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SINK-NOT® 350 is a unique blend of polymeric MDI and blended polyol which combines in a 1/1 volume ratio to create a closed-cell foam that is highly resistant to penetration and saturation.
SINK-NOT® 350 is a unique blend of polymeric MDI and blended polyol which combines in a 1/1 volume ratio to create a closed-cell foam which is highly resistant to penetration and saturation by all hydrocarbons such as crude oil, jet fuel, gasoline, and diesel fuel. The formulation is solvent-free to ensure safety and maximum technical performance. SINK-NOT 350 is also resistant to saturation by salt or freshwater. SINK-NOT 350 provides permanent flotation insurance for the pontoons of floating roof tanks. In addition to providing flotation SINK-NOT 350 also contains a powerful flame retardant and functions as an anticorrosive to retard pontoon deterioration. SINK-NOT 350 can also be installed in the voids of double wall tanks and vessels for LNG storage and transportation. SINK-NOT 350 ships by Air, Ocean or Ground “Non-Regulated” – “NonHazmat”

FLOTATION FOAM:
Seal and repair floating roof pontoons in hydrocarbon storage tanks.

INSULATION FOAM:
Double-wall tanks and vessels for LNG storage and transportation.

OIL RESISTANT FOAM:
Meets or exceeds requirements of ASTM D-471; MIL-P-21929B

FIRE RESISTANT FOAM:
Meets or exceeds requirements of ASTM D-1692; MIL-P-21929B

EHICLE TYPE : Blended polyol/polymeric MDI

PIGMENTATION : None

COLORS : Standard amber

FINISH : NA

THINNER : Not normally required

CLEANER : Acetone, MEK, DOP or TFT BIO-SOLV

MIXING RATIO : 1.0/1.0 v/v

INDUCTION TIME : Not required

REACTION TIME – CREAM TIME :18 – 22 seconds / 77F

” ” GEL TIME : 80 – 90 seconds/77’F

SOLIDS BY VOLUME : >2,500%, (25-28X volume increase upon foaming)

FOAM GENERATION : Approx. 420 cu.ft. per two drum resin set

CLOSED CELL CONTENT : >90%

K FACTOR : 0.147 BTU-in./Hr./Ft2

APPLICATION METHOD : Deliver through plural pump with static mixer

STORAGE CONDITIONS : Normal, 40°F – 95°F in covered storage.

SHELF LIFE : 6 months after shipping under-protected storage conditions.

APPLICATION METHOD: Sink-Not #350 is engineered to be installed by pumping through hoses into the spaces being treated. Equal volumes of base and curing agent are metered from bulk containers such as 55 gallon drums then pumped through separate delivery hoses to an in-line static mixing device. The mixed resins are then fed through a single hose to a discharge nozzle for placement in the void spaces being filled. The mixed resin can be hosed in a stream as far as 10 – 12 feet. As the foam expands during cell creation and expansion it forces into leaks and small holes to form a perfect seal. Small residues of hydrocarbons are incorporated into the foam allowing intimate contact with steel surfaces. The cured resin is an almost perfect “closed cell” system which is highly resistant to saturation by liquids it contacts. The cured resin has been designed to be resistant to attack by all liquid hydrocarbons such as crude oil, gasoline and xylene. The minimum ambient application temperature is 25°F/-4°C. The SINK-NOT 350 components may be heated prior to spraying to reduce their viscosity. Drum temperatures should not exceed 110°F/43°C to avoid excessive internal pressures. Installation equipment exposed to mixed components is simply cleaned with MEK, Acetone or BIO-SOLV solvents. At the conclusion of each project all material lines are flushed with solvent.

CH-064 CASE HISTORY REPAIRS LEAKING PONTOONS ON DIESEL FUEL STORAGE TANK

CH-068 CASE HISTORY PROTECTS FLOATING ROOF PONTOONS IN CRUDE OIL STORAGE / TRANSFER FACILITY

DOWNLOAD SINK-NOT 350 PRODUCT DATA SHEET

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