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Resin Descriptions Bisphenol Epoxy Vinyl Ester Resins Bisphenol epoxy based epoxy vinyl ester resins offer excellent structural properties and very good resistance to many corrosive environments. The resins are styrenated and involve the extension of an epoxy with bisphenol-A to increase molecular weight and feature the characteristic vinyl ester incorporation of methacrylate end groups. The inherent toughness and resilience of epoxy vinyl esters provides enhanced impact resistance as well as improved stress properties, which is advantageous in applications involving thermal and cyclic stress. Non -promoted bisphenol-A based vinyl esters display a minimum six-month shelf life, and the pre -promoted versions feature a three-month shelf life. DION& 9100 Series are non -promoted bisphenol-A epoxy vinyl esters used in lay-up and filament wound pipes for a wide range of acidic, alkaline and assorted chemicals, including many solvents. A pre -promoted version of DION& 9100 is also available. DION& 9102* Series are lower viscosity, reduced molecular weight versions of DION& 9100, with similar corrosion resistance, mechanical properties and storage stability. The DION& 9102 series also features improved curing at lower promoter levels for enhanced performance in filament winding applications. DION& 9102-00 is unique since it is certified to NSF/ ANSI Standard 61 for use in domestic and commercial potable water applications involving both piping and tanks at ambient temperature. DION& IMPACT 9160 is a low styrene content (<35%) version of DION& 9100. DION& IMPACT 9102-70 (US) is a special version and offers lower color, reduced viscosity and improved curing at lower promoter levels. The resin is particularly suited for filament winding applications which require fast and efficient wet -out of reinforcement. It is certified to NSF/ANSI Standard 61 for potable water tank and piping at ambient temperature. DION& FR 9300 Series are non -promoted, flame retardant vinyl esters with corrosion resistance similiar to DION@ 9100 and DION& 9102. Resin laminates dis- play a Class I flame spread with the addition of 1.5% antimony trioxide or 3.0% antimony pentoxide. DION@ FR 9300 is frequently used in flame retardant ducting which conforms to the requirements of the Inter- national Congress of Building Officials (ICBG). It has also been used in the field fabrication of large dia- meter Chiyoda-type Jet Bubbling Reactors (JBRs) associated with gypsum by-product flue gas desulfur- ization projects by major utility companies. Chimney and stack liners have been other major applications. DION& FR 9310 & 9315 Series arenon-promoted, pre- mium flame retardant resins designed to meet ASTM E 84 Class I flame spread properties without the addi- tion of antimony based synergists. DION@ FR 9310 & 9315 series resins also have low VOC content (<35%) and provide corrosion resistance equal to, or in some cases superior, to well-recognized DION@ FR 9300 & 9315 resin. Urethane -Modified Vinyl Ester Resins DION& 9800 Series (formerly Atlac® 580-05 & 580-05A) are premium highly regarded special urethane modified vinyl esters with distinguishing features. The vinyl ester does not foam when catalyzed with ordinary methyl ethyl ketone peroxide (MEKP) and displays excellent glass wet -out characteristics. It may also be thixed with conventional (non -hydrophobic) grades of silica carbide. DION& 9800 is well-suited for hand lay-up, filament winding, and pultrusion applications and dis- plays many user-friendly features. DION& 9800 displays exceptional wetting characteristics with carbon fiber, aramid, and conventional glass fibers. The resin has superior acid, alkaline, bleach and other corrosion resistant properties.