what is the storage shelf life?

As long as it is in a cool dry place it should last about 6 months.

Is the blowing agent water or other? Do you have a K value for the foam?

There is no blowing agent. Water will cause the foam to not rise.

what is the proper storage temperature? pre mix.

Stored in unopened, containers at temperatures between 10 - 32°C (50 - 90°F).

Can you spray these chemicals? step 1 in one bottle, step 2 in the second bottle..

They do have special guns to be able to spray but if you tried to mix the two together and then try to spray you would have problems as this expands too fast.

Deliver to Tunisia

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2 Lb Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boat and Dock Flotation, Soundproofing, Filling Voids, and Insulation (Quart Kit)

2 Lb Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boat and Dock Flotation, Soundproofing, Filling Voids, and Insulation (Quart Kit)

Product ID: 426081502

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Details

Brand
Fiberglass
Specific uses for product
Flooring Wall
Material
Foam Resin
Compatible material
Foam
Item form
Liquid

💧95-98% closed cell water resistance

🕒5 min full expansion time

⚖️2 lb density for optimal buoyancy

Description

🚤 Float, Fill, and Fortify — Foam That Works as Hard as You Do!

RAPID 5 MINUTE EXPANSION - Quick curing to get your project moving faster
WATER RESISTANT CLOSED CELLS - 95-98% closed cell structure prevents water absorption and decay
CERTIFIED MARINE GRADE QUALITY - Tested to U.S. Coast Guard standards for trusted durability
PRECISION MIXED 2 PART FORMULA - Equal parts Part A & B for flawless expansion every time
SUPERIOR BUOYANCY INSULATION - Lightweight foam supporting 100-120 lbs/qt for unmatched flotation

This 2 lb density, 2-part polyurethane expanding foam kit delivers 1.25 cubic feet of high-performance closed-cell foam designed for flotation, soundproofing, insulation, and void filling. With a rapid 5-minute cure time and marine-grade water resistance, it’s perfect for boat docks, decks, and nonstructural applications requiring lightweight buoyancy and durability.

Specifications

Color	Clear
Material type	Foam,Resin
Number of items	2
Features	Water Resistant
Usage	Flooring, Repair, Wall Repair
Batteries included?	No
Brand	Fiberglass Supply Depot
Manufacturer	Fiberglass Supply Depot Inc.
Item model number	poly2lbqk
Package Dimensions	20.7 x 13.69 x 9.5 cm; 907.18 g
ASIN	B08R7TX8QJ

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