MATERIAL SAFETY DATA SHEET SECTION 1: PRODUCT AND COMPANY IDENTIFICATION Sketch Co.,Ltd. Chaco Paper Hall, 3F. 2-25-10 Asakusabashi Taitou－ku Tokyo Japan TEL+81-3-5825-6503 FAX+81-3-5825-6504 Product Name: SSMC-AR Liquid(APT) Product Description: Antistatic Coat’s APT & Platinum slurry Issued: 2022-11-24 Supersedes: NA Document: 0031-3-SSMC_ APT(RM)-P SECTION 2: INGREDIENTS Ingredient Water Ammonium tungstate Platinum SECTION 3: HAZARDS IDENTIFICATION Applicable categories: Danger: Incombustibles Non-inflammable liquid SECTION 4: FIRST AID MEASURES The following first aid recommendations are based on an assumption that appropriate personal and industrial hygiene practices are followed: Eye Contact: Without rubbing the eyes, flush with large quantities of water for 15 minutes, including the inside of the eyelids; promptly seek medical attention. Skin Contact: Wash with soap and flush with large amounts of water. Obtain medical attention. If the product permeates ones clothes, wash contaminated clothing and clean shoes before reuse. If Swallowed: If swallowed, call a physician immediately. Only induce vomiting at the instruction of a physician. Never give anything by mouth to an unconscious person

SECTION 5: FIRE FIGHTING MEASURES 5.1 FLAMMABLE PROPERTIES Non-inflammable liquid 5.2 EXTINGUISHING MEDIA AND MEASURES With small fires, use water, dry chemicals, carbon dioxide and/or dry sand. For larger fires, use bubble method or sprayed water. Using sprayed water may increase the danger by spreading the fire. If there is a fire in the vicinity of the product, promptly move the containers to a safe location. If moving the containers is impossible, sprinkle water around the storage area to cool it. When engaged in fire fighting, always wear protective clothing. Extinguishing media: carbon...

After working with material, thoroughly wash hands and eyes and change clothes. Seal after use and avoid locations which might freeze or that have directly sunlight or that might be close to a source of heat. Keep container in well-ventilated area. Provide airtight containers and local exhaust ventilation for all open containers. Provide and clearly mark near area of use a safety shower and facilities for washing hands and eyes. Control limits of concentration: Platinum concentration: By ACGIH TLV-TWA 0.002mg/m3 (Exposure limits / biological exposure indices) 8.2.1. Eye/Face Protection. Avoid...

Stability: Stable Materials to avoid: Strong oxidizing agents Ammonium tungstate 11120-25-5 No data available No additional information is presently available about the risks of the mixture of these ingredients in the product. Care should be taken to avoid release into the environment because of concerns of damage to the environment. Take care to prevent release of the product or wash water onto the ground, into the water supply or into the atmosphere. Waste disposal method. Disposal should be entrusted to an authorized industrial waste handler. Do not permit rinse water to be released into the...