Product ID:DELRIN ACETAL RESIN (AFDE588)
MSDS Date:12/21/1988
FSC:6810
NIIN:00N015216
MSDS Number: BKNQC

Emergency Phone: 800-441-3637

Info Phone: 800-441-7515

Preparer: J B ARMITAGE

Cage: 0ERJ7

Telephone: 800-441-7515;800-441-9442

Cage: 18873

ANTIOXIDANTS

POLYOXYMETHYLENE

FORMALDEHYDE HOMOPOLYMER

POLYTETRAFLUOROETHYLENE

STABILIZERS

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INGEST: NOT A PROBABLE ROUTE OF
EXPOSURE. SKIN: NOT TOXIC. HOT POLYMER WILL CAUSE THERMAL BURNS.
EYE: MECHANICAL IRRITATION. INHAL: FORMALDEHYDE IS HIGHLY
IRRITATING TO EYES AND UPPER RESPIRATORY TRAC T. WHEN THE POLYMER
IS THERMALLY DECOMPOSED IT MAY CAUSE POLYMER FUME FEVER. CHRONIC:
FORMALDEHYDE (SEE EFTS OF OVEREXP)
Explanation of Carcinogenicity:NONE.
Effects of Overexposure:HLTH HAZ: RELEASED IN SMALL QUANTITY DURING
MELT PROCESSING IS CLASSIFIED AS AN ANIMAL CARCINOGEN.
Medical Cond Aggravated by Exposure:INDIVIDUALS WITH PREEXISTING
DISEASES OF THE LUNGS MAY HAVE INCREASED SUSCEPTIBILITY TO THE TOX
OF EXCESSIVE EXPOSURE TO FORMALDEHYDE.

First Aid:IF EXPOSED TO FUMES FROM OVERHEATING OR COMBUSTION, MOVE TO
FRESH AIR. CONSULT MD IF SYMPTOMS PERSIST. FLUSH EYES WITH PLENTY
OF WATER. CONSULT MD IF SYMPTOMS PERSIST. IF MOLTEN POLYMER
CONTACTS SKIN, COOL RAPIDLY WITH COLD WATER. DO NOT ATTEMPT TO
PEEL POLYMER FROM SKIN. OBTAIN MED ATTN FOR THERMAL BURN.

Flash Point:612F,322C
Extinguishing Media:WATER, CO*2, FOAM, DRY CHEMICAL.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT FOR PROTECTION FROM FUMES OF FORMALDEHYDE AND
HYDROGEN FLUORIDE.
Unusual Fire/Explosion Hazard:BURNS WITH A COLORLESS FLAME. DELRIN DUST
CLOUD IGNITION TEMPERATURE 440C.

Spill Release Procedures:SWEEP UP TO PREVENT A SLIPPING HAZARD.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:DRY STORAGE. KEEP CONTAINERS CLOSED TO
PREVENT CONTAMINATION. OPEN CONTAINERS ONLY IN WELL-VENTILATED
AREAS.
Other Precautions:READ SAFETY PREC TO OBSERVE WHEN HANDLING MOLTEN
DELRIN ACETAL RESIN E-48703 AND SAFETY PREC IN MOLDING MANUAL
E-09143 BEFORE USING DELRIN. AVOID PROLONGED HEATING ABOVE MELTING
POINT (178C).

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
EXPOSURE OF CONCERN IF LOCAL EXHAUST DOES NOT KEEP FORMALDEHYDE
CONC BELOW 1 PPM.
Ventilation:LOCAL EXHAUST AT PROCESSING EQUIPMENT.
Protective Gloves:PROTECTIVE GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:LONG SLEEVE COTTON SHIRT AND LONG PANTS.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FL PT METH: ASTM 1929-62. MATL TO AVOID: AVOID CONTAMINATING TOBACCO
PRODUCTS. HAZ DECOMP PRODS: TWA), AND A SHORT TERM EXPOSURE LIMIT
OF 2 PPM (15 MINUTE). HYDROGEN FLUORIDE HAS A PEL OF 3 PPM (8 HOU R
TWA).

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:342F,172C
Spec Gravity:1.54
Solubility in Water:INSOLUBLE
Appearance and Odor:GRANULES, SLIGHT FORMALDEHYDE ODOR.

STRONG ACIDS & BASES (DECOMPOSES FORMING FORMALDEHYDE). STRONG
OXIDIZING AGENTS. CARE SHOULD BE TAKEN TO (SEE SUPP DATA)
Stability Condition to Avoid:HEATING ABOVE 230C (FORMS FORMALDEHYDE &
CAN ALSO EVOLVE HYDROGEN FLUORIDE & TOXIC FLUORINATED
HYDROCARBONS).
Hazardous Decomposition Products:FORMALDEHYDE IS CLASSIFIED AS AN
ANIMAL CARCINOGEN, AND HAS AN OSHA PERMISSIBLE EXPOS LIMIT OF 1 PPM
(8-HR (SUPP DATA)

Waste Disposal Methods:INCINERATION OR LANDFILL IN COMPLIANCE WITH
FEDERAL, STATE AND LOCAL REGULATIONS. ALKALINE SCRUBBING TO REMOVE
GASEOUS COMBUSTION PRODUCT REQUIRED FOR INCINERATION.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.