Derakane® 441-400

About
DERAKANE® 441-400 epoxy vinyl ester resin is a lower styrene-content resin that has an optimized epoxy backbone and resulting superior thermal properties and corrosion resistance performance which place it as a resin type between DERAKANE 411-350 and DERAKANE 470-300 resins. DERAKANE 441-400 resin offers superior stability compared to conventional vinyl ester resins which provide additional flexibility to fabricators in storage and handling. The raw materials used in the manufacture of this resin are listed as acceptable in FDA regulation Title 21 CFR 177.2420 for repeated use in contact with food, subjerct to user’s compliance with the prescribed limitations of that regulation. APPLICATIONS AND USE DERAKANE® 441-400 resin is designed for ease of fabrication using hand lay-up, spray-up, filament winding, compression molding and resin transfer molding techniques, pultrusion and molded grating applications. This resin is recommended for fabricationg FRP storage tanks, vessels, ducts, and on-site maintenance projects, particularly in chemical processing, pulp and paper operations, including chlorine dioxide bleaching towers.&&

Product Description
Generic乙烯基酯
Material StatusCommercial: Active
FeaturesGood flexibility,Alkali resistant,Corrosion Resistant,Food contact compliance,Acidproof,Good stability,Solvent resistance
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.16g/cm³ASTM D792 , ISO 1183
Solution viscosity430mPa·s
styrene content33%

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed120ASTM D648,ISO 75-2/A
Glass transition temperature125ASTM D3418 , ISO 11357-2

Supplementary informationNominal valueUnitTest method
Volume contraction7.5%

MECHANICALNominal valueUnitTest method
Babbitt hardness35 ASTM D2583
Tensile modulus 
3380MPaASTM D638
3400MPaISO 527-2
tensile strength 
89.6MPaASTM D638
90.0MPaISO 527-2
Tensile strain
yield5.0 to 6.0%ASTM D638 , ISO 527-2
Bending modulus 
3790MPaASTM D790
3800MPaISO 178
bending strength 
145MPaASTM D790
160MPaISO 178

Notes
1. Typical properties: these are not to be construed as specifications.
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