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EFOX® 20 S500 is a di-tert-butyl peroxide initiator suitable for use between 95°C and 185°C. It is typically used for producing low-density polyethylene (LDPE) products, providing rapid reaction initiation and curing.
EFOX® 20 S500 is an initiator from AKPA that offers enhanced reliability for the production of low-density polyethylene resins. It contains a high-purity solution of di-tert-butyl peroxide with an assay of 99.0% and an active oxygen content of 10.83%. Suitable for use in the polymerization and copolymerization of resins, this initiator can be used in both autoclave and pipe-type processes. It may also be used in the copolymerization of styrene, acrylate, or methacrylate resin solutions.
Density @ 20°C: 0.8 g/cm³
Viscosity @ 20°C: 0.9 mPa·s
Conductivity: 1000 pS/m min
Active oxygen content: 10.83% min
Assay: 99.0% min
SADT: 80°C
Shelf life: 6 months
CAS No. 110-05-04
Primary Chemistry: Di-tert-butyl peroxide
Di-tert-butyl peroxide
Initiator for LDPE
Assists with copolymerization
Compliant with REACH regulations EC No 1907/2006 and EC No 1272/2008 and Commission Regulation EU No 2015/830
Slow or improper curing of resins
Failure to polymerize vinyl ester resins
LDPE production
Copolymerization initiator
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