Gorilla Coatings Low Modulus Fast Set Gel
821 is a two component 100% solids epoxy gel designed for shallow repair on either vertical or horizontal surfaces. This product is easy to mix and use and has the consistency of vasoline petroleum jelly. Additionally, the product, because it is a 100% solids product, can be applied thicker on horizontal surfaces when required.
RECOMMENDED FOR: Recommended for repairing cracks and defects in concrete or masonry. The fast set time makes this product an ideal quick repair gel.
SOLIDS BY WEIGHT: 100%
SOLIDS BY VOLUME: 100%
VOLATILE ORGANIC CONTENT: Zero pound per gallon
STANDARD COLORS: Amber clear – Semi transparent
RECOMMENDED FILM THICKNESS: 1/8” cracks or thin build repairs
COVERAGE PER GALLON: 0.13 cubic feet or 1,228 lineal feet @ 1/8”x 1/8”
2 gallon kit (17.0 pounds net approximately)
10 gallon kits (85.0 pounds net approximately)
MIX RATIO: 1 gallon part A (9.0 pounds) to 1 gallon part B (8.0 pounds) (volumes and weights approximate)
SHELF LIFE: 1 year in unopened container
ABRASION RESISTANCE: Taber abraser CS-17 calibrase wheel with 1000 gram total load and 500 cycles = 52 mg loss
HEAT DEFLECTION TEMP.: 47 degrees C (116.5 degrees F)
FLEXURAL STRENGTH: 8,590 psi @ ASTM D790
COMPRESSIVE STRENGTH: 6,110 psi @ ASTM D695- 1/2” x 1/2” bars
TENSILE STRENGTH: 4,980 psi @ ASTM D638
ULTIMATE ELONGATION: 14.1%
GARDNER VARIABLE IMPACTOR: 50 inch pounds direct – passed
ADHESION: 360 psi @ elcometer (concrete failure, no delamination)
HARDNESS: Shore D= 35
VISCOSITY: Mixed= 3,000,000 cps (typical)
DOT CLASSIFICATION: Part A “not regulated” Part B “CORROSIVE LIQUID N.O.S., 8, UN1760, PGIII
PRIMER: None necessary
TOPCOAT: Optional: This product can be overcoated with many suitable epoxy and urethane products.
For Safety Data Sheet, Please Download SDS
For Technical Data Sheet, Please Download TDS
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)...
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.