Is this polyester resin

No it is not polyester resin. It is epoxy with a 5 to 1 ratio, and cures extremely hard. Polyester should not be used on a repair below the water line. Epoxy will not allow water to absorb into the repaired area.

can I use this to fix lamination on my RV side walls

Worked great for me rebuilding the wall sandwich (fiberglass, thin ply, foam board,,,) after water delamination.

Can you do inside of bathtub with this?

Good Afternoon, this product cures to a high strength, water resistant finish, so using within a bathtub should be fine. Thank you.

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5:1 Marine Epoxy Resin Kit for Bonding, Filleting, Coating, and Laminating - Use for Fiberglass, Wood, Carbon Fiber, Boat Building, Repairs, Woodworking (Quart, Slow Hardener, Pumps)

Product ID: 7048187

Details

Brand
TotalBoat
Item Form
Liquid
Material
Epoxy Resin
Specific Uses For Product
Repair

⏳20 min pot life (slow hardener)

⚓7500 PSI tensile strength

🧪5:1 precise resin-to-hardener ratio

155406CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚓ Build stronger, last longer—epoxy that works as hard as you do!

ALL IN ONE KIT - Complete with resin, hardener, and mixing supplies—ready to tackle boat building, repairs, woodworking, and composite fabrication.
EXTENDED WORKING TIME - Choose slow hardener for a 20-minute pot life, giving you ample time to perfect your project without rush.
VERSATILE APPLICATION - Ideal viscosity and self-leveling formula for flawless fiberglass wet-out, laminating, coating, and filleting.
PRECISION MIXING PUMPS - Color-coded pumps guarantee perfect 5:1 resin-to-hardener ratio every time—no guesswork, no waste.
UNMATCHED MARINE STRENGTH - Engineered for 7500 PSI tensile strength, ensuring rock-solid bonds in the harshest marine environments.

TotalBoat 5:1 Marine Epoxy Resin Kit delivers professional-grade bonding, coating, and laminating with 7500 PSI tensile strength. Its marine-grade formula resists moisture, salt, and chemicals, curing to a durable, sandable finish. Featuring precise color-coded pumps for an exact 5:1 mix ratio and options for slow or fast hardeners, this kit is perfect for boat building, repairs, woodworking, and composite projects. Waterproof and versatile, it’s the trusted choice for millennial pros who demand reliability and performance.

Specifications

ASIN	B00HR8517A
Best Sellers Rank	#5,161 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Boat Painting Supplies
Brand Name	TotalBoat
Color	Clear (cures to amber)
Compatible Material	Concrete, Fiberglass, Glass, Masonry, Metal, Stone, Wood
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (1,775)
Full Cure Time	7 Days
Global Trade Identification Number	00811932021014
Included Components	Resin, Hardener
Item Form	Liquid
Item Package Quantity	1
Item Weight	6 Pounds
Manufacturer	TotalBoat
Material Type	Epoxy Resin
Model	365646
Other Special Features of the Product	Self-leveling properties, ideal viscosity for fiberglass cloth, compatibility with various reinforcement fabrics, bare metals, and lead, includes precise mixing pumps, available in different kit sizes
Part Number	365248
Specific Uses For Product	Repair, Fiberglass projects
Tensile Strength	7500 Pounds Per Square Inch
UPC	811932021014
Unit Count	36.0 Fluid Ounces
Viscosity Level	Medium to High
Volume	946.35 Milliliters
Water Resistance Level	Waterproof

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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155406CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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