MSDS
MATERIAL SAFETY DATA SHEET 3M™ Dynatron® MEKP Liquid Hardener 09/12/11 
____________________________________________________________________________________
_____________ 
Page 1 of 9 
Material Safety Data Sheet 
Copyright, 2011, 3M Company All rights reserved. Copying and/or downloading of this information for the purpose 
of properly 
utilizing 3M products is allowed provided that: (1) the information is copied in full with no changes unless prior 
written agreement is 
obtained from 3M, and (2) neither the copy nor the original is resold or otherwise distributed with the intention of 
earning a profit 
thereon. 
SECTION 1: PRODUCT AND COMPANY IDENTIFICATION 
PRODUCT NAME: 3M™ Dynatron® MEKP Liquid Hardener 
MANUFACTURER: 3M 
DIVISION: Automotive Aftermarket 
ADDRESS: 3M Center, St. Paul, MN 55144-1000 
EMERGENCY PHONE: 1-800-364-3577 or (651) 737-6501 (24 hours) 
Issue Date: 09/12/11 
Supercedes Date: 01/21/10 
Document Group: 24-8475-6 
Product Use: 
Intended Use: Automotive 
Specific Use: Curing Agent 
SECTION 2: INGREDIENTS 
Ingredient C.A.S. No. % by Wt 
DIMETHYL PHTHALATE 131-11-3 30 - 60 
METHYL ETHYL KETONE PEROXIDE 1338-23-4 15 - 40 
2,2,4-TRIMETHYL-1,3-PENTANEDIOL DIISOBUTYRATE 6846-50-0 10 - 30 
METHYL ETHYL KETONE 78-93-3 1 - 5 
HYDROGEN PEROXIDE 7722-84-1 0.5 1.5 
WATER 7732-18-5 0.5 1.5 
SECTION 3: HAZARDS IDENTIFICATION 
3.1 EMERGENCY OVERVIEW 
Odor, Color, Grade: Slight odor. Clear. 
General Physical Form: Liquid 
Immediate health, physical, and environmental hazards: Closed containers exposed to heat from fire may build 
pressure and 
explode. Vapors may travel long distances along the ground or floor to an ignition source and flash back. May cause 
chemical 
eye burns. May cause severe skin irritation. May cause target organ effects. 
MATERIAL SAFETY DATA SHEET 3M™ Dynatron® MEKP Liquid Hardener 09/12/11 
____________________________________________________________________________________
_____________ 
Page 2 of 9 
3.2 POTENTIAL HEALTH EFFECTS 
Eye Contact: 
Corrosive (Eye Burns): Signs/symptoms may include cloudy appearance of the cornea, chemical burns, severe pain, 
tearing, 
ulcerations, significantly impaired vision or complete loss of vision. 
Skin Contact: 
Severe Skin Irritation: Signs/symptoms may include localized redness, swelling, itching, dryness, cracking, 
blistering, and pain. 
Prolonged or repeated exposure may cause: 
Dermal Effects: Signs/symptoms may include changes in skin pigmentation and/or coloration. 










