PLASPEROX TBP – 50 is a yellowish mobile liquid consisting of ca. 50% w/w t-butyl perbenzoate de-sensitised with plasticizers. This aromatic perester is also available as a technically pure liquid but can be hazardous in this form. The peroxide is used as an initiator (radical source) in the curing of unsaturated polyester resins. Main application : Hot Press moulding of DMC at 130 – 1600 C.

Properties:

Appearance	Yellowish Liquid
Molecular Weight	194
Active Oxygen	4.12% ww minimum
Peroxide Content	ca. 50% w/w
Density @ 20 degree C	ca. 1.11 g/c cm
Viscosity @ 20 degree C	ca 1.505
Cold Storage Stability	below 5 degree C