Product ID:DELRIN ACETAL RESIN, MFR17
MSDS Date:12/21/1988
FSC:8010
NIIN:00N015418
MSDS Number: BKQDQ

Emergency Phone: 800-441-3637;800-424-9300(CHEMTREC)

Info Phone: 800-441-7515

Preparer: J B ARMITAGE

Cage: 0ERJ7

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

Cage: 18873

POLYOXYMETHYLENE, POLYACETAL

CAS: 9002-81-7

ADDITIVES; ANTIOXIDANTS, LUBRICANTS & STABILIZERS.

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:(ACUTE) INGEST: NOT A PROBABLE ROUTE
OF EXPOSURE. SKIN: NOT TOXIC. HOT POLYMER WILL CAUSE THERMAL BURNS.
EYE: MECH IRRIT. INHAL: FORMALDEHYDE IS HIGHLY IRRIT TO EYES &
UPPER RESP TRACT. (CHRONIC) FORM ALDEHYDE RELEASED IN SM QTY DURING
MELTPROCESSING IS CLASSIFIED AS AN ANIMAL CARCINOGEN.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:INDIVIDUALS WITH PREEXISTING
DISEASES OF THE LUNGS MAY HAVE INCREASED SUSCEPTIBILITY TO THE
TOXICITY OF EXCESSIVE EXPOSURE OF FORMALDEHYDE.

First Aid:IF EXPOSED TO FUMES FROM OVERHEATING OR COMBUSTION, MOVE TO
FRESH AIR. CONSULT A PHYSICIAN IF SYMPTOMS PERSIST. FLUSH EYES WITH
PLENTY OF WATER FOR AT LEAST 15 MIN. CONSULT A PHYSICIAN IF
SYMPTOMS PER SIST. IF MOLTEN POLYMER CONTACTS SKIN, COOL RAPIDLY
WITH COLD WATER. DO NOT ATTEMPT TO PEEL POLYMER FROM SKIN. OBTAIN
MEDICAL 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.
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 CNTNRS CLSD TO PVNT
CONTAM. OPEN CNTNRS ONLY IN WELL VENT AREA. READ "SAFETY PREC TO
OBSERVE WHEN HANDLING MOLTEN (SEE OTHER PREC)
Other Precautions:HNDLG/STOR PREC: DELRIN ACETAL RESIN" E-49703 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 VENTILATION DOES NOT KEEP
FORMALDEHYDE CONCENTRATION 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.

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:342F,172C
Spec Gravity:1.42
Solubility in Water:INSOLUBLE
Appearance and Odor:GRANULES OR POWDER WITH SLIGHT FORMALDEHYDE ODOR.

STRONG ACIDS AND BASES (DECOMPOSES FORMING FORMALDEHYDE). STRONG
OXIDIZING AGENTS.
Stability Condition to Avoid:HEATING ABOVE 230C - FORMS FORMALDEHYDE.
Hazardous Decomposition Products:CO & FORMALDEHYDE. FORMALDEHYDE IS
CLASSIFIED AS AN ANIMAL CARCIN & HAS OSHA PEL OF 1 PPM & A STEL OF
2 PPM (15 MIN).

Waste Disposal Methods:INCINERATION OR LANDFILL IN COMPLIANCE WITH
FEDERAL, STATE AND LOCAL REGULATIONS.

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.