Important Safety Information
Methyl Ethyl Ketone Peroxide (MEKP)
MEKP is among the more hazardous materials found in commercial channels. Proper handling of the “unstable (reactive)” chemicals presents a
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valuable to the plastics industry in producing the curing reaction of polyester resins and
:RUNHUVPXVWEHWKRURXJKO\LQIRUPHGRIWKHKD]DUGV that may result from improper handling of MEKP, especially in regards to contamination and heat. They must be thoroughly instructed regarding the
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disposal of MEKP and other hazardous materials used in the laminating operation.
0(.3LVÀDPPDEOHDQGSRWHQWLDOO\H[SORVLYH as well as potentially damaging to the eyes and skin.
Read material manufacturer’s warnings and
PDWHULDO06'6WRNQRZVSHFL¿FKD]DUGVDQG precautions related to MEKP.
Contaminated MEKP can become explosive. Prevent contamination of MEKP with other materi- als, which includes, but is not limited to polyester overspray, polymerization accelerators and promot- ers, and
RIFRQWDPLQDWHVFDQPDNH0(.3H[SORVLYH7KLVUH- action may start slowly, and gradually
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tamination reactions can cause it to reach what is called its
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remain. Spillage can heat up to the point of self- ignition. Dispose in accordance with manufacture’s recommendation.
Store MEKP in a cool, dry and
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Current catalysts are premixed and do not require any diluents. GlasCraft strongly recommends that dilu- ents not be used. Diluants add to the possibility of con- taminates entering the catalyst system. Never dilute MEKP with acetone or any solvent since this can pro-
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Use only original equipment or equivalent parts
IURP*ODV&UDIWLQWKHFDWDO\VWV\VWHP LH KRVHV¿W- tings, etc.) because a hazardous chemical reaction may result between substituted parts and MEKP.
To prevent contact with MEKP, appropriate personal protective equipment, including chemically imperme- able gloves, boots, aprons and goggles are required
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Polyester Resins and Gel-Coats
Spraying materials containing polyester resin and
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Read the material manufacturer’s warnings and ma-
WHULDO06'6WRNQRZVSHFL¿FKD]DUGVDQGSUHFDXWLRQV related to polyester resins and
To prevent contact with polyester resins and gel- coats, appropriate personal protective equipment, including chemically impermeable gloves, boots, aprons and goggles are required for everyone in the
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Spraying and Lamination Operations
Remove all accumulations of overspray, FRP sand- ings, etc. from the building as they occur. If this waste
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If cleaning solvents are required, read material
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GlasCraft recommends that you consult OSHA Sections 1910.94, 1910.106, 1910.107 and NFPA No. 33, Chapter 16,17, and NFPA No. 91 for further guidance.
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