Page 686 - Plastic Process Equipment, Inc

SDS DEFINITIONS

ACGIH TLV: American Conference of Government Industrial Flammable: A chemical that includes one of the following categories:
Hygienists threshold limit value - Refers to airborne concentrations a) "Aerosol, flammable." An aerosol that, when tested by the
of substances and represents conditions under which it is believed method described in 16 CFR 1500.45, yields a flame projection
that nearly all workers may be repeatedly exposed, day after day, exceeding 18 inches at full valve opening, or a flashback (a flame
without adverse health effects. extending back to the valve) at any degree of the valve opening
b) "Gas, Flammable." (1) A gas that, at ambient temperature and
CARCINOGEN: A material that either causes cancer in humans, or, pressure, forms a flammable mixture with air at a concentration
because it causes cancer in animals, is considered capable of of 13 percent by volume or less; or (2) A gas that, at ambient
causing cancer in humans. temperature and pressure, forms a range of flammable mixtures
with air wider than 12 percent by volume, regardless of the lower
CAS Registration Number, CAS, CAS RN: An assigned number limit.
used to identify a chemical. CAS stands for Chemical Abstracts c) "Liquid, flammable." Any liquid having a flash point below
Service, an organization that indexes information published in 100°F (37.8°C), except any mixture having components with
Chemical Abstracts by the American Chemical Society and that flashpoints of 100°F (37.8°C) or higher, the total of which make
provides index guides by which information about a particular up 99 percent or more of the total volume of the mixture.
substances may be located in the abstracts. Sequentially assigned d) "Solid, flammable." A solid, other than a blasting agent or
by CAS numbers identify specific chemicals, except when followed explosive as defined in 1910.109(a), that is liable to cause fire
by an asterisk (*) which signifies a compound (often naturally through friction, absorption of moisture, spontaneous chemical
occurring) of variable composition. The numbers have no chemical change, or retaining heat from manufacturing processing, or
significance. The CAS number is a concise, unique means of which can be ignited readily and when ignited burns so vigorously
material identification. and persistently as to create a serious hazard. A substance is a
flammable solid if, when tested by the method described in 16
CFC: Chlorofluorocarbon. Associated with damage to the earth's CFR 1500.44, it ignites and burns with a self-sustained flame at
ozone layer. a rate greater than one-tenth of an inch per second along it's
major axis.
CHEMTREC: Chemical Transportation Emergency Center.
Established in Washington, DC, by the Chemical Manufacturers FLASHPOINT, FP: The minimum temperature at which a liquid
Association (CMA) to provide emergency information on materials gives off a vapor in sufficient concentration to ignite when tested by
involved in transportation accidents. Twenty-four-hour number 1- the following methods:
800-424-9300. a) Tagliabue Closed Tester (see American National Standard
Method of Test for Flash Point by Closed Tag Tester,
FIRE DIAMOND (NFPA Hazard Rating): Per "NFPA 704" Z11.24-1979 [ASTM D 56-79]).
publication. Visual system that provides a general idea of the b) Pensky-Martens Closed Tester (see American National
inherent hazards, and their severity, of materials relating to fire Standard Method of Test for Flash Point by Pensky-Martens
prevention, exposure and control. Preferred reading order: Health, Closed Tester, Z11.7-1979[ASTM D 93-79]).
Flammability, Reactivity, Special. c) Setaflash Closed Tester (see American National Standard
Position A - Health Hazard (Blue). Degree of hazard; level of short- Method of Test for Flash Point by Setaflash Closed Tester
term protection. [ASTM D 3278-78]).
0= Ordinary Combustible Hazards in a fire B
1= Slightly Hazardous A C Highly Toxic: A chemical in any of the following categories:
2= Hazardous D a) A chemical with a median lethal dose (LD50) of 50 milligrams or
3= Extreme Danger less per kilogram of body weight when administered orally to
4= Deadly E albino rats weighing between 200 and 300 grams each.
Position B - Flammability (Red) Susceptibility to burning. b) A chemical with a median lethal dose (LD50) of 200 milligrams
0= Will Not Burn or less per kilogram of body weight when administered by
1= Will Ignite if Preheated continuous contact for 24 hours (or less if death occurs within 24
2= Will Ignite if Moderately Heated hours) with the bare skin of albino rabbit weighing between 2 and
3= Will Ignite at Most Ambient Conditions 3 kilograms each.
4= Burns Readily at Ambient Conditions c) A chemical with a median lethal concentration (LC50) in air of
Position C - Reactivity, Instability (yellow). Energy released if 200 parts per million by volume or less of gas or vapor, or 2
burned, decomposed, or mixed. milligrams per liter or less of mist, fume, or dust, when administered
0= Stable and Not Reactive with Water by continuous inhalation for one hour (or less if death occurs
1= Unstable if Heated within 1 hour) to albino rats weighing between 200 and 300
2= Violent Chemical Change grams each.
3= Shock and Heat May Detonate
4= May Detonate HMIS RATING: Hazardous Material Identification System - Rating
Position D - Special Hazard (White) system developed by the National Paint and Coatings Association
Position E - If two specific hazards exist. to provide employees with a quick identification of the hazards
OXY = Oxidizer associated with workplace materials.
ACID = Acid
ALKALI = Alkali IARC: International Agency for Research on Cancer.
COR = Corrosive
W = Use No Water, reacts! LC: Lethal concentration is the concentration of a substance being
= Radiation Hazard tested that will kill.
PLASTIC PROCESS EQUIPMENT, INC. www.ppe.com
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