PANGEL B20. GHS Safety Data Sheet. According to OSHA HCS/HazCom 2012 and 29 CFR

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1 Page: 1/8 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. Product identifier Identification of the substance/mixture: CAS Number: EC number: PANGEL B20 Mixture Mixture 1.2. Relevant identified uses of the substance or mixture and uses advised against This material should only be used for industrial purposes. Rheological Additive 1.3. Details of the supplier of the safety data sheet Manufacturer/Supplier: TOLSA Group Address: Núñez de Balboa, 51 E MADRID - Spain Telephone: (00 34) Fax: (00 34) reach@tolsa.com 1.4. Emergency telephone number (00 1) (TOLSA USA Inc.) SECTION 2: Hazards identification 2.1. Classification of the substance or mixture Classification according to 29 CFR Appendix A and B Danger Eye Dam. 1 Hazards Statements - May cause cancer - Causes serious eye damage Classification according to GHS Eye Dam. 1 H318 Causes serious eye damage Label Elements Labelling according to 29 CFR Appendix C Danger Eye Dam. 1 Contains <1% Total Crystalline Silica Hazards Statements - May cause cancer - Causes serious eye damage Precautionary Statements - Obtain special instructions before use. - Do not handle until all safety precautions have been read and understood.

2 Page: 2/8 - Wear respiratory protection. If high dust conditions wear protective gloves/protective clothing/eye protection/face protection. - If exposed or concerned: Get medical attention. - If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. - Store locked up. - Dispose of contents/container in accordance with local/regional/national/international regulations Labelling according to GHS Hazard pictogram(s) Signal words Danger; Eye Dam. 1 Hazard statement(s) H318 Causes serious eye damage. Precautionary statement(s) P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310 Immediately call a POISON CENTER or doctor/physician P280 Wear protective gloves/protective clothing/eye protection/face protection 2.3. Other hazards This product may generate dust during handling and use. This product may contain quartz (crystalline silica). Long term overexposure to crystalline silica dust may cause silicosis. A prolonged or repeated exposure via inhalation may cause cancer to lungs. IARC and NTP have determined that crystalline silica inhaled from occupational sources can cause cancer in humans. Risk of injury is dependent on the duration and level of exposure SECTION 3: Composition/information on ingredients 3.1. Substance/preparation Information on hazardous components. Chemical name Quaternary ammonium compounds, benzyl- C14-18-alkyldimethyl, chlorides Content (%) EC number CAS Number < Classification Regulation (EC) 1272/2008 Aquatic Acute 1;Eye Dam. 1;Acute Tox. 4;Skin Irrit. 2 Hazard statement(s)* H302;H315;H318;H400 (*) See the full text of the hazard statements and risk phrases in section 16. The full text of R and H phrases are listed in Section 16. Sepiolite may contain crystalline silica in quantity below 1%.

3 Page: 3/8 SECTION 4: First aid measures 4.1. Description of necessary first aid measures In case of inhalation : Allow resting in a well-ventilated area if high concentration is inhalated and mechainica irritation or discomfort occurs. Seek medical attention if irritation persits. In case of contact with skin : IF IN EYES: In case of contact with eyes, rinse immediately with plenty of water for at least 15 minutes and seek medical advice. Seek medical advice if irritation persists, or if there is tissue damage. In case of ingestion: Rinse mouth with water. Obtain medical advice. Keep at rest. Do not induce vomiting. Individual protection of the person providing first aid : 4.2. Most important symptoms and effects, both acute and delayed Most important symptoms and effects, both acute Mechanical Irritation. and delayed : 4.3. Indication of any immediate medical attention and special treatment needed Indication of any immediate medical attention and special treatment needed : SECTION 5: Firefighting measures 5.1. Extinguishing Media Suitable extinguishing media: Water spray, carbon dioxide, dry chemical powder or appropriate foam. Unsuitable extinguishing media: For safety reasons do not use full water jet Special hazards arising from the substance or mixture Special hazards arising from the substance or Combustion products of the organic component are CO, CO2, and even traces mixture: of NOx Advice for firefighters Protective equipment and actions: SECTION 6: Accidental release measures No special requirements. Do not allow spillage of fire will be poured into drains or watercourses Personal precautions, protective equipment and emergency procedures For non-emergency personnel: Avoid dust formation Avoid breathing dust and contact with eyes Use respiratory protection if high dust conditions, chemical resistant gloves and safety glasses For emergency responders: 6.2. Environmental precautions Environmental precautions: None special Do not discharge into any drains, surface waters or groundwaters Methods and material for containment and cleaning up Methods and material for containment and Scoop up or vacuum soil spillages, if appropiated, use gentle water spray to cleaning up: wet down Ventilate area and wash spill site after material pickup is complete. Place in a closed container prior to disposal. Dispose of in accordance with current laws and regulations Reference to other sections Reference to other sections :

4 Page: 4/8 SECTION 7: Handling and storage 7.1. Precautions for safe handling Recommendations: Advice on general occupational hygiene: Other information: Avoid contact with the eyes, skin and clothing. Wear protective clothing and use glasses. Provide suitable air extraction ventilation in the work areas. Vapors may form explosive mixtures with air. Observe the rules of hygiene and safety at work. Keep only in the original container Conditions for safe storage, including any incompatibilities Conditions for safe storage, including any Store in dry area incompatibilities: Keep away from incompatible materials (see section of incompatibility). Do not store this material near food or drinking water. To be stored in tightly sealed and preferably full containers in cool, dry and ventilated area Specific end use(s) Specific end use(s): None. SECTION 8: Exposure controls/personal protection 8.1. Control parameters TWA (8h): 15 mg/m3 (total); 5 mg/m3 (respirable) as PNOR (OSHA); 10 mg/m3 (total); 3 mg/m3 (respirable) as PNOR (ACGIH) Respect regulatory provisions for dust (inhalable and respirable) 8.2. Exposure controls Appropriate engineering controls : Individual protection measures, such as personal protective equipment : Eye/face protection: Skin protection : Hand protection: Other: Respiratory protection: Thermal hazards : General ventilation. Local exhaust ventilation is recommended to keep airbone dust levels below exposure limits Chemical safety goggles are recommended. Wash contaminated goggles before reuse. Light protective clothing recommended. Wash contaminated clothing before reuse. Avoid inhalation and contact with skin and eyes. Compatible chemical-resistant gloves are recommended. Wash contaminated gloves before reuse. Measures should be taken to prevent materials from being splashed into the eyes or on the skin. Wear eyeslilds and protective clothing. Use air-purifying dust respirator if airbone dust concentration is above exposure limits. In the case of brief exposure, use a device filter.

5 Page: 5/8 PANGEL B20 SECTION 9: Physical and chemical properties 9.1. Information on basic physical and chemical properties Appearance: Light cream powder Odour: Slight isopropanol-like and amine-like ph : Melting point: 1550 C Boiling Point : Flash Point: Not applicable Evaporation Rate : Flammability (solid, gas) : Upper/lower flammability or explosive limits : Particle size (median value): 10.7 µm Minimum Ignition Temperature (MET): 590ºC (EN :1999) Minimum Ignition Energy (MIE): >1000 mj (EN 13821:2003) Minimum Ignition Temperature of dust layer: >400ºC (EN :1999) Lower and upper explosive (flammable) limits : Lower Explosion Limit: >1500 g m-3 (EN :2006) Maximum Explosion Overpressure 3.8 bar (EN :1993) Maximum rate of explosion pressure rise (dp/df) max: 190 bar s-1 Kmax Value: 52 bar m s-1 (EN :1993) Dust Explosion Class: St1 Vapor pressure at 20ºC : Vapor density : Relative density: 2.1 Solubility(ies) : Partition coefficient: n-octanol/water : Auto-ignition temperature : Decomposition temperature : Viscosity : 9.2. Other information Other information : SECTION 10: Stability and reactivity Reactivity Reactivity : Chemical stability Chemical stability : Possibility of hazardous reactions Possibility of hazardous reactions : Conditions to Avoid Conditions to Avoid: Incompatible materials Incompatible materials: None hazardous reactions are expected This product is stable in normal conditions. None hazardous reactions are expected No special requirements. None known

6 Page: 6/ Hazardous decomposition products Hazardous decomposition products: Combustion by-products of the organic component are CO, CO2 and even traces of NOx SECTION 11: Toxicological information Information on toxicological effects Information on toxicological acute effects : Information on toxicological chronical effects : May cause eye irritation if exposed to large amounts of dust Skin irritation may result from physical contact Inhalation of high concentrations may cause irritation Sepiolite produced by TOLSA has no carcinogenic effects as it has been demonstrated by epidemiological, in vitro and in vivo studies. Sepiolite is classified by IARC as class 3 ("Cannot be classified as to carcinogenicity to humans"). This product may contain quartz (crystalline silica). In 1997, IARC concluded that the respirable fraction of crystalline silica inhaled from occupational sources can cause lung cancer in humans. However, it pointed out that not all industrial circumstances, nor all crystalline silica types, were to be incriminated (IARC Monographs, Vol 68) A prolonged or repeated exposure via inhalation may cause cancer to lungs. IARC and NTP have determined that crystalline silica inhaled from occupational sources can cause cancer in humans. Risk of injury is dependent on the duration and level of exposure Other relevant information : No mutagenic, teratogenic or developmental toxicity effects are known There is body of evidence supporting the fact that increased cancer risk would be limited to people already suffering from silicosis. According to the current state of the art, worker protection against silicosis can be consistently assured by respecting the existing regulatory occupational exposure limits. SECTION 12: Ecological information Toxicity Toxicity : CL50 (72h, algae): 1.3 mg/l (OCDE 201) CE50 (48h, daphnia): 5.4 mg/l (OCDE 202) CL50 (96h, fish): 18 mg/l (OCDE 203) Persistence and degradability Persistence and degradability : Easily biodegradable Bioaccumulative potential Bioaccumulative potential : Soil mobility Soil mobility : Results of PBT and vpvb assessment Results of PBT and vpvb assessment : Other adverse effects Not bioaccumulative Other adverse effects: See also Sections 6, 7, 13 and 15 Avoid contamination of soil, groundwater and surface water.

7 Page: 7/8 SECTION 13: Disposal considerations Waste treatment methods Waste treatment containers : Appropiate methods of waste treatment of both substance or mixtures : Appropiate methods of waste treatment of contaminated packaging : Wastewater discharge : Community/national/regional provisiones relating to waste : Dispose in a safe manner in accordance with local/national regulations. Dispose in a safe manner in accordance with local/national regulations Dispose in a safe manner in accordance with local/national regulations. SECTION 14: Transport information Land Transport (ADR/RID) Substance/mixture is not classified as hazardous for transport Sea Transport (IMDG) Substance/mixture is not classified as hazardous for transport Air Transport (IATA) Substance/mixture is not classified as hazardous for transport SECTION 15: Regulatory information Safety, health and environmental regulations/legislation specific for the substance or mixture Other : Authorisations : Usage: : Chemical Safety Assessment Chemical Safety Assessment :

8 Page: 8/8 PANGEL B20 SECTION 16: Other information Hazard statement(s) Text H302: Harmful if swallowed. H315: Causes skin irritation. H318: Causes serious eye damage. H400: Very toxic to aquatic life. Precautionary statement(s) Text P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310: Immediately call a POISON CENTER or doctor/physician P280: Wear protective gloves/protective clothing/eye protection/face protection Inventories status: Inventory CAS# Sepiolite CAS# Quaternary ammonium compounds, benzyl-c alkyldimethyl, chlorides CAS# Quaternary ammonium compounds, benzyl(hydrogenated tallow alkyl)dimethyl, chlorides TSCA (USA) Listed Listed Listed EINECS (EU) Listed ( ) Listed ( ) Listed ( ) AICS (AUS) Listed Not found Listed HSNO (NZL) Not found Not found Not found NZIoC (NZL) Listed Not found Listed IECSC (CHN) Listed Not found Listed KECl (KOR) Listed ( ) Not found Listed ( ) DSL (CAN) Not found Not found Listed NDSL (CAN) Listed Listed Not found ENCS (JPN) Listed Listed Listed PICCS (PHL) Listed Not found Listed CSNN (TWN) Listed Not found Listed CAS# is an alternative chemical denomination of CAS# Reason for revision: Classification and labelling for silica content The information in this Material Safety Data Sheet should be provided to all who will use, handle, storage, transport or otherwise be exposed to these products. This information has been prepared for the guidance of plant engineering, operations, management and for people working with or handling these products. This information is believed to be reliable and updated at Revision Date, and represents the best information currently available and known by TOLSA. However, TOLSA makes no guarantee or warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. The information related herein is based in proper handling and anticipated uses and is for the material without chemical additions/alterations Users should make their own investigations to determinate the suitability of the information for their particular purposes.