MSDS HDPE HWM POWDER 1. PRODUCT AND COMPANY IDENTIFICATION 2. HAZARDS IDENTIFICATION

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1 1. PRODUCT AND COMPANY IDENTIFICATION Product Name: Product Number: Chemical Family: Polyolef n, unspecif ed CAS Number: Chemical Name: Polyolef n, unspecif ed Synonyms: HDPE Powder Type of Use: Plastic Applications 2. HAZARDS IDENTIFICATION Emergency Overview This MSDS contains critical information for the safe handling and proper use of polyethylene powders. This material is not considered hazardous under normal conditions of use, however, dust from this product may form an explosive mixture in air and can release irritating and toxic fumes and vapors if involved in a f re. Signal Word CAUTION Hazards Explosion Hazard. Dust cloud mixtures in air may form strong explosions. Particularly sensitive to ignition sources. At process temperatures irritating fumes may be produced. Molten polymer may cause thermal burns. See Section 9 for additional physical and chemical properties. NFPA HMIS Health 1 Flammability 1 Physical Hazard 0 Physical State Solid Color All white Odor No odor Odor Threshold No value available

2 Potential Health Effects Routes of exposure: Eye. Skin. Inhalation. Signs and Symptoms of Acute Exposure See component summary. Polyolefin, unspecified Hot material may cause thermal burns. At process temperatures, irritating fumes may cause soreness in the nose and throat, coughing may result. Mechanical irritation is possible. Skin Avoid contact with hot product - may cause burns. Inhalation Inhalation of process fumes and vapors may cause soreness in the nose and throat and coughing. Nuisance dust such as polymer dust typically exhibit no significant health effect when they are reasonably controlled. Exposure to high concentrations of dust may cause slight irritation by mechanical action. Eye Mechanical irritation is possible. Ingestion No significant signs or symptoms indicative of any health hazard are expected to occur as a result of ingestion. Chronic Health Effects See component summary. Polyolefin, unspecified No known chronic health effects. Aggravated Medial Condition No known conditions are aggravated by this material. 3. COMPOSITION/INFORMATION ON INGREDIENTS Component CAS No. EC-No. Weight Risk Symbol Polyolefin, unspecified Monomers are EINECS listed <=100.0 None None Proprietary Additives Mixture Monomers are EINECS listed <=2.0 None None 4. FIRST-AID MEASURES General Advice: Take proper precautions to ensure your own health and safety before attempting rescue and providing first aid. For specific information refer to the Emergency Overview in Section 2 of this MSDS. Skin Not expected to present a significant skin hazard under anticipated conditions of normal use. Remove contaminated clothing and wash skin with plenty of soap and water. Wash clothing before wearing again. Seek medical attention if ill effect or irritation develops. Inhalation If symptoms are experienced, move victim to fresh air. Eye Flush eyes thoroughly with water for several minutes and seek medical attention if discomfort persists. Notes to Physician: There is no special antidote; treatment of overexposure should be directed at control of symptoms and the clinical condition of the patient. Treat burns or allergic reactions conventionally after decontamination.

3 5. FIRE-FIGHTING MEASURES Flammable Procedures Classification Not classified. Polymer will burn but does not easily ignite. Flash Point Auto-ignition Temperature Minimum 400 degrees Celsius per ASTM E Lower Flammable Limit Upper Flammable Limit Extinguishing Media Suitable Extinguishing Media SMALL FIRE: Use DRY chemicals, CO2 or water spray LARGE FIRE: Use dry chemical, CO2, alcohol-resistant foam or water spray. Protective Equipment and Precautions For Firefighters Protective Equipment For Fire Fighters Wear an approved positive-pressure self-contained breathing apparatus and firefighters turnout gear. Precautions For Fire-Fighting Polyolefin dust particles in the atmosphere are combustible and may be explosive. Keep away from heat and sources of ignition. Hazardous Combustion Products Carbon monoxide, olefinic and paraffinic compounds, trace amounts of organic acids, ketones, aldehydes and alcohols may be formed. 6. ACCIDENTAL RELEASE MEASURES Release Response Potential dust explosion hazard. Avoid raising powdered materials into airborne dust. Avoid generating static charge. Use only non-sparking tools. Material creates dangerous slipping hazard on hard surfaces. All equipment used when handling this product must be grounded. 7. HANDLING AND STORAGE Handling Polymer dust particles in the atmosphere are combustible and present a potential explosion hazard. Keep away from heat, sparks, flame, and all other ignition sources. Prevent dust accumulations and dust clouds. Keep container closed, clean up dust accumulations. For proper safety of personnel and property the container should be emptied in compliance with NFPA 654, Prevention of Fire and Dust Explosions in the Chemical, Dye, Pharmaceutical, and Plastics Industries. Exercise caution when dispensing the contents of this product s container in or around combustible environments (for example, where flammable solvents are being used). In such cases, the possible occurrence of sparks could ignite vapors and cause a fire or explosion. Evaluate the need for grounding of equipment and container. Use with adequate ventilation. Spilled material can make walking hazardous, potentially causing falls and serious injury. After handling, always wash hands thoroughly with soap and water. Electrical equipment should be grounded and conform to applicable electrical code. Storage Keep container dry. Keep container closed to prevent contamination. Store away from excessive heat and away from strong oxidizing agents.

4 8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering Controls Ventilate area to prevent accumulation of dust and fumes. Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. Bonding and grounding of equipment, piping, and personnel should be performed. Personal Protective Equipment Inhalation A respiratory protection program that meets OSHA s 29 CFR or ANSI Z88.2 requirements must be followed whenever workplace conditions warrant respirator use. Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. Use appropriate respiratory protection where atmosphere exceeds recommended limits. Skin Use chemical resistant gloves appropriate to conditions of use. Wear heat protective gloves and clothing if there is a potential for contact with heated material. Protective clothing such as long sleeves or a lab coat should be worn. Eyes Dust service goggles should be worn to prevent mechanical injury or other irritation to eyes due to airborne particles which may result from handling this product. Remarks Selection of appropriate personal protective equipment should be based on an evaluation of the performance characteristics of the protective equipment relative to the task(s) to be performed, conditions present, duration of use, and the hazards and/or potential hazards that may be encountered during use. Use good personal hygiene practices. Wash hands before eating, drinking, smoking, or using toilet facilities. Promptly remove soiled clothing/wash thoroughly before reuse. Material spilled on hard surface can be a serious slipping/falling hazard. Use care in walking on spilled material. Occupational Exposure Limits Component Name Source/Date Value Type Notification Polyolefin, unspecified US (OSHA) 15 mg/m3 Total Dust 8 HRS/TWA US (OSHA) 5 mg/m3 (Respirable fraction) 8 HRS/TWA US (ACGIH) / mg/m3 (Inhalable fraction) 8 HRS/TWA US (ACGIH) / mg/m3 (Respirable fraction) 8 HRS/TWA Proprietary Additives US (ACGIH) N/L US (OSHA) N/L

5 9. PHYSICAL AND CHEMICAL PROPERTIES Appearance: Powder. White. Odor: No odor. Odor Threshold: No value available. ph: Boiling Point/Boiling Range: Freezing Point/Melting Point: C ( F) Flash Point: Auto-ignition: Minimum 400 degrees Celsius per ASTM E Flammability: Not Classified. Polymer will burn but does not easily ignite. Lower Flammable Limit: Upper Flammable Limit: Explosive Properties: Oxidizing Properties: Vapor Pressure: Evaporation Rate: Relative Density: Relative Vapor Density: Dust Explosion Class = ST-2 (Strong Explosion) No Data Available (polymer only) Viscosity: Solubility (Water): Partition Coefficient (Kow): Insoluble. Additional Physical and Chemical Properties: Maximum Explosion Pressure, Pmax (barg) = 8.4 Deflagration Index, Kst = 237 bar xm/sec Dust Explosion Class = ST-2 (Strong Explosion) Minimum Ignition Energy of Dust Cloud, MIE (mj) = 10-25

6 10. STABILITY AND REACTIVITY Chemical Stability This material is stable when properly handled and stored. Conditions to Avoid Avoid contact with strong oxidizers, excessive heat, sparks or open flame. Avoid creation of airborne dust and particulates from processing, conveying, or handling this material. Electrostatic charges may be generated as a result of flow or agitation. Substances to Avoid Material may be softened by some hydrocarbons. Reacts with fluorine gas. Decomposition Products Not expected to decompose under normal conditions. Hazardous Polymerization Not likely. Reactions with Air and Water Does not react with air, water or other common materials. 11. TOXICOLOGICAL INFORMATION Product Summary See component summary Polyolefin, unspecified Acute Toxicity Effects PRODUCT INFORMATION COMPONENT INFORMATION Inhalation Rats inhaling polyethylene dust developed mild inflammatory changes in lungs. Ingestion No adverse health effects were noted on the digestive system of test animals when fed up to 20% polyethylene. Irritation Skin No adverse effects are expected Repeated Dose Toxicity Sub chronic, day, feeding studies conducted on rats, dogs and swine showed no effects from dietary levels of 1-20% powdered and shredded polyethylene. Reproductive Effects Not expected to occur. Proprietary Additives Repeated Dose Toxicity No known chronic health effects.

7 12. ECOLOGICAL INFORMATION PRODUCT INFO Ecotoxicity Ecotoxicity is expected to be minimal based on the low water solubility of polymers. Environmental Fate And Pathways This material is not volatile and insoluble in water. Polyolefin, unspecified COMPONENT INFORMATION Ecotoxicity Ecotoxicity is expected to be minimal based on the low water solubility of polymers. Environmental Fate and Pathway This material is not volatile and insoluble in water. Persistance and Degradability Biodegradation: This material is not expected to be readily biodegradable. Bioaccumulation: This material is not expected to bioaccumulate. Proprietary Additives Ecotoxicity No Data Available. Environmental Fate and Pathway No Data Available. 13. DISPOSABLE CONSIDERATIONS Use only licensed transporters and permitted facilities for waste disposal. Comply with federal, state, or local regulations for disposal. Recycle if possible. 14. TRANSPORT INFORMATION Special Provisions If you reformulate or further process this material, you should consider re-evaluation of the regulatory status of the components listed in the composition section of this sheet, based on final composition of your product. Proper Shipping Name POLYOLEFIN, OTHER THAN LIQUID

8 15. REGULATIONS INFORMATION Notification Status All ingredients are exempted from listing Country Notification Australia AICS Canada DCL China IECS European Union EINECS Japan ENCS/ISHL Korea ECL Philippines PICCS United States of America TSCA If identified components of this product are listed under the TSCA 12(b) Export Notification rule, they will be listed below. SARA 302/304 No chemicals in this material with known CAS numbers are subject to the reporting requirements of CERCLA. SARA 311/312 Based upon available information, this material is not classified as a health and/or physical hazard according to Section 311 & 312. SARA 313 This material does not contain any chemical components with known CAS numbers that exceed the De Minimis reporting levels established by SARA Title III, Section 313 and 40 CFR 372. State Reporting This material is not known to contain any chemicals currently listed as carcinogens or reproductive toxins under California Proposition 65 at levels which would be subject to the proposition. 16. OTHER INFORMATION DISCLAIMER Caution do not use Marco Polo International, Inc. materials in applications involving implantation within the body direct or indirect contact with the blood pathway, contact with bone tissue f uid, blood or prolonged contact with mucus membranes. Marco Polo International, Inc. materials are not designed or manufactured for use in implantation in the human body or in contact with internal body f uids or tissues. Marco Polo International, Inc. will not provide to customers making devices for such applications any notice, certif cation or information necessary for such medical device use required by FDA regulation or any other statute. Marco Polo International, Inc. makes no representation, promise, express warranty or implied warranty concerning the suitability of these materials for use in implantation in the human body or in contact with internal body tissues or f uids The information on this MSDS was obtained from sources which we believe reliable. However, the information is provided without any warranty expressed or implied, regarding its correctness. Some information presented and conclusions drawn herein are from sources other than direct test data on the substance itself. The conditions or methods of handling, storage, use, and disposal of the product are beyond our control and may be beyond our knowledge. For this and other reasons, we do not assume responsibility and expressly disclaim liability for loss, damage, or expense arising out of or in any way connected with handling, storage, use, or disposal of the product. If the product is used as a component in another product, this MSDS information may not be applicable. Numerical Data Presentation The presentation of numerical data, such as that used for physical and chemical properties and toxicological values, is expresses using a comma (,) to separate digits into groups of three and a period (.) as the decimal marker.