INDEX

CR19M
CR19M05
CR19M1
CR19M2
CR19M8
CR19MC05
CR19MC1
CR19MC2
CR19MC8

Composite Resource MEKPCatalyst
Safety Data SheetCR19M
according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations
Date ofissue:11/25/2014 Revision date: Supersedes: Version:1.0
11/26/2014 EN(English) SDS ID:CR19M Page 1
SECTION 1:Identification of the substance/mixture and of the company/undertaking
1.1. Product identifier
Product form :Mixture
Trade name :Composite Resource MEKP Catalyst
CAS No :Mixture
Product code :CR19MC1, CR19MC2 and CR19MC8
Other means of identification :DISTRIBUTED BY REVCHEM COMPOSITES, INC.
1.2. Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture :Catalyst
1.3. Details of the supplier of the safety data sheet
Composite Resources is suppliedby Revchem Composites. 2720 South Willow Ave., Bloomington, CA 92316 1-800-281-4975
1.4. Emergency telephone number
Emergency number :800.424.9300
CHEMTREC: 1-800-424-9300
SECTION 2:Hazards identification
2.1. Classification of the substance or mixture
GHS-US classification
Flam. Liq. 2 H225
Acute Tox. 4 (Oral) H302
Acute Tox. 4 (Inhalation:dust,mist)H332
2.2. Label elements
GHS-US labelling
Hazard pictograms (GHS-US) :
GHS02 GHS07
Signal word (GHS-US) :Danger
Hazard statements(GHS-US) :H225-Highly flammable liquid and vapour
H302+H332-Harmful if swallowed or if inhaled
Precautionary statements (GHS-US) :P210-Keep away from heat/sparks/open flames/hot surfaces.-No smoking
P233-Keep container tightly closed
P240-Ground/bond container and receiving equipment
P241-Use explosion-proof electrical/ventilating/lighting/ equipment
P242-Use only non-sparking tools
P243-Take precautionary measures against static discharge
P261-Avoid breathing dust/fume/gas/mist/vapours/spray
P264-Wash … thoroughly after handling
P270-Do not eat, drink or smoke when using this product
P271-Use only outdoors or in a well-ventilated area
P280-Wear protective clothing
P301+P312-IF SWALLOWED: call a POISON CENTER or doctor/physician if you feel unwell
P303+P361+P353-IF ON SKIN (or hair): Remove/Take off immediately all contaminated
clothing. Rinse skin with water/shower
P304+P340-IF INHALED: remove victim to fresh air and keep at rest in a position comfortable
for breathing
P312-Call a POISON CENTER/doctor/physician if you feel unwell
P330-If swallowed, rinse mouth
P370+P378-In case of fire: Use … for extinction
P403+P235-Store in a well-ventilated place. Keep cool
P501-Dispose of contents/container to …
2.3. Other hazards
No additional information available

Composite Resource MEKPCatalyst
Safety Data SheetCR19M
according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations
11/26/2014 EN(English) SDS ID:CR19M 2/9
2.4. Unknown acute toxicity (GHS-US)
No data available
SECTION 3:Composition/information on ingredients
3.1. Substance
Not applicable
Full text of H-phrases: see section 16
3.2. Mixture
Name Productidentifier % GHS-US classification
dimethyl phthalate (CAS No)131-11-3 35-60 Not classified
methylethyl ketone peroxide (CAS No)1338-23-4 32-35 Acute Tox. 4 (Oral), H302
phlegmatizer (CAS No)PROPRIETARY 6-26 Not classified
methyl ethyl ketone (CAS No)78-93-3 0-2 Flam. Liq. 2, H225
hydrogen peroxide, aqueous solutions, 8%<=conc<20% (CAS No)7722-84-1 < 1 Acute Tox. 4 (Oral), H302 WATER (CAS No)7732-18-5 <= 1 Not classified SECTION 4:First aid measures 4.1. Description of first aid measures First-aid measures general :Never give anything by mouth to an unconscious person. If you feel unwell, seek medical advice (show the label where possible). First-aid measures after inhalation :Assure fresh air breathing. Allow the victim to rest.Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER/doctor/physician if you feel unwell. First-aid measures after skin contact :Rinse skin with water/shower. Remove/Take off immediately all contaminated clothing. First-aid measures after eye contact :Rinse immediately with plenty of water. Obtain medical attention if pain, blinking or redness persist. First-aid measures after ingestion :Rinse mouth. Do NOT induce vomiting. Obtain emergency medical attention. Call a POISON CENTER/doctor/physician if you feel unwell. 4.2. Most important symptoms and effects, both acute and delayed Symptoms/injuries after inhalation :Danger of serious damage to health by prolonged exposure through inhalation. Harmful if inhaled. Symptoms/injuries after ingestion :Swallowing a small quantity of this material will result in serious health hazard. 4.3. Indication of any immediate medical attention and special treatment needed Until victim can be cared for by specialized staff: SECTION 5:Firefighting measures 5.1. Extinguishing media Suitable extinguishing media :Foam. Dry powder. Carbon dioxide. Water spray. Sand. Unsuitable extinguishing media :Do not use a heavy water stream. 5.2. Special hazards arising from the substance or mixture Fire hazard :Heating increases the fire hazard. Heating may cause a fire. Heating may cause a fire or explosion. Insufficient data available on direct fire hazard (flashpoint > 100 C). Self-heating in
large quantities; may catch fire.Temperature above flashpoint: higher fire/explosion hazard.
Highly flammable liquid and vapour.
Explosion hazard :May form flammable/explosive vapour-air mixture.
5.3. Advice for firefighters
Firefighting instructions :Use water spray or fog for cooling exposed containers. Exercise caution when fighting any
chemical fire. Avoid (reject) fire-fighting water to enter environment.
Protection during firefighting :Do not enter fire area without proper protective equipment, including respiratory protection.
SECTION 6:Accidental release measures
6.1. Personal precautions, protective equipment and emergency procedures
General measures :Remove ignition sources. Use special care to avoid static electric charges. No naked lights. No
smoking.
6.1.1.For non-emergency personnel
Emergency procedures :Evacuate unnecessary personnel.

Composite Resource MEKPCatalyst
Safety Data SheetCR19M
according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations
11/26/2014 EN(English) SDS ID:CR19M 3/9
6.1.2.For emergency responders
Protective equipment :Equip cleanup crew with proper protection.
Emergency procedures :Ventilate area.
6.2. Environmental precautions
Prevent entry to sewers and public waters. Notify authorities if liquid enters sewers or public waters.
6.3. Methods and material for containment and cleaning up
Methods for cleaning up :Soak up spills with inert solids, such as clay or diatomaceous earth as soonas possible. Collect
spillage. Store away from other materials.
6.4. Reference to other sections
See Heading 8. Exposure controls and personal protection.
SECTION 7:Handling and storage
7.1. Precautions for safe handling
Additional hazards when processed :Handle empty containers with care because residual vapours are flammable.
Precautions for safe handling :Wash hands and other exposed areas with mild soap and water before eat, drink or smoke and
when leaving work. Provide good ventilation in process area to prevent formation of vapour. No
naked lights. No smoking. Use only non-sparking tools. Use only outdoors or in a well-ventilated
area. Avoid breathing dust/fume/gas/mist/vapours/spray.
Hygiene measures :Do not eat, drink or smoke when using this product. Wash … thoroughly after handling.
7.2. Conditions for safe storage, including any incompatibilities
Technical measures :Proper grounding procedures to avoid static electricity should be followed. Ground/bond
container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/
equipment.
Storage conditions :Keep only in the original container in a cool, well ventilated place away from : Keep in fireproof
place. Keep container tightly closed.
Incompatible products :Strong bases. strong acids.
Incompatible materials :Sources of ignition. Direct sunlight. Heat sources.
7.3. Specific end use(s)
No additional information available
SECTION 8:Exposure controls/personal protection
8.1. Control parameters
methylethyl ketone peroxide (1338-23-4)
USA ACGIH ACGIH Ceiling (ppm) 0.2 ppm
dimethyl phthalate (131-11-3)
USA ACGIH ACGIH TWA (mg/m ) 5 mg/m
hydrogen peroxide, aqueous solutions, 8%<=conc<20% (7722-84-1) USA ACGIH ACGIH TWA (ppm) 1 ppm USA ACGIH ACGIH STEL(ppm) 1 ppm methyl ethyl ketone (78-93-3) USA ACGIH ACGIH TWA (ppm) 200 ppm USA ACGIH ACGIH STEL (ppm) 300 ppm 8.2. Exposure controls Personal protective equipment :Avoid all unnecessary exposure. Hand protection :Wear protective gloves. Eye protection :Chemical goggles or safety glasses. Respiratory protection :Wear approved mask. Other information :When using, do not eat, drink or smoke. SECTION 9:Physical and chemical properties 9.1. Information on basic physical and chemical properties Physical state :Liquid Composite Resource MEKPCatalyst Safety Data SheetCR19M according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 11/26/2014 EN(English) SDS ID:CR19M 4/9 Appearance :Water.White. Colour :Clear Odour :Slight Odour threshold :No data available pH :No data available Relative evaporation rate (butylacetate=1):No data available Melting point :No data available Freezing point :No data available Boiling point :No data available Flash point :93 C(>200 F)
Auto-ignition temperature :No data available
Decomposition temperature :No data available
Flammability (solid, gas) :No dataavailable
Vapour pressure :No data available
Relative vapour density at 20 C :No data available
Relative density :> 1
Solubility :Water:Slightly Soluble in Water
Log Pow :No data available
Log Kow :No data available
Viscosity,kinematic :No data available
Viscosity, dynamic :No data available
Explosive properties :No data available
Oxidising properties :No data available
Explosive limits :No data available
9.2. Other information
SADT :> 60 C (140 Deg F)
SECTION 10:Stability and reactivity
10.1.Reactivity
No additional information available
10.2.Chemical stability
Stable under normal conditions. Not established. Highly flammable liquid and vapour. May form flammable/explosive vapour-air mixture.
10.3.Possibility of hazardous reactions
Not established.
10.4.Conditions to avoid
Contamination. Direct sunlight. Open flames. Prolonged storage above 100 F (38 C). Storage above SADT. Storage near flammable or combustible
materials.
10.5.Incompatiblematerials
Dimethylanline, cobalt napthenate and other promoters, promoted resins, accelerators, oxidizing and reducing agents, strong acids, bases, metals,
metal alloys and salts, sulfur compounds, amines or any hot material.
10.6.Hazardous decompositionproducts
Decomposition products are flammable. Acrid smoke and irritating fumes.
SECTION 11:Toxicological information
11.1.Information on toxicological effects
Acute toxicity :Harmful if swallowed. Harmful if inhaled.
methylethyl ketone peroxide(1338-23-4)
LD50 oral rat 484 mg/kg (Rat)
LC50 inhalation rat (mg/l) 1.5 mg/l/4h (Rat)
LC50 inhalation rat (ppm) 200 ppm/4h (Rat)

Composite Resource MEKPCatalyst
Safety Data SheetCR19M
according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations
11/26/2014 EN(English) SDS ID:CR19M 5/9
dimethyl phthalate (131-11-3)
LD50 oral rat 6800 mg/kg (Rat)
LD50 dermal rat > 4800 mg/kg (Rat)
LD50 dermal rabbit >10000 mg/kg (Rabbit)
hydrogen peroxide, aqueous solutions, 8%<=conc<20% (7722-84-1) LD50 oral rat 1518 mg/kg (Rat) LD50 dermal rabbit > 2000 mg/kg (Rabbit)
methyl ethyl ketone (78-93-3)
LD50 oral rat 2737 mg/kg (2054 mg/kg; 2328 mg/kg; Rat; Rat;Rat)
LD50 dermal rabbit 6480 mg/kg (>10; Rabbit; Rabbit; Experimental value,>10; Rabbit; Rabbit; Experimental value)
LC50 inhalation rat (mg/l) 34 mg/l/4h (Rat)
LC50 inhalation rat (ppm) 11300 ppm/4h (Rat)
ATE CLP (oral) 2737.000 mg/kg bodyweight
ATECLP (dermal) 6480.000 mg/kg bodyweight
ATE CLP (gases) 11300.000 ppmv/4h
ATE CLP (vapours) 34.000 mg/l/4h
ATE CLP (dust,mist) 34.000 mg/l/4h
Skin corrosion/irritation :Not classified
Serious eye damage/irritation :Not classified
Respiratory or skin sensitisation :Not classified
Germ cell mutagenicity :Not classified
Based on available data, the classification criteria are not met
Carcinogenicity :Not classified
hydrogen peroxide, aqueous solutions, 8%<=conc<20% (7722-84-1) IARC group 3-Not classifiable Reproductive toxicity :Not classified Based on available data, the classification criteria are not met Specific target organ toxicity (single exposure):Not classified Specific target organ toxicity (repeated exposure) :Not classified Based on available data, the classification criteria are not met Aspiration hazard :Not classified Based on available data, the classification criteria are not met Potential Adverse human health effects and symptoms :Based on available data, the classification criteria are not met. Harmful if swallowed. Harmful if inhaled. Symptoms/injuries after inhalation :Danger of serious damage to health by prolonged exposure through inhalation. Harmful if inhaled. Symptoms/injuries after ingestion :Swallowing a small quantity of this material will result in serious health hazard. Likely routes of exposure :Inhalation SECTION 12:Ecological information 12.1.Toxicity dimethyl phthalate (131-11-3) LC50 fishes 1 39 ppm (96 h; Pimephales promelas) EC50 Daphnia 1 33 mg/l (48 h; Daphnia magna) EC50 other aquatic organisms 1 42.7 mg/l (96 h; Selenastrum capricornutum; Growth) LC50 fish 2 56 mg/l 96 h; Salmo gairdneri (Oncorhynchus mykiss) EC50 Daphnia 2 150 mg/l (24 h; Daphnia magna) EC50 other aquatic organisms 2 204 mg/l (72 h; Scenedesmus subspicatus) Threshold limit algae 1 125 ppm (96 h; Pyrrophyta) methyl ethyl ketone (78-93-3) LC50 fishes 1 1690 mg/l (96 h; Lepomis macrochirus; LETHAL) EC50 Daphnia 1 308 mg/l (48 h; Daphnia magna; LOCOMOTOR EFFECT) Composite Resource MEKPCatalyst Safety Data SheetCR19M according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 11/26/2014 EN(English) SDS ID:CR19M 6/9 methyl ethyl ketone (78-93-3) LC50 fish 2 2990 mg/l (96 h; Pimephales promelas) TLM fish 1 5600 mg/l (96 h; Gambusia affinis) TLM fish 2 1690 mg/l (96 h; Lepomis macrochirus) TLM other aquatic organisms 1 > 1000 ppm (96 h)
Threshold limit algae 1 110 mg/l (168 h; Microcystis aeruginosa)
Threshold limit algae 2 4300 mg/l (192 h; Scenedesmus quadricauda)
12.2.Persistence and degradability
Composite Resource MEKP-CATALYST(Mixture)
Persistence and degradability Not established.
methylethyl ketone peroxide (1338-23-4)
Persistence and degradability Readily biodegradable in water.
ThOD 1.816 g O /g substance
dimethyl phthalate (131-11-3)
Persistence and degradability Readily biodegradable in water. Forming sediments in water. Biodegradable in the soil.
Biochemical oxygen demand (BOD) 1.12 g O /g substance
Chemical oxygen demand (COD) 1.7 g O /g substance
ThOD 1.73 g O /g substance
BOD (% of ThOD) 0.6473 % ThOD
hydrogen peroxide, aqueous solutions, 8%<=conc<20% (7722-84-1) Persistence and degradability Biodegradability: not applicable. No (test)data on mobility of the components available. Photolysis in the air. Biochemical oxygen demand (BOD) Not applicable Chemical oxygen demand (COD) Not applicable ThOD Not applicable BOD (% of ThOD) Not applicable methyl ethyl ketone (78-93-3) Persistence and degradability Readily biodegradable in water. Biodegradable in the soil. Biodegradable in the soil under anaerobic conditions. Not established. Biochemical oxygen demand (BOD) 1.92 g O /g substance Chemical oxygen demand (COD) 2.31 g O /g substance ThOD 2.44 g O /g substance BOD (% of ThOD) 0.79 % ThOD PHLEGMATIZER (PROPRIETARY) Persistence and degradability Not established. WATER (7732-18-5) Persistence and degradability Not established. 12.3.Bioaccumulative potential Composite Resource MEKP-CATALYST(Mixture) Bioaccumulative potential Not established. methylethyl ketone peroxide (1338-23-4) BCF other aquatic organisms 1 13 (Estimated value) Log Pow 0.914 (Estimated value) Bioaccumulative potential Low potential for bioaccumulation (Log Kow < 4). dimethyl phthalate (131-11-3) BCF fish 1 4.7-6 (24 h; Cyprinodon variegatus) BCF fish 2 57 (Lepomis macrochirus) BCF other aquatic organisms 1 4.7 (24 h; Crangon crangon) BCF other aquatic organisms 2 3.1-6.3 (24 h; Penaeus sp.) Log Pow 1.5-2.12 Bioaccumulative potential Low potential for bioaccumulation (BCF < 500). Composite Resource MEKPCatalyst Safety Data SheetCR19M according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 11/26/2014 EN(English) SDS ID:CR19M 7/9 hydrogen peroxide, aqueous solutions, 8%<=conc<20% (7722-84-1) Log Pow -1.36 Bioaccumulative potential Bioaccumulation: not applicable. methyl ethyl ketone (78-93-3) Log Pow 0.3 (Experimental value; 40 C,Experimental value; 40 C) Bioaccumulative potential Low potential for bioaccumulation (Log Kow < 4). Not established. PHLEGMATIZER (PROPRIETARY) Bioaccumulative potential Not established. WATER (7732-18-5) Bioaccumulative potential Not established. 12.4.Mobility in soil methyl ethyl ketone (78-93-3) Surface tension 0.024 N/m (20 C) Ecology-soil Slightly harmful to plants. 12.5.Otheradverse effects Other information :Avoid release to the environment. SECTION 13:Disposal considerations 13.1.Waste treatment methods Waste disposal recommendations :Dispose in a safe manner in accordance with local/national regulations. Dispose of contents/container to ... Additional information :Handle empty containers with care because residual vapours are flammable. Ecology-waste materials :Avoid release to the environment. SECTION 14:Transport information In accordance with DOT UN-No.(DOT) :3105 DOT Proper Shipping Name :ORGANIC PEROXIDE TYPE D, LIQUID Department of Transportation (DOT) Hazard Classes :5.2-Class 5.2-Organic Peroxide 49 CFR 173.128 Hazard labels (DOT) :5.2-Organic peroxide Packing group (DOT) :II-MediumDanger Additional information Other information :No supplementary information available. ADR Transport document description :UN 3105 ORGANIC PEROXIDE TYPE D, LIQUID, 5.2, II Packing group (ADR) :II Class (ADR) :5.2-Organic peroxides Transport by sea UN-No. (IMDG) :3105 Proper Shipping Name (IMDG) :ORGANIC PEROXIDE TYPE D, LIQUID Class (IMDG) :5.2-Organic peroxides Packing group (IMDG) :II-substances presenting medium danger Air transport UN-No.(IATA) :3105 Proper Shipping Name(IATA) :ORGANIC PEROXIDE TYPE D, LIQUID Composite Resource MEKPCatalyst Safety Data SheetCR19M according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 11/26/2014 EN(English) SDS ID:CR19M 8/9 Class (IATA) :5.2-Organic Peroxides Packing group (IATA) :II-Medium Danger SECTION 15:Regulatory information 15.1. US Federal regulations Chemical Name CAS Number Percent Dimethyl Phthalate 131-11-3 35-60 Methyl Ethyl Ketone 78-93-3 0-2 Reportable Quantity 2-Butanone Peroxide (MEKP) 10 lbs (4.54 kg) Australian Inventory of Chemical Substances (AICS) The ingredients in this product are listed in Australian AICS Inventory. Canadian Domestic Substances List (DSL) The ingredients in this product are listed in the Canadian DSL Inventory. Chinese Inventory of Existing Chemical Substances Manufactured or Imported in China (IECSC) The ingredients in this product are listed in Chinese IECSC Inventory. European Inventory of Existing Commercial Chemical Substances (EINECS) The ingredients in this product are listed in the European EINECS Inventory. Japanese Exiting and New Chemical Substances (ENCS) The ingredients in this product are listed in the Japanese ENCS Inventory. Korean Existing Chemicals List (ECL) The ingredients in this product are listed in the Korean ECL Inventory. US Toxic Substances Control Act (TSCA) The ingredients in this product are listed in the US TSCA Inventory. Status of Carcinogicity Not recognized as a carcinogen by the IARC, NTP or OSHA 15.2. International regulations CANADA No additional information available EU-Regulations No additional information available Classification according to Regulation (EC) No. 1272/2008 [CLP] Unst. Expl.H200 Eye Irrit. 2H319 STOT SE 3H335 Full text of H-phrases: see section 16 Classification according to Directive 67/548/EEC or 1999/45/EC Not classified Composite Resource MEKPCatalyst Safety Data SheetCR19M according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations 11/26/2014 EN(English) SDS ID:CR19M 9/9 15.2.2.National regulations No additional information available 15.3. US State regulations No additional information available SECTION 16:Other information Other information :None. Full text of H-phrases: see section 16: ------Acute Tox. 4 (Inhalation:dust,mist) Acute toxicity (inhalation:dust,mist) Category 4 ------Acute Tox. 4 (Oral) Acute toxicity (oral), Category 4 ------Flam. Liq. 2 Flammable liquids, Category 2 ------H225 Highly flammable liquid and vapour ------H302 Harmful if swallowed ------H332 Harmful if inhaled SDS US (GHS HazCom 2012) To the best of our knowledge this SDS is accurate. The the extent allowed by law, this statement is made in lieu of an other warranties, expressed or implied including butnot limited to any implied warranty of merchantability or fitness for a particular purpose and is in lieu of any other obligationsor liability on the part of Dura Technoligies, Inc.