MATERIAL SAFETY DATA                               SHEET

                                                                                            Page 1 of 4



                                                    SIKALASTOMER 66





1. Product And Company Identification

Supplier                                          Manufacturer

SIKA CORPORATION                                  None Given

201 Polito Ave

Lyndhurst, NJ 07071

Company Contact: Kristin Kelley

Telephone Number: (201) 933-8800

FAX Number: (201) 933-9379

Web Site: www.sikausa.com



Supplier Emergency Contacts & Phone Number        Manufacturer Emergency Contacts & Phone Number

CHEMTREC: 800-424-9300                            None Given

INTERNATIONAL: 703-527-3887





Issue Date: 02/09/1996

Product Name: SIKALASTOMER 66

CAS Number: Not Established

Chemical Family: BUTYL MASTIC SEALER

MSDS Number: 1173



2. Composition/Information On Ingredients



                                   Ingredient                            CAS           Percent Of

                                     Name                               Number         Total Weight

CALCIUM CARBONATE                                                       1317-65-3

CARBON BLACK                                                            1333-86-4

TALC                                                                   14807-96-6



3. Hazards Identification

Eye Hazards

   MAY CAUSE MECHANICAL IRRITATION.

Skin Hazards

   MAY CAUSE SLIGHT SKIN IRRITATION.

Ingestion Hazards

   INGESTION MAY CAUSE SLIGHT DISCOMFORT.

Inhalation Hazards

   NO INHALATION EFFECTS KNOWN OR REPORTED.



4. First Aid Measures

Eye

   RINSE EYES THOROUGHLY WITH WATER FOR AT LEAST 15 MINUTES. CONSULT PHYSICIAN.

Skin

   WASH SKIN WITH SOAP AND WATER. IF SYMPTOMS PERSIST, CONSULT PHYSICIAN.

Ingestion

   IF INGESTED, DO NOT INDUCE VOMITING. IF DISCOMFORT PERSISTS, CALL A PHYSICIAN.

Inhalation

   REMOVE TO FRESH AIR. IF BREATHING HAS STOPPED, INSTITUTE ARTIFICIAL RESPIRATION. CONSULT

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                                           SIKALASTOMER 66



4. First Aid Measures - Continued



Inhalation - Continued

   WITH PHYSICIAN.



5. Fire Fighting Measures

Flash Point: 470 °F 243 °C

Flash Point Method: TOC

Fire And Explosion Hazards

   NONE KNOWN

Extinguishing Media

   DRY CHEMICAL, WATER FOG, FOAM OR CARBON DIOXIDE, AS FOR SURROUNDING FIRES.

Fire Fighting Instructions

   WEAR NIOSH/MSHA APPROVED SELF-CONTAINED BREATHING APPARATUS AND FULL PROTECTIVE

   GEAR, AS FOR SURROUNDING FIRES.



6. Accidental Release Measures

SCRAPE UP AND PUT INTO SUITABLE CONTAINERS.



7. Handling And Storage

Handling And Storage Precautions

  STORE IN COOL DRY PLACE. KEEP OUT OF REACH OF CHILDREN.



8. Exposure Controls/Personal Protection

Eye/Face Protection

  SAFETY GLASSES/CHEMICAL GOGGLES

Skin Protection

   WEAR GLOVES TO AVOID SKIN CONTACT.

Other/General Protection

  WASH THOROUGHLY AFTER HANDLING.

Ingredient(s) - Exposure Limits

   CALCIUM CARBONATE

     ACGIH TLV: 10 mg/m3

     OSHA PEL: 5 mg/m3

     NTP: NO

     IARC: NO

   CARBON BLACK

     ACGIH TLV: 3.5 mg/m3

     ACGIH PEL: 3.5 mg/m3

     NTP: NO

     IARC: NO

   TALC

     ACGIH TLV: 2 mg/m3

     OSHA PEL: 20 mppcf

     NTP: NO

     IARC: NO



9. Physical And Chemical Properties

Appearance

  BLACK OR LIGHT GRAY TACKY SOLID

MATERIAL SAFETY DATA                                                 SHEET                                         Page 3 of 4



                                              SIKALASTOMER 66



9. Physical And Chemical Properties - Continued



Odor

  NO ODOR

Chemical Type: Pure

Melting Point: N/AV °F

Specific Gravity: 1.51

Molecular Weight: 0.00

Percent VOCs: 0.00

Vapor Pressure: N/AV

Vapor Density: N/AV

Solubility: INSOLUBLE



10. Stability And Reactivity

Sta bility: STABLE

Hazardous Polymerization: WILL NOT OCCUR

Conditions To Avoid (Stability)

  NONE KNOWN

Incompatible Materials

   STRONG OXIDIZERS

Hazardous Decomposition Products

  CARBON MONOXIDE, CARBON DIOXIDE AND HYDROCARBONS MAY BE

  LIBERATED UPON COMBUSTION.



11. Toxicological Information

Conditions Aggravated By Exposure

  NONE KNOWN



12. Ecological Information

No Data Available...



13. Disposal Considerations

DISPOSE IN ACCORDANCE WITH FEDERAL, STATE & LOCAL ENVIRONMENTAL REGULATIONS.



14. Transport Information

Proper Shipping Name

   NOT D.O.T. REGULATED



15. Regulatory Information

No Data Available...



16. Other Information

HMIS Rating

He a lth: 0

Fire : 1

Re a ctivity: 0

PPE: B



Disclaimer

   The data in this Material Safety Data Sheet relates only to the specific material herein and does not relate to use in

   combination with any other materialor in any process. The information set forth herein is based on technical da ta

   that Sika believes to be reliable as of the date hereof. Since conditions of use are outside our control, we make no

MATERIAL SAFETY DATA                                                   SHEET                                         Page 4 of 4



                                                 SIKALASTOMER 66



 Disclaimer - Continued



      warranties, express or implied andassume no liability in connection with any use of this information. Nothing herein

      is to be taken as a license to operate under or a recommendation to i nfringe on any patents.

      SIKA CORPORATION

Printed Using MSDS Generatorâ„? 2000