M A T E R I A L S A F E T Y D A T A S H E E T

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SikaSwell S-2

HMIS

HEALTH 2

FLAMMABILITY 1

REACTIVITY 0

PERSONAL PROTECTION C

1. Product And Company IdentificationSupplier ManufacturerSika Corporation Sika Schweiz AG201 Polito Ave Tuffenwies 16Lyndhurst, NJ 07071 Zurich, Schweiz CH-8048 Switzerland

Company Contact: EHS DepartmentTelephone Number: 201-933-8800 Telephone Number: +411 436 40 40FAX Number: 201-933-9379 FAX Number: +411 436 4584Web Site: www.sikausa.com

Supplier Emergency Contacts & Phone Number Manufacturer Emergency Contacts & Phone NumberCHEMTREC: 800-424-9300 CHEMTREC: 1-800-424-9300INTERNATIONAL: 703-527-3887 International: 1-703-527-3887

Issue Date: 05/03/2004

Product Name: SikaSwell S-2CAS Number: Not EstablishedChemical Family: PolyurethaneMSDS Number: 3173Product Code: 041252R

2. Composition/Information On Ingredients

Ingredient CAS Percent OfName Number Total Weight

ALIPHATIC POLYISOCYANATE 28182-81-2 2.5 - 10

GAMMA-BUTYROLACTONE 96-48-0

TRADE SECRET AMINE TradeSecret

3. Hazards IdentificationEye Hazards

Causes eye irritation.

Skin HazardsCause skin irritation. Prolonged and/or repeated skin contact may cause an allergic reaction/sensitization.

Ingestion HazardsMay be harmful if swallowed.

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SikaSwell S-2

3. Hazards Identification - Continued

Inhalation HazardsMay cause respiratory tract irritation.

4. First Aid MeasuresEye

In case of contact, hold eyelids apart and immediately flush eyes with plenty of tepid water for at least 15 minutes.Get medical attention immediately if irritation develops and persists.

SkinIn case of contact, immediately flush skin with soap and plenty of tepid water for at least 15 minutes. Get medicalattention immediately if irritation (redness, rash, blistering) develops and persists.

IngestionIf swallowed, do not induce vomiting unless directed to do so by medical personnel. If victim is fully conscious,give one or two cups of water or milk to drink. Seek medical attention immediately.

InhalationRemove to fresh air. If not breathing, give artificial respiration. Seek medical attention immediately.

5. Fire Fighting MeasuresFlash Point: >208 °F >98 °CAutoignition Point: N/AV °F

Fire And Explosion HazardsDuring a fire, irritating and/or toxic gases and aerosols from the decomposition/combustion products may bepresent.

Extinguishing MediaIn case of fire, use water spray (fog) foam, dry chemical, or CO2.

Fire Fighting InstructionsIn the event of a fire, firefighters should wear full protective clothing and NIOSH-approved self-containedbreathing apparatus with a full facepiece operated in the pressure demand or other positive pressure mode.

Cool containers with water spray. Fire residues must be disposed of in accordance with local regulations

6. Accidental Release MeasuresAvoid release to the environment. Use appropriate Personal Protective Equipment (PPE). Contain spill and collect withabsorbent material, or scrap up mechanically, and transfer into suitable containers. Do not flush to sewer or allow toenter waterways. Ventilate enclosed area.

7. Handling And StorageHandling And Storage Precautions

Keep out of reach of children. Not for internal consumption.

Storage PrecautionsStore in cool dry area in tightly closed containers. Protect from atmospheric moisture and water. Protect fromfrost. Protect from heat and direct sunlight.

Work/Hygienic PracticesWash thoroughly with soap and water after handling.

8. Exposure Controls/Personal ProtectionNo Data Available...

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SikaSwell S-2

8. Exposure Controls/Personal Protection - Continued

Engineering ControlsUse with adequate general and local exhaust ventilation. Refer to the current edition of "Industrial Ventilation: AManual of Recommended Practice" published by the American Conference of Governmental Industrial Hygienistsfor information on the design, installation, use, and maintenance of exhaust systems.

Eye/Face ProtectionSafety glasses with side shields or goggles.

Skin ProtectionChemical-resistant gloves. Lab coat or other work clothing to prevent skin exposure (Long sleeve shirt and longpants). Launder before reuse.

Respiratory ProtectionA respirator protection program that meets 29 CFR 1910.134 requirement must be followed whenever workplaceconditions warrant a respirator's use.

Other/General ProtectionWash thoroughly after handling.

9. Physical And Chemical PropertiesAppearance

Black Paste

OdorCharacteristic Odor

Chemical Type: MixturePhysical State: SolidMelting Point: N/AV °FBoiling Point: N/AV °FPercent Volatiles: 5%Packing Density: 1.3 - 1.38 g/cm3Vapor Pressure: N/AVVapor Density: N/AVS o l u b i l i t y : Insoluble in water

10. Stability And ReactivityS t a b i l i t y : StableHazardous Polymerization: Will not occur

Conditions To Avoid (Stability)None Known

Hazardous Decomposition ProductsCarbon Dioxide, Carbon Monoxide, and Oxides of Nitrogen

11. Toxicological InformationNo Data Available...

12. Ecological InformationNo Data Available...

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13. Disposal Considerations

Dispose in accordance with applicable federal, state and local government regulations. Waste generators mustdetermine whether a discarded material is classified as a hazardous waste. USEPA guidelines for the classificationdetermination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardouswaste regulations to ensure complete and accurate classification.

14. Transport InformationProper Shipping Name

Not regulated by the USDOT

15. Regulatory InformationU.S. Regulatory Information

All ingredients of this product are listed or are excluded from listing under the U.S. Toxic Substances Control Act(TSCA) Chemical Substance Inventory.

SARA Hazard ClassesAcute Health Hazard

SARA Section 313 NotificationThis product does not contain any ingredients regulated under Section 313 of the Emergency Planning andCommunity Right-To-Know Act of 1986 or 40 CFR 372.

16. Other InformationHMIS RatingH e a l t h : 2F i r e : 1R e a c t i v i t y : 0P P E : C

Revision/Preparer InformationMSDS Preparer: EHS DepartmentMSDS Preparer Phone Number: 201 933 8800This MSDS Supercedes A Previous MSDS Dated: 09/25/2003

DisclaimerThe data in this Material Safety Data Sheet relates only to the specific material herein and does not relate to usein combination with any other material or in any process. The information set forth herein is based on technicaldata that Sika believes to be reliable as of the date hereof. Since conditions of use are outside our control, wemake no warranties, express or implied and assume 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 infringe any patents.

SIKA CORPORATIONPrinted Using MSDS Generator™ 2000