United Initiators NOROX®MEKP-9H Methyl ethyl ketone peroxide 1338-23-4

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Description: This document describes the chemical Norox® MEKP-9H, a methyl ethyl ketone peroxide, used as a general purpose curing agent for polyester resins cured at room temperature. It is also suitable for use in heated continuous mixing systems such as polymer concrete and artificial marble products.

Technical data:

Active oxygen content: not more than 9.0%
Form: Liquid
Specific gravity (25°C): 1.11
Flash Point (C.O.C.): 200°F/93°C minimum
Flash point (SETA C.C.): 170°F minimum
Spontaneous decomposition temperature (SADT): 140°F (60°C)
Soluble in: Oxygenated organic solvents
Slightly soluble in: water

Applications: Norox® MEKP-9H is an excellent liquid general purpose curing agent for polyester resins curing at room temperature, where it imparts medium to high exothermic properties to the curing process. It is also well suited as a curing agent for gelatin coatings. Specific resin recommendations can be obtained from the resin supplier.Norox® MEKP-9H is highly refined and essentially free of water, hydrogen peroxide and methyl ethyl ketone. Compared to most polyester resins, Norox® MEKP-9H has a slightly longer gel time, but a similar total cure time.

Packaging, transportation and supply: Norox® MEKP-9H is available in standard package sizes of four 8 lb/four 3.6 kg polyethylene bottles and 44 lb/20 kg Hedpacks.For customized package sizes, contact your local distributor or United Initiators, Inc.Norox® MEKP-9H is available through a nationwide distribution network.The name of the distributor in your area can be obtained by calling United Initiators Inc. for the name of the distributor in your area.

Disclaimer: The information and application technology recommendations in the documentation are based on in-house testing using local raw materials and reflect our current level of knowledge. It is intended to inform interested parties about our products and their possible applications. The documentation should not be interpreted as a guarantee of specific product performance or its suitability for a particular application, nor does it provide complete instructions for use. Technical advances and company developments may lead to changes. The application and use of our products based on our application-specific recommendations is the independent decision and responsibility of the user. It is the user's obligation to verify that the product is suitable for its intended use.

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