MATERIAL SAFETY DATA SHEET

THE CORTEC CORPORATION

4119 WHITE BEAR PARKWAY

ST. PAUL, MINNESOTA 55110

PHONE: 651-429-1100 OR TOLL FREE 1-800-4-CORTEC

FAX: 651-429-1122

EMERGENCY PHONE NO.: CHEMTREC (FOR SPILL, LEAK, FIRE, EXPOSURE OR ACCIDENT): 1-800-424-9300 (DAY OR NIGHT)

* * * * * * * * * * * * * * * * * M-138* * * * * * * * * * * * * * * * * * * * *

SECTION I - PRODUCT IDENTIFICATION

PRODUCT NAME: M-138

PRODUCT DESCRIPTION: Powder form additive for polymeric resin

SECTION II - HAZARDOUS INGREDIENTS

INGREDIENT NAME(S)	WEIGHT (%)	OCCUPATIONAL EXPOSURE LIMITS
		TLV OR PEL	ORAL LD-50
Trade Secret	<25	N.E.	85 mg/kg (rat)
Organic salt	<6	N.E.	560 mg/kg (rat)
Inorganic salt	40-70	5 mg/m³ (as nuisance dust)	2810 mg/kg (rat)

Carcinogenic: OSHA = no NTP = no IARC = no

SECTION III - PHYSICAL DATA

COLOR: White to off-white PHYSICAL FORM: Powder

pH: N.E. NON-VOLATILE (weight): 99.5-100%

ODOR: Slight BOILING RANGE: N.E.

VAPOR DENSITY: N.E. MELTING RANGE: N.E.

VAPOR PRESSURE: N.E. EVAPORATION RATE: N.A.

DENSITY: N.A.

SECTION IV - FIRE AND EXPLOSION DATA

HMIS FLAMMABILITY RATING: 0

FLASH POINT: N.E.

FLAMMABLE LIMITS: LEL: N.E. UEL: N.E.

EXTINGUISHING MEDIA: Water, carbon dioxide or other dry chemical fire fighting agents. UNUSUAL FIRE AND EXPLOSION HAZARDS: None SPECIAL FIRE FIGHTING PROCEDURES: Firefighters should wear self-contained breathing apparatus.

SECTION V - HEALTH HAZARD DATA

EMERGENCY AND FIRST AID PROCEDURES:

Eye Contact: Flush eyes with water for at least 15 minutes. Consult a physician. Skin Contact: Wash affected area with soap and water. If irritation persists, consult a physician. Inhalation: Remove to an uncontaminated area, administer oxygen if necessary. If victim has stopped breathing begin CPR. Get medical attention. Ingestion: If swallowed, give water or milk and induce vomiting. Get immediate medical attention.

MEDICAL CONDITIONS PRONE TO AGGRAVATION BY

EXPOSURE: None known

PRIMARY ROUTES OF ENTRY: Skin contact

HEALTH HAZARDS (acute and chronic) / EFFECTS OF OVEREXPOSURE:

1. Eye contact may cause mild irritation.

2. Repeated or prolonged contact with skin may produce mild irritation.

3. Inhalation of product vapors is not considered a significant hazard due to the low vapor pressure of the product.

4. Ingestion of large quantities of this product may be harmful.

SECTION VI - REACTIVITY DATA

STABILITY: Stable

HAZARDOUS POLYMERIZATION: Will not occur.

HAZARDOUS DECOMPOSITION PRODUCTS (under fire conditions): Oxides of carbon and nitrogen.

INCOMPATIBILITY: Strong acids, alkalis and oxidizing agents. CONDITIONS TO AVOID: Avoid contact with incompatible materials.

SECTION VII - SPILL OR LEAK PROCEDURES

STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED: Sweep up spilled material for use or disposal.

WASTE DISPOSAL: Dispose of in accordance with existing Federal, State and Local environmental regulations.

SECTION VIII - SAFE HANDLING AND USE INFORMATION

RESPIRATORY PROTECTION: A NIOSH approved dust/mist respirator is recommended.

PROTECTIVE GLOVES: Chemical resistant rubber or plastic.

EYE PROTECTION: Safety goggles

OTHER PROTECTIVE EQUIPMENT: None.

SECTION IX - SPECIAL PRECAUTIONS AND STORAGE PRECAUTIONS TO BE TAKEN IN HANDLING: Avoid inhalation of dusts. Avoid eye contact and prolonged skin contact. Workers should wash hands thoroughly with soap and water prior to eating, drinking, smoking or using lavatory.

PRECAUTIONS TO TAKEN IN STORING: Keep containers tightly closed. Store in a cool dry place. Keep powder away from sources of flame.

SECTION X — SHIPPING DATA

DOT/IMDG/IATA SHIPPING NAME: N.A.

UN/NA NUMBER: N.A.

DOT/IMDG/IATA HAZARD CLASS.: N.A.

T.S.C.A. STATUS: Listed

DOT/IMDG/IATA REQUIRED LABELS: N.A.

TECHNICAL SHIPPING NAME: N.A.

PREPARED BY: Julie Noreen, Packaging Develop. Engineer

APPROVED BY: Margarita Kharshan, Lab. Director

DATE PREPARED: 2/8/02 SUPERSEDES: 1/17/00

DISCLAIMER: This information is furnished without warranty, expressed or implied, except that it is accurate to the best knowledge of the Cortec Corporation. The data on this sheet relates only to the specific material designated herein. The Cortec Corporation assumes no legal responsibility for use or reliance upon this data.

N.E. = NOT ESTABLISHED N.A. = NOT APPLICABLE