43.0Page 1/8Safety Data SheetPrinting date 10/18/2017*Version Number 1.2Reviewed on 10/18/20171 IdentificationProduct identifierTrade name: Monokote PatchingCompoundSDS ID Number: 2688Relevant identified uses of the substance or mixture, and uses advised againstSpecialty construction product. Not intended for other usesDetails of the supplier of the safety data sheetManufacturer/Supplier:GCP Applied Technologies62 Whittemore AvenueCambridge, MA 02140 USAGCP Canada, Inc.294 Clements Road W.Ajax, Ontario L1S 3C6 CanadaInformation department:Environmental Health & SafetyUSA: 1-617-876-1400 (24 hours) 1-800-354-5414 (8AM - 5PM) Not functional within MassachusettsCAN: 1-905-683-8561 (24 hours)Email address: [email protected] Emergency: Chemtrec 1-800-424-9300 (24 hours)*2 Hazard(s) identificationClassification of the substance or mixtureDepending on the type of handling and use, airborne respirable crystalline silica may be generated. Prolonged and/or massiveinhalation of respirable silica dust may cause silicosis. Occupational exposure to respirable crystalline silica should bemonitored and controlled.This product should be handled with care to avoid dust generation.May cause cancer. Route of exposure: Inhalation.Label elements:Hazard pictograms dGHS08DangerPrecautionary statements(Cont. on page 2)USGHS

43.0Page 2/8Safety Data SheetPrinting date 10/18/2017Version Number 1.2Reviewed on 10/18/2017Trade name: Monokote Patching CompoundDo not handle until all safety precautions have been read and understood.Avoid breathing dust.Wash thoroughly after handling.In case of inadequate ventilation wear respiratory protection.Dispose of contents container in accordance with all applicable regulations.(Cont. from page 1)Wash contaminated clothing before reuse.If inhaled, get medical advice/attention if you feel unwell.May cause skin and eye irritation.Use personal protection equipment as required.FOR PROFESSIONAL USE ONLYNFPA ratings (scale 0 - 4)10Health 1Fire 0Reactivity 00HMIS-ratings (scale 0 - 4)HEALTH*1FIRE0REACTIVITY 0Health *1Flammability 0Reactivity 0Other hazardsResults of PBT and vPvB assessmentPBT: Not applicable.vPvB: Not applicable.*3 Composition/information on ingredientsChemical characterization: MixtureDescription: Mixture of the hazardous substance(s) listed below with additional nonhazardous ingredients.Hazardous components:7778-18-9 Calcium sulfate, natural14808-60-7 Quartz (SiO2)1317-65-3 Calcium carbonate*50-90% 2.0%1.0-10.0%4 First-aid measuresDescription of first aid measuresGeneral information: Get medical advice/attention if you feel unwell.After inhalation: If breathing has stopped, give artificial respiration then oxygen if needed.After skin contact:Immediately wash contaminated skin with soap or mild detergent and water. If this chemical soaks clothing, immediatelyremove clothing and wash skin.If skin irritation occurs, consult a doctor.After eye contact:Rinse cautiously with water for several minutes.If eye irritation occurs, consult a doctor.After swallowing:Rinse mouth.Do NOT induce vomiting.Information for doctor:Most important symptoms and effects, both acute and delayed No further relevant information available.(Cont. on page 3)USGHS

43.0Page 3/8Safety Data SheetPrinting date 10/18/2017Version Number 1.2Reviewed on 10/18/2017Trade name: Monokote Patching Compound(Cont. from page 2)Indication of any immediate medical attention and special treatment needed No further relevant information available.*5 Fire-fighting measuresSpecial hazards arising from the substance or mixture No further relevant information available.Additional information No further relevant information available.*6 Accidental release measuresPersonal precautions, protective equipment and emergency proceduresWear protective equipment. Keep unprotected persons away.Avoid formation of dust.Methods and material for containment and cleaning up:Sweep up spilled product into receptacles.Avoid formation of dust.Vacuuming or wet sweeping may be used to avoid dust dispersal.Dispose contaminated material as waste according to section 13 of the SDS.Reference to other sectionsSee Section 7 for information on safe handling.See Section 8 for information on personal protection equipment.See Section 13 for disposal information.*7 Handling and storageHandling:Precautions for safe handlingDo not breathe dust.Fit dust covers to mixers.Prior to welding or cutting, Monokote must be removed from steel surfaces likely to be exposed to excessive heating.Avoid contact with skin.Avoid contact with eyes.Conditions for safe storage, including any incompatibilitiesStorage:Further information about storage conditions: Store in cool, dry conditions in well sealed original receptacles.Specific end use(s) No further relevant information available.*8 Exposure controls/personal protectionAdditional information about design of technical systems: No further data; see item 7.Control parametersComponents with limit values that require monitoring at the workplace:1317-65-3 Calcium carbonateTWA (USA) Short-term value: 10 mg/m³, mg/m3 ppmLong-term value: 10 mg/m³, mg/m3 ppm(Particulate matter no asbestos)14808-60-7 Quartz (SiO2)PEL (USA) see Quartz listing(Cont. on page 4)USGHS

43.0Page 4/8Safety Data SheetPrinting date 10/18/2017Version Number 1.2Reviewed on 10/18/2017Trade name: Monokote Patching CompoundREL (USA) Long-term value: 0.05* mg/m³*respirable dust; See Pocket Guide App. ATLV (USA) Long-term value: 0.025* mg/m³* as respirable fraction(Cont. from page 3)Additional Occupational Exposure Limit Values for possible hazards during processing:In addition to the exposure limits referenced above, the following non-specific limits for dust apply to this product; OSHA,15 mg/m3-TWA for Total Dust and 5 mg/m3-TWA as Respirable Dust, ACGIH, 10 mg/m3-TWA as Total Dust and 3 mg/m3-TWA as Respirable Dust.Additional information:The lists that were valid during the creation were used as basis.Canadian employers must consult the exposure limits in their province.Work/Hygienic Practices: The usual precautionary measures for handling chemicals should be followed.Exposure controlsMinimize airborne dust generation. Use process enclosures, local exhaust ventilation or other engineering controls to keepairborne levels below specified exposure limits. If user operations generate dust, or mist, use ventilation to keep exposure toairborne particles below the exposure limit. Apply organizational measures, eg. by isolating personnel from dusty areas.Remove and wash soiled clothing.Personal protective equipment:General protective and hygienic measures:Store protective clothing separately.The usual precautionary measures for handling chemicals should be followed.Breathing equipment:Control exposure to ingredients with workplace control parameters if mentioned above. If no ingredients are listed,respiratory protection is generally not required.If exposure limits are listed and may be exceeded, use approved respiratory protective equipment and filter type appropriatefor the listed ingredients. (NIOSH, CEN, etc.).Protection of hands: Gloves should be worn to prevent skin contact and should be impermeable and resistant to the product.Material of gloves Gloves should be worn to prevent skin contact and should be impermeable and resistant to the product.Eye protection:Safety glasses with side shield protection.Safety glasses with side shields should be worn to prevent contact due to splashing. Under high vapor mist concentrations,tightly sealed goggles should be worn.Body protection:Use personal protective equipment as required.Take off contaminated clothing.*9 Physical and chemical propertiesInformation on basic physical and chemical propertiesGeneral InformationAppearance:Form:Color:Odor:Odor threshold:PowderGreyEarthyNot determined.pH-value ( ):Not applicable.Change in conditionMelting point/Melting range:Boiling point/Boiling range:Undetermined.Undetermined.(Cont. on page 5)USGHS

43.0Page 5/8Safety Data SheetPrinting date 10/18/2017Version Number 1.2Reviewed on 10/18/2017Trade name: Monokote Patching Compound(Cont. from page 4)Flash point:Not applicable.Flammability (solid, gaseous):Not determined.Decomposition temperature:Auto igniting:Danger of explosion:Not determined.Product is not selfigniting.Product does not present an explosion hazard.Explosion limits:Lower:Upper:VOC Content (max):Not determined.Not determined.Not determined.Vapor pressure:Density: ( )Relative densityVapor densityEvaporation rateNot applicable.Not determined.Not determined.Not applicable.Not applicable.Solubility in / Miscibility withWater:Not miscible or difficult to mix.Partition coefficient (n-octanol/water): Not determined.*Viscosity:Dynamic:Kinematic:Molecular weightNot applicable.Not applicable.Not applicable.Other informationNo further relevant information available.10 Stability and reactivityReactivity Stable under normal conditions.Chemical stabilityThermal decomposition: No decomposition if used according to specifications.Possibility of hazardous reactions No further relevant information available.Conditions to avoid No further relevant information available.Incompatible materials: No further relevant information available.Hazardous decomposition products:Carbon monoxide and carbon dioxideCutting or welding may generate Sulfur dioxide.Additional information: See section 7 for information on handling, storage and conditions to be avoided.*11 Toxicological informationInformation on toxicological effectsAcute toxicity:LD/LC50 values relevant for classification:1317-65-3 Calcium carbonateOral LD506450 mg/kg (rat)LC50, 96h 10.000 mg/l (fish)Primary irritant effect:on the skin: No irritating effect expectedon the eye: No irritating effect expectedinhalation: No irritating effect expectedAdditional toxicological information: Prolonged exposure may cause risk of lung disease (i.e. silicosis and/or lung cancer).(Cont. on page 6)USGHS

43.0Page 6/8Safety Data SheetPrinting date 10/18/2017Version Number 1.2Reviewed on 10/18/2017Trade name: Monokote Patching Compound(Cont. from page 5)Carcinogenic categoriesIARC (International Agency for Research on Cancer) Human Carcinogenicity:Group 1- Positive, Group 2A- Probable, Group 2B- Possible, Group 3- Not Classifiable14808-60-7 Quartz (SiO2)9003-53-6 Expanded Polystyrene13NTP (National Toxicology Program)K–Known to be carcinogenic, R–May reasonably be anticipated to be carcinogenic14808-60-7 Quartz (SiO2)KOSHA-Ca (Occupational Safety & Health Administration)None of the ingredients is listed.12 Ecological informationToxicityAquatic toxicity:1317-65-3 Calcium carbonateEC50, 48h 1.000 mg/l (daphnia magna)EC50, 72h 10.000 mg/l (algae)Persistence and degradability No further relevant information available.Behavior in environmental systems:Bioaccumulative potential No further relevant information available.Mobility in soil No further relevant information available.Additional ecological information:General notes: Not known to be hazardous to water.Results of PBT and vPvB assessmentPBT: Not applicable.vPvB: Not applicable.Other adverse effects No further relevant information available.13 Disposal considerationsWaste treatment methods Comply with Federal, State and local regulations.Recommendation:[email protected]?Must not be disposed of together with household garbage. Do not allow product to reach sewage system.Uncleaned packagings:Recommendation: Disposal must be made according to official regulations.*14 Transport informationUN-NumberDOT, IMDG, IATAUN proper shipping nameDOT, IMDG, IATANot applicable.Not applicable.(Cont. on page 7)USGHS

43.0Page 7/8Safety Data SheetPrinting date 10/18/2017Version Number 1.2Reviewed on 10/18/2017Trade name: Monokote Patching Compound(Cont. from page 6)Transport hazard class(es)DOT, IMDG, IATAClassPacking groupDOT, IMDG, IATAEnvironmental hazards:Marine pollutant:Not applicable.Not applicable.NoSpecial precautions for user Not applicable.Transport/Additional information:*DOTRemarks:Note:Not Regulated.Not Regulated for Canada TDG.UN "Model Regulation":Not applicable.15 Regulatory informationSARA (Superfund Amendments and Reauthorization Act)Section 302/304 (extremely hazardous substances):None of the ingredients is listed.Section 313 Reportable Ingredients (Chemicals present below reporting threshold are exempt):None of the ingredients is listed.SARA Section 312/Tier I & II Hazard Categories:Health Delayed (chronic)YesHealth Immediate (acute)YesFlammableNoReactiveNoPressureNoNorth America Chemical Inventory StatusTSCA (Toxic Substances Control Act - United States):All ingredients are listed or exempt from listing unless otherwise noted below.CEPA (Canadian DSL):All ingredients are listed or exempt from listing unless otherwise noted below.Right to Know Ingredient Disclosure:65996-61-4 Cellulosic Fiber9003-53-6 Expanded PolystyreneCalifornia Proposition 65Chemicals known to cause cancer:Quartz (SiO2)Chemicals known to cause reproductive toxicity for females:None of the ingredients is listed.Chemicals known to cause reproductive toxicity for males:None of the ingredients is listed.Chemicals known to cause developmental toxicity:None of the ingredients is listed.Carcinogenicity CategoriesEPA (Environmental Protection Agency)None of the ingredients is listed.TLV-ACGIH (THE American Conference of Governmental Industrial Hygienists)Human Carcinogen - A1 Confirmed, A2 Suspected, A3 Unknown Relevance, A4 Not ClassifiableQuartz (SiO2)A2NIOSH-Cancer (National Institute for Occupational Safety and Health)14808-60-7 Quartz (SiO2)(Cont. on page 8)USGHS

43.0Page 8/8Safety Data SheetPrinting date 10/18/2017Version Number 1.2Reviewed on 10/18/2017Trade name: Monokote Patching CompoundVolatile Organic Compounds (VOC) reported per the Emission Standards. 0 g/L*(Cont. from page 7)16 Other informationThe data included herein are presented in accordance with various environment, health and safety regulations. It is theresponsibility of a re