Perodox MEKP

MEKP is a peroxide mixture, specially developed for the production and cure of thick laminates and for applications where a high peak exotherm should be avoided. Application: pipes, tanks, windmill rotors.

CAS No.

1338-23-4

TSCA Status

listedon inventory

EINECS/ELINCS No.

215-661-2

Density, 20 °C

1.130g/cm³

Viscosity, 20 °C

20 mPa.s

MEKP is a methyl ethyl ketone peroxide formulation for the curing of unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures. MEKP is suitable for the cure of both thin and thick sections in one particular product.

Organic peroxides are thermally unstable substances, which may undergo self-accelerating decomposition. The lowest temperature at which self-accelerating decomposition of a substance in the original packaging may occur is the Self-Accelerating Decomposition Temperature (SADT). The SADT is determined on the basis of the Heat Accumulation Storage Test.

SADT 60°C

Method The Heat Accumulation Storage Test is a recognized test method for the determination of the SADT of organicperoxides (see Recommendations on theTransport of Dangerous Goods, Manual ofTests and Criteria - United Nations, New York and Geneva).

Due to the relatively unstable nature of organic peroxides a loss of quality can be detected over a period of time. To minimize the loss of quality, Do Sender Chem recommends a maximum storage temperature (Ts max.) for each organic peroxide product.

Ts Max. 25°C

Note When stored under these recommended storage conditions, MEKP will remain within the Do Sender Chemspecifications for a period of at least3 months after delivery.

20 kg corrugated box packaging.

MEKP is classified as Organic peroxide type D; liquid, Division 5.2; UN 3105

Carbon dioxide, water, acetic acid, formic acid, propionic acid, methyl ethyl ketone.

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