MATERIAL SAFETY DATA SHEET

DIMETHYL SILICONE ELASTOMER

EFFECTIVE DATE: 04/22/1992

I. PRODUCT IDENTIFICATION

A. Manufactured by:

APPLIED SILICONE CORPORATION

270 Quail Court

Santa Paula, CA 93060

(805) 525-5657

(805) 933-1675 FAX

For chemical emergencies please call: CHEMTREC -- United States: (800) 424-9300. 

International collect calls: 703-527-3887

B. Trade Name: Dimethyl Silicone Elastomer

C. Chemical Name and Synonyms: Dimethyl polysiloxane

D. Chemical Formula: N/A (polymeric)

E. Chemical Family: Organopolysiloxane

F. DOT (CFR 49) Hazard Classification: Non-hazardous per CFR 49

II. PRODUCT COMPOSITION

Silicone gum base, 100%

III. PHYSICAL PROPERTIES

A. Boiling Point: >150^oC

B. Specific Gravity: (water = 1): 1.10

C. Vapor Pressure: at 20°C > 1 mm Hg - essentially non-volatile

D. Vapor Density: (Air = 1): N/A - essentially non-volatile

E.  Water Solubility: nil

F. Evaporation Rate: (Butyl Acetate = 1): <0.5

G.  Appearance and Odor: Clear, translucent, odorless gum

IV. FIRE AND EXPLOSION INFORMATION

A. Flash Point (TCC):  Not determined.  Material is non-flammable, non-combustible .

B. Flammable Limits in Air, % Volume:  Not applicable - non-flammable, non-volatile

C. Extinguishing Media:  Use water fog, dry chemical, foam, or CO₂.  

D. Special Fire Fighting Procedures:  Fire fighters should wear self-contained breathing apparatus and full protective clothing.  Use water spray to cool nearby containers.  

V. HEALTH HAZARD AND PROTECTION DATA

A. Personal Protection Recommended:  Wear protective goggles to prevent eye contact. Under recommended conditions of use, no other protection should be required.

B. Signs and Symptoms of Exposure:  The primary route of exposure is eye contact.  Direct eye contact can cause a transitory irritation, but it is not injurious.  This irritation may persist for up to 24 hours.  Experience with this material has not indicated any serious effects related to exposure by any route. 

C. First Aid for Exposure:

1. Eye contact:  Flush with water.  Get medical attention if irritation persists.

2. Skin contact:  Wash thoroughly with soap and water.

3. Ingestion:  Get medical attention

D. Occupational Exposure Limits:  Because of the low health hazard, no exposure limits have been established.

E. Toxicity:  Because of the low toxicity, specific toxicity data is unavailable.

F. Medical Conditions Generally Aggravated by Exposure:  Pre-existing eye disorders.

VI. SPILL AND LEAK PROCEDURES

Evacuate the hazard area of unprotected personnel.

Use personal protection to prevent personal exposure.

As required isolate spilled material to prevent spread.  With proper protection of personnel and taking precautionary measures transfer spilled material to appropriate containers. 

Consult and comply with Federal, State, and Local regulations concerning any release of hazardous materials into the water, water piping systems, ground, or air.  Consult and comply with Federal, State, and Local regulations concerning removal of waste.

VII. REACTIVITY DATA

A. Stability: This material is chemically stable.  Hazardous polymerization will not occur.

B. Materials to Avoid: None.

C. Hazardous Decomposition Products: Burning may liberate carbon monoxide, carbon dioxide, oxides of silicone. 

VIII. OTHER PRECAUTIONS

Store in a cool, dry place. 

IX. DISCLAIMER

All information appearing herein is based upon data considered to be accurate.  However, no warranty is expressed or implied regarding the accuracy of these data or the results to be obtained from the use thereof.