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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🛠️ Master your craft with TotalBoat’s precision epoxy kit—because every detail counts!

ALL IN ONE KIT - Includes resin, hardener, and calibrated pumps—no guesswork, no extra tools needed
GENEROUS GALLON SIZE - Ample volume for large repairs or fiberglass projects without constant refills
CUSTOMIZABLE CURE TIME - Choose fast (12 min) or slow (20 min) hardener to match your project pace
MARINE GRADE DURABILITY - Formulated by boaters for boaters, compatible with top marine epoxy systems
PRECISION 5 1 MIX RATIO - Ensures perfect resin-to-hardener balance every time for flawless results

TotalBoat 5:1 Epoxy Kit (Gallon, Slow Hardener) is a professional-grade marine epoxy system featuring a precise 5:1 resin-to-hardener ratio, customizable cure times with fast or slow hardeners, and calibrated mixing pumps. Designed for boaters and compatible with popular marine epoxies, this all-in-one kit delivers durable, clear finishes ideal for repairs and fiberglass projects.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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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.

S/.2746

Duties & taxes incl.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Product Dimensions	25.4 x 20.32 x 38.1 cm; 6.08 kg
Item model number	TB-521KITSB-K
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Epoxy Resin
Color	Clear
ASIN	B00HR8515C

TotalBoat 5:1 Epoxy Kit (Gallon, Slow Hardener)

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