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MDI-based, semirigid expansive material that reacts rapidly to fill large voids and annular spaces in high water flows. Cures to a rigid closed cell foam. Nonflammable. Withstands wet/dry cycles.
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Appearance:
Viscosity:
Specific Gravity:
% Solids:
Odor:
Flash Point:
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Pale yellow liquid
650 cps
1.114
100
Pungent aroma
>270°F (132°C) |
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Elongation:
Tensile Strength:
Shear Strength:
Water Absorption:
Shrinkage: |
250%
29.30 psi
17.10 psi
<1% (change in weight)
<4% |
ASTM D-3574
ASTM D-3574
ASTM C-2733
ASTM D-2127
ASTM D-2126 |
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AV-248 is Hydrophobic and does not require the addition of water. Mix one container (25 oz.) AV-249 Flexseal AC. One 25 oz. bottle of AV-249 is supplied with each 5 gallon pail of AV-248.
Slowly pour the container of AV-249 Flexseal AC catalyst into the 5-gallon pail of AV-248 Flexseal while slowly stirring for 3 to 5 minutes. The ideal temperature for mixing catalyst is between 65°F and 85°F. Do not allow moisture to penetrate the mixing pail. For faster set times add more AV-249 Flexseal AC.
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Store AV-248 Flexseal and AV-249 Flexseal AC between 60°-85°F (16°-30°C). This product is packaged under dry nitrogen to extend shelf life.
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(Requires Acrobat Reader ) |
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Product should be used only in well ventilated areas in order to keep the vapor concentration low. Eye contact and repeated skin contact should be avoided. Normal protective clothing such as gloves and goggles are recommended. A self-contained breathing apparatus should be worn in confined spaces where there is little ventilation and vapors are likely to be high.
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Eyes: Immediately flush eyes with water for 15 minutes. Get immediate medical attention.
Skin: Wash affected area with soap and water. Remove contaminated clothing.
Inhalation: Remove to fresh air. If breathing is difficult, get medical attention.
Ingestion: Drink 2 glasses of water. Call a physician
Note: Never give anything by mouth to an unconscious or convulsing person. |
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The data, information and statements contained herein are believed to be reliable, but are not construed as a warranty or representation for which Avanti International assumes any legal responsibility. Since field conditions vary widely, users must undertake sufficient verification and testing to determine the suitability of any product or process mentioned in this or any other written material from Avanti for their own particular use. NO WARRANTY OF SUITABILITY OR FITNESS FOR A PARTICULAR PURPOSE IS MADE. In no case shall Avanti International be liable for consequential, special, or indirect damages resulting from the use or handling of this product.
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