ChemWatch MSDS 4993-49 - Dentsply

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DENTSPLY PRISMA VLC DYCAL BASELINER COMPOSITION ChemWatch Material Safety Data Sheet CHEMWATCH 4993-49 Issue Date: Tue 27-Jul-2004 CD 2004/2 Page 6 of 11 Section 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION ... EXPOSURE STANDARDS FOR MIXTURE "Worst Case" computer-aided prediction of spray/ mist or fume/ dust components and concentration: Composite Exposure Standard for Mixture (TWA) :4.4444 mg/m³. Operations which produce a spray/mist or fume/dust, introduce particulates to the breathing zone. If the breathing zone concentration of ANY of the components listed below is exceeded, "Worst Case" considerations deem the individual to be overexposed. Component Breathing Zone ppm Breathing Zone mg/m³ Mixture Conc (%) Component Breathing Zone Mixture Conc (mg/m³) (%) barium sulfate 2.2222 25.0 calcium hydroxide 2.2222 25.0 INGREDIENT DATA CALCIUM HYDROXIDE: TLV TWA: 5 mg/m³ [ACGIH] PEL Total particulate: 15mg/m³ [OSHA Z1] PEL Respirable fraction : 5mg/m³ [OSHA Z1] TLV TWA: 5 mg/m³ ES TWA: 5 mg/m³ OES TWA: 5 mg/m³ In the absence of reports of adverse effects from exposure and the recognised lesser alkalinity of the alkaline earths compared with the the alkali hydroxides the relatively high value of TLV-TWA is recommended. This value corresponds in total alkalinity to 5 mg/m³ of sodium hydroxide or 2.5 times the TLV-TWA of sodium hydroxide. BARIUM SULFATE: TLV TWA: 10 mg/m³ [ACGIH] for total dust containing no asbestos and
DENTSPLY PRISMA VLC DYCAL BASELINER COMPOSITION ChemWatch Material Safety Data Sheet CHEMWATCH 4993-49 Issue Date: Tue 27-Jul-2004 CD 2004/2 Page 7 of 11 Section 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION ... EYE · Safety glasses with side shields · Chemical goggles. · Contact lenses pose a special hazard; soft lenses may absorb irritants and all lenses concentrate them. HANDS/FEET Wear chemical protective gloves, eg. PVC. Wear safety footwear or safety gumboots, eg. Rubber NOTE: The material may produce skin sensitisation in predisposed individuals. Care must be taken, when removing gloves and other protective equipment, to avoid all possible skin contact. OTHER · Overalls. · P.V.C. apron. · Barrier cream. · Skin cleansing cream. · Eye wash unit. GLOVE SELECTION INDEX Glove selection is based on a modified presentation of the: "Forsberg Clothing Performance Index". The effect(s) of the following substance(s) are taken into account in the computer-generated selection: Substance ________________________________________ calcium hydroxide NATURAL RUBBER A NATURAL+NEOPRENE A * CPI - Chemwatch Performance Index A: Best Selection B: Satisfactory; may degrade after 4 hours continuous immersion C: Poor to Dangerous Choice for other than short term immersion NOTE: As a series of factors will influence the actual performance of the glove, a final selection must be based on detailed observation. - * Where the glove is to be used on a short term, casual or infrequent basis, factors such as "feel" or convenience (e.g. disposability), may dictate a choice of gloves which might otherwise be unsuitable following long-term or frequent use. A qualified practitioner should be consulted. RESPIRATOR Selection of the Class and Type of respirator will depend upon the level of breathing zone contaminant and the chemical nature of the contaminant. Protection Factors (defined as the ratio of contaminant outside and inside the mask) may also be important. Breathing Zone Maximum Protection Half-face Full-Face Level ppm (volume) Factor Respirator Respirator 1000 10 -AUS P - continued...
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ChemWatch MSDS 4993-49 - Dentsply

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