Scotch 234 General Purpose Masking Tape

SECTION 2: Hazards identification

3.1 EMERGENCY OVERVIEW Odor, Color, Grade: Tan crepe paper tape with colorless adhesive. General Physical Form: Solid Immediate health, physical, and environmental hazards: The environmental properties of this product present a low

Environmental hazards

This product, when used under reasonable conditions and in accordance with the 3M directions for use, should not present a health hazard. However, use or processing of the product in a manner not in accordance with the product's directions for use may affect the performance of the product and may present potential health and safety hazards.

Potential health effects

Eye Contact: Contact with the eyes during product use is not expected to result in significant irritation. Skin Contact: Contact with the skin during product use is not expected to result in significant irritation. Inhalation: No health effects are expected. If thermal decomposition occurs: Vapors from heated material may cause irritation of the respiratory system. Signs/symptoms may include cough, sneezing, nasal discharge, headache, hoarseness, and nose and throat pain. Ingestion: No health effects are expected.

Environmental effects

This substance does not leach metals or other RCRA (Resource Conservation and Recovery Act) listed TCLP (Toxic Characteristic Leaching Procedure) hazardous substances at concentrations that would make the product a hazardous waste. SECTION 4: FIRST AID MEASURES 4.1 FIRST AID PROCEDURES The following first aid recommendations are based on an assumption that appropriate personal and industrial hygiene practices are followed. Eye Contact: No need for first aid is anticipated. Skin Contact: No need for first aid is anticipated. Inhalation: If signs/symptoms develop, remove person to fresh air. If signs/symptoms persist, get medical attention. If Swallowed: No need for first aid is anticipated. SECTION 5: FIRE FIGHTING MEASURES 5.1 FLAMMABLE PROPERTIES Autoignition temperature 451 ºF Flash Point Not Applicable Flammable Limits - LEL Not Applicable Flammable Limits - UEL Not Applicable 5.2 EXTINGUISHING MEDIA Ordinary combustible material. Use fire extinguishers with class A extinguishing agents (e.g., water, foam). 5.3 PROTECTION OF FIRE FIGHTERS Special Fire Fighting Procedures: See Hazardous Decomposition section for products of combustion. Nonflammable. Unusual Fire and Explosion Hazards No unusual fire or explosion hazards are anticipated. Non-flammable ordinary combustible material. Note: See STABILITY AND REACTIVITY (SECTION 10) for hazardous combustion and thermal decomposition information. SECTION 6: ACCIDENTAL RELEASE MEASURES Accidental Release Measures: Collect as much of the spilled material as possible. Reclaim undamaged product. SECTION 7: HANDLING AND STORAGE 7.1 HANDLING Do not ingest. Do not breathe thermal decomposition products. This product is considered to be an article which does not release or otherwise result in exposure to a hazardous chemical under normal use conditions.

Storage

Store under normal warehouse conditions. SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION 8.1 ENGINEERING CONTROLS General ventilation adequate below 400 C. Local exhaust recommended above 400 C. 8.2 PERSONAL PROTECTIVE EQUIPMENT (PPE) 8.2.1 Eye/Face Protection Avoid eye contact. 8.2.2 Skin Protection Avoid prolonged or repeated skin contact. Gloves are not required. 8.2.3 Respiratory Protection Under normal use conditions, airborne exposures are not expected to be significant enough to require respiratory protection. 8.2.4 Prevention of Swallowing Do not ingest. 8.3 EXPOSURE GUIDELINES Ingredient Authority Type Limit Additional Information NATURAL RUBBER / RESIN ADHESIVE ACGIH TWA, as total 0.001 mg/m3 Sensitizer; Skin Notation* proteins, inhalable fraction POLYETHYLENE GLYCOLS AIHA TWA, as aerosol 10 mg/m3 * Substance(s) refer to the potential contribution to the overall exposure by the cutaneous route including mucous membrane and eye, either by airborne or, more particularly, by direct contact with the substance. Vehicles can alter skin absorption. SOURCE OF EXPOSURE LIMIT DATA: ACGIH: American Conference of Governmental Industrial Hygienists CMRG: Chemical Manufacturer Recommended Guideline OSHA: Occupational Safety and Health Administration AIHA: American Industrial Hygiene Association Workplace Environmental Exposure Level (WEEL) SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES Odor, Color, Grade: Tan crepe paper tape with colorless adhesive. General Physical Form: Solid Autoignition temperature 451 ºF Flash Point Not Applicable Flammable Limits - LEL Not Applicable Flammable Limits - UEL Not Applicable Boiling point Not Applicable Density No Data Available Vapor Density No Data Available Vapor Pressure No Data Available Vapor Pressure No Data Available Specific Gravity No Data Available pH Not Applicable Melting point Not Applicable Solubility In Water Not Applicable SECTION 10: STABILITY AND REACTIVITY Stability: Stable. Materials and Conditions to Avoid: Light Hazardous Polymerization: Hazardous polymerization will not occur. Hazardous Decomposition or By-Products