VULKEM 950 NF GRAY KIT Version 1.1 Print Date 09/11/2006 REVISION DATE: 09/01/2006

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VULKEM 950 NF GRAY KIT This is a kit that contains the following components: VULKEM 950NF GRAY PART A VULKEM 950 CATALYST, VULKEM 950 CATALYST 1/14

VULKEM 950NF GRAY PART A SECTION 1 - PRODUCT IDENTIFICATION Trade name Product code COMPANY Telephone Emergency Phone: : VULKEM 950NF GRAY PART A : : Tremco Incorporated 3735 Green Road Cleveland, OH 44122 : (216) 292-5000 8:30-5:00 EST : (216) 765-6727 8:30-5:00 EST After Hours: Chemtrec 1-800-424-9300 SECTION 2 - HAZARDS IDENTIFICATION Emergency Overview Gray. Liquid (paste). No serious effects anticipated under normal conditions of use. Generally not required under normal conditions of use. Acute Potential Health Effects/ Routes of Entry Inhalation : No serious effects anticipated under normal conditions of use. Eyes : Slightly irritating. Ingestion : May cause gastrointestinal irritation, nausea, and vomiting. Skin : No effects anticipated. Aggravated Medical Conditions Pre-existing eye, skin, liver, kidney, and respiratory disorders may be aggravated by exposure. Chronic Health Effects Carbon black is classified by IARC to be a known animal carcinogen and a possible human carcinogen (Group 2B). Carbon black is encapsulated by resin and not expected to have adverse effects unless made airborne. Prolonged and repeated exposure to excessive airborne concentrations of talc can result in scarring of the lungs (pneumoconiosis) or the covering of the lungs (pleural thickening). Fillers are encapsulated and not expected to be released from product under normal conditions of use. SECTION 3 - PRODUCT COMPOSITION Chemical Name CAS-No. Weight % Long chain ester NJ TSRN# 51721300-5801P > 60.0 Polyester Resin NJ TSRN# 51721300-5802P 15.0-40.0 Talc 14807-96-6 7.0-13.0 Titanium dioxide 13463-67-7 7.0-13.0 Amorphous silica 7631-86-9 1.0-5.0 Carbon Black 1333-86-4 - <1.0 3/14 000000005212

VULKEM 950NF GRAY PART A SECTION 4 - FIRST AID MEASURES Get immediate medical attention for any significant overexposure. Inhalation Eye contact Skin contact Ingestion : Generally not required under normal conditions of use. : Flush with water for 15 minutes. If irritation persists, get medical attention. : Wash with water. If irritation, rash or other disorders develop, get medical attention immediately. : Do not induce vomiting unless advised by a physician. Call nearest Poison Control Center or Physician immediately. SECTION 5 - FIRE FIGHTING MEASURES Flash point Method Lower explosion limit Upper explosion limit Autoignition temperature Extinguishing media : If water fog is ineffective, use carbon dioxide, dry chemical or foam. Hazardous combustion products Protective equipment for firefighters : Smoke, fumes.carbon monoxide and carbon dioxide can form. : Use accepted fire fighting techniques. Wear full firefighting protective clothing, including self-contained breathing apparatus (SCBA). Fire and explosion conditions : This product not expected to ignite under normal conditions of use.product may ignite if heated in excess of its flash point. SECTION 6 - ACCIDENTAL RELEASE MEASURES Use appropriate protective equipment. Avoid contact with material. Scrape up and transfer to appropriate container for disposal. SECTION 7 - HANDLING AND STORAGE Prevent inhalation of vapor, ingestion, and contact with skin eyes and clothing. Keep container closed when not in use. Precautions also apply to emptied containers. Store in sealed containers in a cool, dry, ventilated warehouse location. SECTION 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION Personal protection equipment Respiratory protection Hand protection : Not required under normal conditions of use. : Use suitable impervious rubber or vinyl gloves and protective apparel to reduce exposure. 4/14 000000005212

VULKEM 950NF GRAY PART A Eye protection Protective measures Engineering measures : Wear appropriate eye protection.use safety glasses if eye contact is likely. : Use professional judgment in the selection, care, and use. : General ventilation is sufficient.use local exhaust when the general ventilation is inadequate. Exposure Limits Chemical Name CAS Number Regulation Limit Form Talc 14807-96-6 ACGIH TWA: 2 mg/m3 Respirable fraction. OSHA TWA: 0.1 mg/m3 Respirable. OSHA TWA: 0.3 mg/m3 Total dust. OSHA PEL: 15 mg/m3 Total dust. OSHA PEL: 5 mg/m3 Respirable fraction. Titanium dioxide 13463-67-7 ACGIH TWA: 10 mg/m3 OSHA PEL: 15 mg/m3 Total dust. OSHA TWA: 15 mg/m3 Total dust. OSHA TWA: 5 mg/m3 Respirable fraction. Amorphous silica 7631-86-9 ACGIH TWA: 3 mg/m3 Respirable particles. ACGIH TWA: 10 mg/m3 Inhalable particles. OSHA PEL: 15 mg/m3 Total dust. OSHA PEL: 5 mg/m3 Respirable fraction. OSHA TWA: 0.8 mg/m3 Carbon Black 1333-86-4 ACGIH TWA: 3.5 mg/m3 OSHA PEL: 3.5 mg/m3 OSHA TWA: 15 mg/m3 Total dust. OSHA TWA: 5 mg/m3 Respirable fraction. SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES Form : Liquid (paste) Color : Gray Odor : MildEster ph Vapour pressure Vapor density : Heavier than air Melting point/range Freezing point Boiling point/range Water solubility : Negligible Specific Gravity : 1.159 % Volatile Weight : 0 % 5/14 000000005212

VULKEM 950NF GRAY PART A SECTION 10 - REACTIVITY / STABILITY Substances to avoid Stability Hazardous polymerization : Oxidizing agents. : Material is stable under normal storage, handling, and use. : Will not occur. SECTION 11 - TOXICOLOGICAL INFORMATION Amorphous silica, CAS-No.: 7631-86-9 Acute oral toxicity (LD-50 oral) 22,500 mg/kg ( Rat ) SECTION 12 - ECOLOGICAL INFORMATION No Data Available SECTION 13 - DISPOSAL CONSIDERATIONS Disposal Method : Waste not regulated under RCRA. Incinerate at EPA approved facility or dispose of waste in compliance with state and local regulations. SECTION 14 - TRANSPORTATION / SHIPPING DATA TDG / DOT Shipping Description: NOT REGULATED SECTION 15 - REGULATORY INFORMATION North American Inventories: All components are listed or exempt from the TSCA inventory. This product or its components are listed on, or exempt from the Canadian Domestic Substances List. U.S. Federal Regulations: SARA 313 Components : None present or none present in regulated quantities. SARA 311/312 Hazards : Acute Health Hazard Chronic Health Hazard OSHA Hazardous Components : Talc 14807-96-6 Titanium dioxide 13463-67-7 Amorphous silica 7631-86-9 Carbon Black 1333-86-4 6/14 000000005212

VULKEM 950NF GRAY PART A OSHA Status: Considered hazardous based on the following criteria: : Irritant Carcinogen OSHA Flammability : Not Regulated Regulatory VOC (less water and exempt solvent) : 1 g/l VOC Method 310 : 0 % Chemical is listed as an IARC, NTP, OSHA, or ACGIH Carcinogen: Carbon Black 1333-86-4 U.S. State Regulations: MASS RTK Components : Talc 14807-96-6 Titanium dioxide 13463-67-7 Amorphous silica 7631-86-9 Penn RTK Components : Long chain ester NJ TSRN# 51721300-5801P Polyester Resin NJ TSRN# 51721300-5802P Talc 14807-96-6 Titanium dioxide 13463-67-7 Amorphous silica 7631-86-9 NJ RTK Components : Long chain ester NJ TSRN# 51721300-5801P Polyester Resin NJ TSRN# 51721300-5802P Talc 14807-96-6 Titanium dioxide 13463-67-7 Amorphous silica 7631-86-9 Carbon Black 1333-86-4 Chemicals known to the State of California to cause cancer birth defects and/or other reproductive harm: 1333-86-4 Carbon Black 14808-60-7 Crystalline Silica (Quartz)/ Silica Sand SECTION 16 - OTHER INFORMATION HMIS Rating : Health 1 Flammability 1 Reactivity 1 PPE 0 = Minimum 1 = Slight 2 = Moderate 3 = Serious 4 = Severe Further information: For Industrial Use Only. Keep out of Reach of Children. The hazard information herein is offered solely for the consideration of the user, subject to their own investigation of compliance with applicable regulations, including the safe use of the product under every foreseeable condition. Prepared by: Rich Mikol 7/14 000000005212

VULKEM 950NF GRAY PART A Legend ACGIH - American Conference of Governmental Hygienists CERCLA - Comprehensive Environmental Response, Compensation, and Liability Act DOT - Department of Transportation DSL - Domestic Substance List EPA - Environmental Protection Agency HMIS - Hazardous Materials Information System IARC - International Agency for Research on Cancer MSHA - Mine Safety Health Administration NDSL - Non-Domestic Substance List NIOSH - National Institute for Occupational Safety and Health NTP - National Toxicology Program OSHA - Occupational Safety and Health Administration PEL - Permissible Exposure Limit RCRA - Resource Conservation and Recovery Act RTK - Right To Know SARA - Superfund Amendments and Reauthorization Act STEL - Short Term Exposure Limit TLV - Threshold Limit Value TSCA - Toxic Substances Control Act TWA - Time Weighted Average V - Volume VOC - Volatile Organic Compound WHMIS - Workplace Hazardous Materials Information System 8/14 000000005212

VULKEM 950 CATALYST SECTION 1 - PRODUCT IDENTIFICATION Trade name Product code COMPANY Telephone Emergency Phone: Product use : VULKEM 950 CATALYST : : Tremco Incorporated 3735 Green Road Cleveland, OH 44122 : (216) 292-5000 8:30-5:00 EST : (216) 765-6727 8:30-5:00 EST After Hours: Chemtrec 1-800-424-9300 : Coating SECTION 2 - HAZARDS IDENTIFICATION Emergency Overview Amber. Liquid. May cause drowsiness, weakness, and fatigue. Vapor and/or mist may irritate nose and throat. May cause moderate irritation to the respiratory system. May cause allergic respiratory sensitization. Move to fresh air. If required, artificial respiration or administration of oxygen can be performed by trained personnel. Leave area to breathe fresh air. Avoid further overexposure. If symptoms persist, get medical attention. Acute Potential Health Effects/ Routes of Entry Inhalation : May cause drowsiness, weakness, and fatigue. Vapor and/or mist may irritate nose and throat. May cause moderate irritation to the respiratory system. May cause allergic respiratory sensitization. Eyes : Vapor and/or mist may cause eye irritation. Ingestion : May cause irritation to the mouth, throat and stomach. May cause gastrointestinal irritation, nausea, and vomiting. Skin : May cause sensitization resulting in irritation, itching and redness. Aggravated Medical Conditions Pre-existing eye, skin, liver, kidney, and respiratory disorders may be aggravated by exposure. Chronic Health Effects Overexposure may cause dermatitis, asthma, skin and respiratory sensitization and decreased lung function. Repeated overexposure to vapors and/or material may injure the liver, kidneys and respiratory system unless suitable engineering controls and/or personal protective equipment are used. Diphenylmethane diisocyanate (methylene bisphenyl isocyanate) caused an increased incidence of lung tumors in experimental animals following long term inhalation at concentrations in excess of 100 times the exposure limit. Fillers are encapsulated and not expected to be released from product under normal conditions of use. Target Organs: Eye, Lung, Liver, Kidney, Skin, Nerve SECTION 3 - PRODUCT COMPOSITION 9/14 000000005271

VULKEM 950 CATALYST Chemical Name CAS-No. Weight % 4,4'-Methylene bis(phenylisocyanate) 101-68-8 40.0-70.0 Polymethylene polyphenyl isocyanate 9016-87-9 15.0-40.0 Diphenylmethane diisocyanate 26447-40-5 10.0-30.0 SECTION 4 - FIRST AID MEASURES Get immediate medical attention for any significant overexposure. Inhalation Eye contact Skin contact Ingestion : Move to fresh air. If required, artificial respiration or administration of oxygen can be performed by trained personnel.leave area to breathe fresh air. Avoid further overexposure. If symptoms persist, get medical attention. : Flush with water for at least 15 minutes while holding eye lids apart. Get medical attention immediately. : Wash area of contact thoroughly with hand cleaner followed by soap and water. If irritation, rash or other disorders develop, get medical attention immediately. : Do not induce vomiting unless advised by a physician. Call nearest Poison Control Center or Physician immediately. SECTION 5 - FIRE FIGHTING MEASURES Flash point : > 350 F, > 177 C Method : Pensky-Martens Closed Cup Lower explosion limit Upper explosion limit Autoignition temperature Extinguishing media : If water fog is ineffective, use carbon dioxide, dry chemical or foam. Hazardous combustion products Protective equipment for firefighters : Carbon monoxide and carbon dioxide can form.smoke, fumes.hydrocyanic acid and nitrogen oxides can form. : Use accepted fire fighting techniques. Wear full firefighting protective clothing, including self-contained breathing apparatus (SCBA). Fire and explosion conditions : Product may ignite if heated in excess of its flash point.closed container, may burst when exposed to extreme heat.empty containers may contain ignitable vapors.vapors may travel to sources of ignition and flashback. SECTION 6 - ACCIDENTAL RELEASE MEASURES Use appropriate protective equipment. Avoid contact with material. Remove sources of ignition immediately. Stop flow of material if safe to do so. Contain spill and keep out of water courses. Ventilate area. SECTION 7 - HANDLING AND STORAGE Prevent inhalation of vapor, ingestion, and contact with skin eyes and clothing. Keep container closed when not in use. Precautions also apply to emptied containers. Change soiled work clothes frequently. Clean hands 10/14 000000005271

VULKEM 950 CATALYST thoroughly after handling. Do not smoke, weld, generate sparks, or use flame near container. To prevent generation of static discharges, use bonding/grounding connection when pouring liquid. Extinguish all ignition sources including pilot lights, non-explosion proof motors and electrical equipment until vapors dissipate. Store under dry warehouse conditions away from heat and all ignition sources. SECTION 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION Personal protection equipment Respiratory protection Hand protection Eye protection Skin and body protection Protective measures Engineering measures Exposure Limits : Wear appropriate, properly fitted NIOSH/MSHA approved respirator when airborne contaminant level(s) are expected to exceed exposure limits indicated on the MSDS. Select positive pressure supplied air respirator (TC19C or equivalent) for isocyanates. : Use suitable impervious nitrile or neoprene gloves and protective apparel to reduce exposure. : Wear appropriate eye protection.wear chemical safety goggles and/or face shield to prevent eye contact. Do not wear contact lenses. Do not touch eyes with contaminated body parts or materials. Have eye washing facilities readily available. : Prevent contact with shoes and clothing. : Use professional judgment in the selection, care, and use. : Use only in well ventilated areas. Provide maximum ventilation in enclosed areas.use local exhaust when the general ventilation is inadequate. Chemical Name CAS Number Regulation Limit Form 4,4'-Methylene 101-68-8 ACGIH TWA: 0.005 ppm bis(phenylisocyanate) SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES Form : Liquid Color : Amber Odor : Characteristic ph Vapour pressure Vapor density : Heavier than air Melting point/range Freezing point Boiling point/range Water solubility : Negligible Specific Gravity : 1.19 % Volatile Weight : 0 % 11/14 000000005271

VULKEM 950 CATALYST SECTION 10 - REACTIVITY / STABILITY Substances to avoid Stability Hazardous polymerization : Strong acids.strong bases.amines.water or moisture.alcohols. : Material is stable under normal storage, handling, and use. : Will not occur under normal conditions. SECTION 11 - TOXICOLOGICAL INFORMATION 4,4'-Methylene bis(phenylisocyanate), CAS-No.: 101-68-8 Acute inhalation toxicity (LC-50) 0.38 mg/l ( Rat ) SECTION 12 - ECOLOGICAL INFORMATION No Data Available SECTION 13 - DISPOSAL CONSIDERATIONS Disposal Method : Subject to hazardous waste treatment, storage and disposal requirements under RCRA. Dispose of in a contained chemical landfill in compliance with federal, state and local regulations. SECTION 14 - TRANSPORTATION / SHIPPING DATA TDG / DOT Shipping Description: NOT REGULATED SECTION 15 - REGULATORY INFORMATION North American Inventories: All components are listed or exempt from the TSCA inventory. This product or its components are listed on, or exempt from the Canadian Domestic Substances List. U.S. Federal Regulations: SARA 313 Components : 4,4'-Methylene bis(phenylisocyanate) 101-68-8 Polymethylene polyphenyl isocyanate 9016-87-9 SARA 311/312 Hazards : Acute Health Hazard OSHA Hazardous Components : 4,4'-Methylene bis(phenylisocyanate) 101-68-8 Polymethylene polyphenyl isocyanate 9016-87-9 OSHA Status: Considered : Irritant 12/14 000000005271

VULKEM 950 CATALYST hazardous based on the following criteria: Sensitizer OSHA Flammability : IIIB Regulatory VOC (less water and exempt solvent) : 1 g/l VOC Method 310 : 0 % U.S. State Regulations: MASS RTK Components : 4,4'-Methylene bis(phenylisocyanate) 101-68-8 Penn RTK Components : 4,4'-Methylene bis(phenylisocyanate) 101-68-8 Polymethylene polyphenyl isocyanate 9016-87-9 Diphenylmethane diisocyanate 26447-40-5 NJ RTK Components : 4,4'-Methylene bis(phenylisocyanate) 101-68-8 Polymethylene polyphenyl isocyanate 9016-87-9 Diphenylmethane diisocyanate 26447-40-5 Chemicals known to the State of California to cause cancer birth defects and/or other reproductive harm: None known. SECTION 16 - OTHER INFORMATION HMIS Rating : Health 3 Flammability 1 Reactivity 1 PPE 0 = Minimum 1 = Slight 2 = Moderate 3 = Serious 4 = Severe Further information: For Industrial Use Only. Keep out of Reach of Children. The hazard information herein is offered solely for the consideration of the user, subject to their own investigation of compliance with applicable regulations, including the safe use of the product under every foreseeable condition. Prepared by: Rich Mikol Legend ACGIH - American Conference of Governmental Hygienists CERCLA - Comprehensive Environmental Response, Compensation, and Liability Act DOT - Department of Transportation DSL - Domestic Substance List EPA - Environmental Protection Agency HMIS - Hazardous Materials Information System IARC - International Agency for Research on Cancer MSHA - Mine Safety Health Administration NDSL - Non-Domestic Substance List NIOSH - National Institute for Occupational Safety and Health NTP - National Toxicology Program PEL - Permissible Exposure Limit RCRA - Resource Conservation and Recovery Act RTK - Right To Know SARA - Superfund Amendments and Reauthorization Act STEL - Short Term Exposure Limit TLV - Threshold Limit Value TSCA - Toxic Substances Control Act TWA - Time Weighted Average V - Volume VOC - Volatile Organic Compound WHMIS - Workplace Hazardous Materials Information 13/14 000000005271

VULKEM 950 CATALYST OSHA - Occupational Safety and Health Administration System 14/14 000000005271