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Perkadox BTW-50

Perkadox® BTW-50 is a 50% phthalate free dibenzoyl peroxide paste for curing unsaturated polyester resins at ambient and elevated temperatures.

Additional information

Supplier

Brand

Perkadox

Chemical Short Name

BPO

Product CAS nr

94-36-0

Industry

Automotive & Transportation, Building & Construction, Home Renovation, Marine Vessels, Petrochemical, Wind Energy

Specifications

Appearance White homogeneous paste
Assay 48.5-51.0 %

Characteristics

Density, 20 °C 1.200 g/cm³
Viscosity, 20 °C thixotropic paste mPa.s

Applications

Perkadox® BTW-50 is a paste containing 50% dibenzoyl peroxide without phthalate for the curing of unsaturated polyester resins at ambient and elevated temperatures. At temperatures up to 80°C, Perkadox® BTW-50 should be used in combination with an aromatic tertiary amine accelerator, above 80°C the use of an accelerator is not required. Perkadox® BTW-50 has primarily been developed for the putty market. For non filled systems, Perkadox® 40E is better applicable with respect to miscibility with the UP resin. Perkadox® BTW-50 shows a very good chemical and physical stability and is therefore very suitable for tube filling. The curing system Perkadox® BTW-50/amine accelerator shows a very fast cure that is hardly influenced by humidity and fillers. Even at low temperatures a relatively good cure will be obtained. A disadvantage may be the yellow color and poor light resistance of the moulded product.

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Thermal Stability,80℃:≥24h
Gel time:12-30min

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Color (Gardner):1.0max
Flash Point (℃):150↑
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Hydrolyzable Chlorine Content (ppm):1000↓
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