Perkadox BTW-50
CAS number 94-36-0
Perkadox® BTW-50 is the preferred BPO paste for unsaturated polyester & vinyl ester resins. CAS Number | Active oxygen content peroxide |
94-36-0 | 6.61% |
Appearance | EINECS/ELINCS |
White homogeneous paste | No.202-327-6 |
TSCA status | |
Listed on inventory | |
Characteristics | |
Density, 20°C | 1.200 g/cm³ |
Viscosity, 20°C | thixotropic paste mPa.s |
Application | |
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 istherefore 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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