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N N <br /> 20-7056 HY-25 HYSQ ANSI 61 UL <br /> Z3 Total dust. <br /> Z1A TWA Total dust. 10 mg/m3 <br /> [Component Regulation I T otllstlrt Value <br /> Carbon black Rohm and Haas TWA 3.0 mg/m3 <br /> Rohm and Haas STEL 6 mg/m3 <br /> ACG1H TWA 3.5 mg/m3 <br /> OSHA—TRANS PEL 3.5 mg/m3 <br /> Eye protection: Use chemical splash goggles(ANSI Z87.1 or approved equivalent). <br /> Hand protection: For prolonged or repeated contact use protective gloves. <br /> Respiratory protection: None required it airborne concentrations are maintained below the exposure <br /> limit listed in Exposure Limit Information. When dusty conditions are encountered, wear a properly <br /> fitted NIOSH approved (or equivalent)hail-mask, air-purifying respirato r. A respiratory protection <br /> program meeting OSHA 1910.134 and ANSI Z88.2 requirements or equivalent must be followed <br /> whenever workplace conditions warrant a respirator's use. <br /> Hygiene measures: Handle in accordance with good industrial hygiene and safety practice. Do not <br /> breathe dust. <br /> Protective measures: No special protective equipment required. Do not breathe dust. <br /> Engineering measures: Use explosion-proof local exhaust ventilation with a minimum capture <br /> velocity of 10011/min(0.5 m/sec) at the point of vapor evolution. Refer to the current edition of <br /> Industrial Ventilation: A Manual of Recommended Practice published by the American Conference of <br /> Governmental Industrial Hygienists for information on the design, installation, use, and maintenance of <br /> exhaust systems. <br /> 9. PHYSICAL AND CHEMICAL PROPERTIES <br /> Appearance <br /> Form Fine powder <br /> Colour See Section 1 <br /> PH not applicable <br /> Melting point/range 40-80 °C ( 104. 176 °F) <br /> Flash point Not Determined not applicable <br /> Lower explosion limit 30-70%(V) <br /> Upper explosion limit Not Determined <br /> Water solubility negligible <br /> Relative density Not Determined <br /> Density 1.63 g/cm3 <br /> Percent volatility 1 % <br /> VOC's Not Determined <br /> NOTE: The physical data presented above are typical values and should not be construed as a <br /> specification. <br /> 10, STABILITY AND REACTIVITY <br /> Page 4 0' 7 Revision date 0 7/2 012 00 7 <br />