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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.
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
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.
Slow or improper curing of resins
Failure to polymerize vinyl ester resins
LDPE production
Copolymerization initiator
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