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Pergan - Model PEROXAN A-25 M -Ketone Peroxide
Mixture of Acetylacetone peroxide and tert-Butyl hydroperoxide Solution in diacetone alcohol. PEROXAN A-25 M is used for the curing of unsaturated polyester resins at ambient temperature in combination with cobalt accelerators. PEROXAN A-25 M has been developped for the cure of thick GRP. In comparison to PEROXAN ME-50 L and PEROXAN A-40 L, PEROXAN A-25 M shows a lower peak exotherm in these applications. Depending on working conditions, the following peroxide and accelerator dosage levels are recommended: PEROXAN A-25 M: 2,0 to 4,0 phr. PERGAQUICK C12 X (Cobalt, 1%): 0,2 to 3,0 phr.
Technical data
- Appearance: clear liquid
- Active oxygen assay:appx. 2.7%
- Density at 20°C:1.11 g/cm³
Solubility : Partly soluble in water, soluble in phthalates
Storage
- Maximum storage temperature (Ts max): 25°C
- Minimum storage temperature (Ts min): 5°C
- Storage stability as from date of delivery: 6 months
Hazardous reactions
Keep packaging tightly closed in a well ventilated place at indicated storage temperature. Keep away from reducing agents e.g. amines, acids, alkalis, heavy metal compounds (e.g. accelerators, driers, metal soaps). Never weigh out in storage room.
Oxidizing agent. Decomposes violently under the influence of heat or by contact with reducing agent. Never mix with accelerators.
Safety characteristics
SADT: 60°C
The SADT (Self Accelerating Decomposition Temperature) is the lowest temperature at which a self accelerating decomposition may occur.