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Re: Using SF6 for cap..



Hello all, thought the following info might interresting to those following 
this link:

Oh, one other thing to be aware of before using this stuff is that it is a 
known Ozone eater like the CFC's.

David Trimmell <dwt-at-efn-dot-org>
===========================================================================                     Ingredients/Identity Information
===========================================================================Proprietary: NO 
Ingredient: SULFUR HEXAFLUORIDE
Ingredient Sequence Number: 01 
Percent: 100% 
NIOSH (RTECS) Number: WS4900000 
CAS Number: 2551-62-4 
OSHA PEL: 1000 PPM 
ACGIH TLV: 1000 PPM; 9192 
Other Recommended Limit: 1000 PPM 
===========================================================================                     Physical/Chemical Characteristics
===========================================================================Appearance And Odor: COLORLESS, ODORLESS GAS
Boiling Point: 63.9C 
Melting Point: -50.8C 
Vapor Density (Air=1): 5.1 
Solubility In Water: SLIGHT 
Magnetism (Milligauss): N/P 
===========================================================================                      Fire and Explosion Hazard Data
===========================================================================Flash Point: NON FLAMMABLE 
Flash Point Method: N/P 
Special Fire Fighting Proc: WEAR SCBA APPROVED BY NIOSH. WATER SPRAY TO
KEEP CYLINDERS COOL.
Unusual Fire And Expl Hazrds: LIQUEFIED GASES IN CONTACT W/WATER CAN
EXPLODE VIOLENTLY.
===========================================================================                              Reactivity Data
===========================================================================Stability: YES 
Materials To Avoid: LIQUEFIED GASES IN CONTACT W/WATER CAN EXPLODE
VIOLENTLY, REACTIVE METALS
Hazardous Decomp Products: FLUORIDES OF SULFUR.
Hazardous Poly Occur: NO 
===========================================================================                            Health Hazard Data
===========================================================================Route Of Entry - Inhalation: NO 
Route Of Entry - Skin: YES 
Route Of Entry - Ingestion: NO 
Health Haz Acute And Chronic: SKIN: MAY ACT AS AN ASPHYXIANT IF OXYGEN IS
REDUCED <16%, PALENESS, & POSSIBLE CYANOSIS.
Carcinogenicity - NTP: NO 
Carcinogenicity - IARC: NO 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: NONE
Signs/Symptoms Of Overexp: SKIN: MAY ACT AS AN ASPHYXIANT IF OXYGEN IS
REDUCED <16%, PALENESS, POSSIBLE CYANOSIS (BLUE SKIN).
Emergency/First Aid Proc: INHALATION: REMOVE TO FRESH AIR. IF BREATHING
HAS STOPPED, GIVE ARTIFICIAL RESPIRATION, PREFERABLY MOUTH-TO- MOUTH. IF
BREATHING IS DIFFICULT, GIVE OXYGEN PROVIDED A QUALIFIED OPERATOR IS
AVAILABLE. CALL PHYSICIAN.
===========================================================================                   Precautions for Safe Handling and Use
===========================================================================Steps If Matl Released/Spill: EVACUATE UNPROTECTED PERSONNEL. PROTECTED
PERSONNEL MAY SHUT OFF LEAK. PRODUCT WILL DISPERSE ITSELF.
Waste Disposal Method: USERS OF THIS PRODUCT SHOULD REVIEW THEIR
OPERATIONS IN TERMS OF APPLICABLE FEDERAL, STATE AND LOCAL LAWS, AND
CONSULT WITH APPROPRIATE REGULATORY AGENCIES BEFORE DISCHARGE OR DISPOSAL
OF THIS MATERIAL.
Precautions-Handling/Storing: PROTECT CYLINDERS FROM PHYSICAL DAMAGE/HEAT/
SUNLIGHT. STORE IN AREA OF LOW FIRE RISK.
Other Precautions: NOTE: THE PRODUCT HAS NO WARNING PROPERTIES. THE GAS IS
ODORLESS. SF6 EXPOSED TO ELECTRIC ARCS MAY BREAK DOWN INTO TOXIC BYPDUCTS.
AVOID BREATHING SF6 WHICH HAS BEEN THUS EXPOSED.
===========================================================================                             Control Measures
===========================================================================Respiratory Protection: USE SELF-CONTAINED BREATHING APPARATUS OR AIR-
SUPPLIED RESPIRATOR
Ventilation: MECHANICAL (GENERAL)
Protective Gloves: NOT REQUIRED 
Eye Protection: SAFETY GLASSES 
===========================================================================                            Transportation Data
===========================================================================Trans Data Review Date:   91091 
DOT PSN Code: NTF 
DOT Proper Shipping Name: SULFUR HEXAFLUORIDE
DOT Class: 2.2 
DOT ID Number: UN1080 
DOT Label: NONFLAMMABLE GAS 
IMO PSN Code: OFB 
IMO Proper Shipping Name: SULPHUR HEXAFLUORIDE
IMO Regulations Page Number: 2179 
IMO UN Number: 1080 
IMO UN Class: 2(2.2) 
IMO Subsidiary Risk Label: - 
IATA PSN Code: XIS 
IATA UN ID Number: 1080 
IATA Proper Shipping Name: SULPHUR HEXAFLUORIDE
IATA UN Class: 2.2 
IATA Label: NON-FLAMMABLE GAS 
AFI PSN Code: XIS 
AFI Prop. Shipping Name: SULPHUR HEXAFLUORIDE
AFI Class: 2.2 
AFI ID Number: UN1080 
AFI Label: NON-FLAMMABLE GAS 
AFI Basic Pac Ref: 6-6,6-8 
MMAC Code: NR 
===========================================================================                               Disposal Data
======================================================================================================================================================                                Label Data
===========================================================================Label Required: YES 
Label Status: G 
Common Name: ACCUDRI SF6 
Chronic Hazard: N/P 
Special Hazard Precautions: SKIN: MAY ACT AS AN ASPHYXIANT IF OXYGEN IS
REDUCED <16%, PALENESS, & POSSIBLE CYANOSIS. SKIN: MAY ACT AS AN ASPHYXIANT
IF OXYGEN IS REDUCED <16%, PALENESS, POSSIBLE CYANOSIS (BLUE SKIN).