De Neef® Flex SLV PURe
Flex SLV PURe is an ultra low viscosity hydrophobic polyurethane designed to be injected into hairline cracks in concrete structures. Flex SLV PURe grout expands on contact with water and quickly cures to a tough, flexible foam that is resistant to most organic solvents, mild acids, alkali, petroleum and micro-organisms.
- Sealing fine and hairline leaking cracks in concrete 0.02” and finer
- Injecting grout tubes (INJECTO® )
- Super Low Viscosity for hairline cracks
- Free Foam Expansion up to 18 times
- Contains no volatile solvents
- Single Component
- Controlled reaction time
- Improved low temperature performance
- Flex Cat PURe liquid to -40°F
Packaging & Handling
Flex SLV PURe:
5 gallon metal pail
50 gallon metal drum
Flex Cat PURe:
25 fl. oz. in 1 qt. metal cans
Flex SLV PURe is sealed under dry nitrogen because it is sensitive to moisture, and should be stored in original containers in a dry area. Storage temperature must be between 40°F and 90°F. Once the packaging has been opened, the useful life of the material is greatly reduced and should be used as soon as possible. Shelf life: 2 years.
|FLEX SLV PURE RESIN|
|Viscosity||200 cps at 77°F||ASTM D2196|
|Density||1.02 g/cm3||ASTM D4659|
|FLEX CAT PURE|
|Viscosity||15 cps at 77°F||ASTM D2196|
|Color||Clear to pale grey|
|FLEX SLV PURE CURED|
|Density confined||1.00 g/cm3||ASTM D3574|
|Density free||about 3 PCF||ASTM D3574|
|Tensile strength||>174 psi||ASTM D3574|
|Elongation %||100||ASTM D3574|
|T||% CAT||END REACTION||FOAM FACTOR|
Flex SLV PURe must be used with Flex Cat PURe.
Low temperatures will significantly affect viscosity. Flex SLV PURe is not designed for void filling and must be used in compression. If site temperatures are extremely low, heat bands or heated water baths may be used on the pails before and during installation to maintain the product’s temperature. Avoid splashing water into open containers, as the material is water activated. Avoid exceeding 90⁰F when warming.
CAUTION: pH NOTICE. Water used to activate PURe Grouts must be in the pH range of 3-10 for optimum foam quality.
Warning: Flex SLV PURe must be used with Flex Cat PURe. Consult the Technical Data Sheets and SDS before using.
Installation Instructions: For detailed installation instructions refer to the DeNeef technical bulletin for your application.
Catalyst: Shake catalyst can 2-3 minutes. Pour the desired amount of Flex SLV PURe into a clean dry pail. Measure the appropriate amount of Flex Cat PURe (refer to the Reaction Times section of this data sheet for the desired set time) and pour it into the pail. Stir until adequately mixed. Exceeding the recommended amount of catalyst may adversely affect the reaction and quality of the cured foam.
Injection: During injection the grout will follow the path of least resistance. When the material has stopped penetrating it will continue to expand against the limits of the confined space and compress within itself,forming a dense, closed cell foam.
Extreme conditions: For application procedures in extreme temperatures and specific environments or equipment recommendations call the DeNeef Technical Service Department.
Cleaning: Clean all tools and equipment which have been in contact with the resin with DeNeef Washing Agent before resin has cured. Products should be disposed of according to local, state, and federal laws.
Health and Safety
Always use protective clothing, gloves and goggles consistent with OSHA regulations. Avoid eye and skin contact. Do not ingest. Refer to SDS. For emergencies, call CHEMTREC 1-800-424-9300.
gcpat.com.br | North America customer service: 1-877-4AD-MIX (1-877-423-6491)
We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate, and is offered for consideration, investigation and verification by the user, but we do not warrant the results to be obtained. Please read all statements, recommendations, and suggestions in conjunction with our conditions of sale, which apply to all goods supplied by us. No statement, recommendation, or suggestion is intended for any use that would infringe any patent, copyright, or other third party right.
Tri-Flex® 15 is a trademark, which may be registered in the United States and/or other countries, of GCP Applied Technologies Inc. This trademark list has been compiled using available published information as of the publication date and may not accurately reflect current trademark ownership or status.
© Copyright 2018 GCP Applied Technologies Inc. All rights reserved.
GCP Applied Technologies Inc., 62 Whittemore Avenue, Cambridge, MA 02140 USA.
In Canada, GCP Canada, Inc., 294 Clements Road, West, Ajax, Ontario, Canada L1S 3C6.
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Last Updated: 2021-02-05