SAFETY DATA SHEET
according to 29 CFR 1910.1200 and ANSI standard Z400.1-2010
NT-350HT ) 5 Composite Prepreg
Material number NT-350HT ) 5
Revision date: 6/2/2025
Version: .0
Replaces version: 1.0
Language: en-US
Date of print: 6/2/2025
Page: 1 of 7
1. Product and company identification
Product identifier
Trade name: NT-350HT ) 5 Composite Prepreg
Relevant identified uses of the substance or mixture and uses advised against
General use: Composite material
For industrial purposes only.
Details of the supplier of the safety data sheet
Company name: Mitsubishi Gas Chemical America, Inc
Street/POB-No.: 655 Third Avenue 19th Floor
Postal Code, city: New York, NY 10017
USA
WWW: www.mgc-a.com
Telephone: 001 212-687-9030 x 120 (O)
Department responsible for information:
Technical Supprt
technicalsupport@mgc-a.com
Emergency phone number
Chemtrec: USA (800) 424 9300, Maritime (703) 527 3887
2. Hazards identification
Emergency overview
Appearance: Physical state at 68 F and 101.3 kPa: solid Color: black
Odor: No data available
Classification: Sensitization – skin – Category 1.
Hazard symbols:
Signal word: Warning
Hazard statements:
May cause an allergic skin reaction.
Precautionary statements:
Avoid breathing dust/fume/gas/mist/vapors/spray. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of water/soap. Specific treatment (see ‘ First aid ‘ on this label). If skin irritation or rash occurs: Get medical advice/attention. Take off contaminated clothing and wash it before reuse. Dispose of contents/container to hazardous or special waste collection point.
Regulatory status
This material is considered hazardous by the U.S. OSHA Hazard Communication Standard (29 CFR 1910.1200).
Hazards not otherwise classified
In the case of the formation of dust: Can cause skin, eye and respiratory tract irritation.
see section 11: Toxicological information
printed by Mitsubishi

SAFETY DATA SHEET
according to 29 CFR 1910.1200 and ANSI standard Z400.1-2010
NT-350HT ) 5 Composite Prepreg
Material number NT-350HT ) 5
Revision date: 6/2/2025
Version: 1.0
Replaces version: 1.0
Language: en-US
Date of print: 6/2/2025
Page: 2 of 7
3. Composition / Information on ingredients
Chemical characterization:Mixture of the substance mentioned below with non-hazardous additions
Relevant ingredients:
CAS No. Designation Concentratio
n
Classification
CAS 41637-38-1 Bisphenol-A-
dimethacrylate
< 10 % Skin Irritation - Category 2. Eye Irritation - Category 2A. Sensitization - skin - Category 1. Specific Target Organ Toxicity (Single Exposure) - Category 3. CAS 27813-02-1 Methacrylic acid, monoester with propane-1,2-diol < 1 % Eye Irritation - Category 2A. Sensitization - skin - Category 1. 4. First aid measures In case of inhalation:If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. Seek medical attention if problems persist. Following skin contact:Remove residues with soap and water. Take off contaminated clothing and wash it before reuse. In case of skin reactions, consult a physician. After eye contact: Immediately flush eyes with plenty of flowing water for 10 to 15 minutes holding eyelids apart. Remove contact lenses, if present and easy to do. Continue rinsing. In case of eye irritation consult an ophthalmologist. After swallowing: Rinse mouth. Never give anything by mouth to an unconscious person. Seek medical attention. Most important symptoms/effects, acute and delayed May cause an allergic skin reaction. Information to physician Treat symptomatically. 5. Fire fighting measures Flash point/flash point range: Not applicable Auto-ignition temperature:No data available Suitable extinguishing media: Water spray jet, foam, dry chemical powder, carbon dioxide. Extinguishing media which must not be used for safety reasons: Full water jet Specific hazards arising from the chemical May form dangerous gases and vapors in case of fire. Furthermore, there may develop: Carbon black, acids, aldehydes, carbon monoxide and carbon dioxide. Protective equipment and precautions for firefighters: Wear self-contained breathing apparatus and protective clothing to protect skin and eyes. Additional information:Do not allow fire water to penetrate into surface or ground water. printed by Mitsubishi SAFETY DATA SHEET according to 29 CFR 1910.1200 and ANSI standard Z400.1-2010 NT-350HT ) 5 Composite Prepreg Material number NT-350HT ) 5 Revision date: 6/2/2025 Version: 1.0 Replaces version: 1.0 Language: en-US Date of print: 6/2/2025 Page: 3 of 7 6. Accidental release measures Personal precautions:Avoid generation of dust. Do not breathe dust. Provide adequate ventilation. Wear appropriate protective equipment. Take off contaminated clothing and wash it before reuse. Environmental precautions: Do not release large quantities into the surface water or into drains. Methods for clean-up:Take up mechanically, placing in appropriate containers for disposal. 7. Handling and storage Handling Advices on safe handling:Provide adequate ventilation, and local exhaust as needed. Avoid generation of dust. Do not breathe dust. Do not get in eyes, on skin, or on clothing. Wear appropriate protective equipment. Do not eat, drink or smoke when using this product. Wash hands thoroughly after handling. Take off contaminated clothing and wash it before reuse. Storage Requirements for storerooms and containers: Store container tightly closed in a dry and cool place. Hints on joint storage:Keep away from food, drink and animal feedingstuffs. Do not store together with: strong acids, strong bases, strong oxidizing agents. 8. Exposure controls / personal protection Exposure guidelines Occupational exposure limit values: Type Limit value USA: ACGIH: TWA 10 mg/m (Dust limit value, inhalable fraction) USA: ACGIH: TWA 3 mg/m (Dust limit value, respirable fraction) USA: OSHA: TWA 15 mg/m (Dust limit value, total dust) USA: OSHA: TWA 5 mg/m (Dust limit value, respirable fraction) Engineering controls In the case of the formation of dust: Dust should be exhausted directly at the point of origin. See also information in chapter 7, section storage. Personal protection equipment (PPE) Eye/face protection:Tightly sealed goggles according to OSHA Standard - 29 CFR: 1910.133 or ANSI Z87.1-2010. Skin protection: Wear suitable protective clothing. Protective gloves according to OSHA Standard - 29 CFR: 1910.138. Observe glove manufacturer's instructions concerning penetrability and breakthrough time. Respiratory protection:In case of dust formation: Particulates filter P1 according to OSHA Standard - 29 CFR: 1910.134 or ANSI Z88.2. The filter class must be suitable for the maximum contaminant concentration (gas/vapor/aerosol/particulates) that may arise when handling the product. printed by Mitsubishi SAFETY DATA SHEET according to 29 CFR 1910.1200 and ANSI standard Z400.1-2010 NT-350HT ) 5 Composite Prepreg Material number NT-350HT ) 5 Revision date: 6/2/2025 Version: 1.0 Replaces version: 1.0 Language: en-US Date of print: 6/2/2025 Page: 4 of 7 General hygiene considerations: Do not breathe dust. Do not get in eyes, on skin, or on clothing. Do not eat, drink or smoke when using this product. Wash hands thoroughly after handling. Take off contaminated clothing and wash it before reuse. Environmental exposure controls Refer to 6.: Section "Environmental precautions". 9. Physical and chemical properties Information on basic physical and chemical properties Appearance: Physical state at 68 F and 101.3 kPa: solid Color: black Odor: No data available Odor threshold: No data available pH: Not applicable Melting point/freezing point: No data available Initial boiling point and boiling range:No data available Flash point/flash point range: Not applicable Evaporation rate: No data available Flammability: No data available Explosion limits: No data available Vapor pressure: No data available Vapor density: No data available Density: No data available Solubility: No data available Partition coefficient: n-octanol/water:No data available Auto-ignition temperature: No data available Thermal decomposition: No data available Additional information: No data available 10. Stability and reactivity Reactivity: Refer to subsection "Possibility of hazardous reactions". Chemical stability:Stable under recommended storage conditions. Possibility of hazardous reactions: No hazardous reaction when handled and stored according to provisions. Conditions to avoid:Protect from heat and direct sunlight. Avoid generation of dust. Incompatible materials:Strong acids, strong bases, strong oxidizing agents Hazardous decomposition products: No hazardous decomposition products when regulations for storage and handling are observed. Thermal decomposition:No data available printed by Mitsubishi SAFETY DATA SHEET according to 29 CFR 1910.1200 and ANSI standard Z400.1-2010 NT-350HT ) 5 Composite Prepreg Material number NT-350HT ) 5 Revision date: 6/2/2025 Version: 1.0 Replaces version: 1.0 Language: en-US Date of print: 6/2/2025 Page: 5 of 7 11. Toxicological information Toxicological tests Toxicological effects:The statements are derived from the properties of the single components. No toxicological data is available for the product as such. Acute toxicity (oral): Lack of data. Acute toxicity (dermal): Lack of data. Acute toxicity (inhalative): Lack of data. Skin corrosion/irritation: Lack of data. Serious eye damage/irritation: Lack of data. Sensitisation to the respiratory tract: Lack of data. Skin sensitisation: Sensitization - skin - Category 1 = May cause an allergic skin reaction. Germ cell mutagenicity/Genotoxicity: Lack of data. Carcinogenicity: Lack of data. Reproductive toxicity: Lack of data. Effects on or via lactation: Lack of data. Specific target organ toxicity (single exposure): Lack of data. Specific target organ toxicity (repeated exposure): Lack of data. Aspiration hazard: Lack of data. Symptoms In the case of the formation of dust: Can cause skin, eye and respiratory tract irritation. In case of inhalation: Inhalation of dust may cause shortness of breath, tightness of the chest, a sore throat and cough. 12. Ecological information Ecotoxicity Further details: No data available Mobility in soil No data available Persistence and degradability Further details: No data available Additional ecological information General information:Do not release large quantities into the surface water or into drains. 13. Disposal considerations Product Recommendation: Dispose of waste according to applicable legislation. Package Recommendation: Dispose of waste according to applicable legislation. Non-contaminated packages may be recycled. printed by Mitsubishi SAFETY DATA SHEET according to 29 CFR 1910.1200 and ANSI standard Z400.1-2010 NT-350HT ) 5 Composite Prepreg Material number NT-350HT ) 5 Revision date: 6/2/2025 Version: 1.0 Replaces version: 1.0 Language: en-US Date of print: 6/2/2025 Page: 6 of 7 14. Transport information UN number ADR/RID, IMDG, IATA-DGR: not applicable UN proper shipping name ADR/RID, IMDG, IATA-DGR: Not restricted Transport hazard class(es) ADR/RID, IMDG, IATA-DGR: not applicable Packing group ADR/RID, IMDG, IATA-DGR: not applicable Environmental hazards Marine pollutant: no Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code No data available USA: Department of Transportation (DOT) Proper shipping name: Not restricted Sea transport (IMDG) Proper shipping name:: Not restricted Marine pollutant: no Air transport (IATA) Proper shipping name:: Not restricted Further information No dangerous good in sense of these transport regulations. 15. Regulatory information National regulations - U.S. Federal Regulations Carbon fibers: TSCA Inventory: listed NIOSH Recommendations: Occupational Health Guideline: 0307 Bisphenol-A-dimethacrylate: TSCA Inventory: listed; EPA flags XU Methacrylic acid, monoester with propane-1,2-diol: TSCA Inventory: listed National regulations - U.S. State Regulations No data available 16. Other information Text for labeling: Contains < 10 % Bisphenol-A-dimethacrylate, < 1 % Methacrylic acid, monoester with propane-1,2-diol. printed by Mitsubishi SAFETY DATA SHEET according to 29 CFR 1910.1200 and ANSI standard Z400.1-2010 NT-350HT/FR Composite Prepreg Material number NT-350HT/FR Revision date: 6/2/2025 Version: 1 .0 Replaces version: 1.0 Language: en-US Date of print: 6/2/2025 Page: 7 of 7 Hazard rating systems: 0 10 NFPA Hazard Rating: Health: 1 (Slight) Fire: 0 (Minimal) Reactivity: 0 (Minimal) HEALTH 1 FLAMMABILITY 0 PHYSICAL HAZARD 0 X HMIS Version III Rating: Health: 1 (Slight) Flammability: 0 (Minimal) Physical Hazard: 0 (Minimal) Personal Protection: X = Consult your supervisor Abbreviations and acronyms: Reason of change: Date of first version: ADN: European Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road AS/NZS: Australian Standards/New Zealand Standards CAS: Chemical Abstracts Service CFR: Code of Federal Regulations CLP: Classification, Labelling and Packaging DMEL: Derived minimal effect level DNEL: Derived no-effect level EC: European Community EN: European Standard EQ: Excepted quantities Eye Irritation: Eye irritation IATA: International Air Transport Association IATA-DGR: International Air Transport Association Dangerous Goods Regulations IBC Code: International Code for the Construction and Equipment of Ships carrying Dangerous Chemicals in Bulk IMDG Code: International Maritime Dangerous Goods Code MARPOL: Maritime Pollution: The International Convention for the Prevention of Pollution from Ships OSHA: Occupational Safety and Health Administration PBT: Persistent, bioaccumulative and toxic PNEC: Predicted no-effect concentration RID: Regulations Concerning the International Carriage of Dangerous Goods by Rail Sensitization - skin: Skin sensitisation Skin Irritation: Skin irritation STOT SE: Specific target organ toxicity - single exposure TRGS: Technical Rules for Hazardous Substances vPvB: Very persistent and very bioaccumulative General revision 6/3/2025 Department issuing data sheet Contact person: see section 1: Department responsible for information The information in this data sheet has been established to our best knowledge and was up-to-date at time of revision. It does not represent a guarantee for the properties of the product described in terms of the legal warranty regulations. printed by Mitsubishi