often used in marine and other laminated composites. <br />These polyesters display excellent structural properties <br />and are resistant to acids, salts, and many dilute <br />chemicals at moderate temperature. Resins are rigid, <br />and some terephthalic resins offer improved resiliency. <br />They perform well in acidic enviroments, however they <br />are not recommended for caustic or alkaline environments, <br />and the pH should be kept below 10.5. Oxidizing environ- <br />ments usually present limitations. These resins have <br />good stability, with a minimum 3 -month shelf life. <br />DIONO 6334* Series are resilient non -promoted non - <br />thixotropic resins. Their use is typically restricted to non- <br />agressive ambient temperature applications, such as <br />seawater. <br />DIONO 6631" Series are rigid, thixotropic, pre -promoted <br />isophthalic resins developed for hand lay-up, spray -up, <br />and filament winding. A version which complies with <br />SCAQMD Rule 1162 is also available. <br />DION@ 490 Series (Formerly AtlacO 490) are thixotropic, <br />pre -promoted resins formulated for high temperature <br />corrosion service that requires good organic solvent re- <br />sistance. A key feature is the high crosslink density, <br />which yields good heat distortion and chemical resist- <br />ance properties. The most notable commercial applicat- <br />ion relates to gasoline resistance, including gasoline/ <br />alcohol mixtures, where it is an economical choice. <br />Approval has been obtained under the UL 1316 stand- <br />ard. In some applications DION® 490 offers performance <br />comparable with that of novolac epoxy based vinyl <br />esters, but at a much lower cost. <br />DIONO 495 Series are lower molecular weight and lower <br />VOC versions of DION0490 . <br />-DION® 6334, 6631, 9100, 382 and 9102 comply with FDA 7d1e21 CFR177.2420 and can be used for <br />food contact applications when properly formulated and cured by the composite fabricator. <br />Laminates at Temperature <br />Resin <br />Flexural Strength, psi <br />Flexural Modulus, x 106 psi <br />77° F <br />150° F <br />200° F <br />250° F <br />300° F <br />77° F <br />150° F <br />200° F <br />250° F <br />300° F <br />DION09100 32800 <br />33100 <br />25700 <br />3000 <br />- <br />1.17 <br />1.12 <br />0.83 <br />0.37 <br />-- <br />DIONO FR 9300 31700 <br />30600 <br />30500 <br />5100 <br />2800 <br />1.53 <br />1.35 <br />1.22 <br />0.23 <br />0.19 <br />DIONG 9800 26300 <br />25600 <br />23100 <br />19200 <br />7400 <br />1.01 <br />0.87 <br />0.74 <br />0.58 <br />0.32 <br />DIONG 9400 30000 <br />31800 <br />33500 <br />26000 <br />7900 <br />1.50 <br />1.38 <br />1.25 <br />0.93 <br />0.46 <br />DIONS 6694 28700 <br />30400 <br />30700 <br />29600 <br />20900 <br />1.50 <br />1.39 <br />1.25 <br />1.08 <br />0.87 <br />DION® 6631 31000 <br />28600 <br />24000 <br />14700 <br />4300 <br />1.38 <br />1.20 <br />0.85 <br />0.50 <br />0.31 <br />DIONG 382 25500 <br />27000 <br />23500 <br />17500 <br />- <br />1.21 <br />1.10 <br />1.00 <br />0.88 <br />- <br />DION®797 30100 <br />30000 <br />29600 <br />25200 <br />15400 <br />1.50 <br />1.35 <br />1.16 <br />0.91 <br />0.48 <br />DIONO 490 23600 <br />25800 <br />25500 <br />22600 <br />17100 <br />1.08 <br />0.99 <br />0.85 <br />0.60 <br />0.41 <br />Laminate Construction V/M/MIWR/M/WR/MIWR/M <br />WR = 24 oz woven roving <br />V = 10 mil C -glass veil <br />Glass content = 45% <br />M = 1.5 oz/ sq ft chopped glass <br />mat <br />