Using this on Remote control car body in order to make it harder stiff and less resistant to bending at speed will this get hard applied to plastic?

Polyesters will not stick to most plastics.

Can you apply rubbing compound after sanding this product?

Yes. To get this super smooth and shiny I would recommend wet sanding starting at around 220 or 320 and work your way up to about 1200. Then start with the rubbing compounds. The other way is to use a product called duratec high gloss additive and spray the gelcoat. Then you won’t have to do as much wet sanding.

Do i need to use a product to make this thicker like paste to fill the holes and cracks?

Yes, you can use cabosil to thicken the gelcoat.

Yes this can be brushed. Keep in mind that when brushing it will leave the brush marks. Sometimes its better to roll it on. If you want a nice smooth surface you will have to wet sand and polish afterwards.

Fiberglass Supply Depot Black Gelcoat With Wax Pint With 15cc

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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VT13861

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Description

🛠️ Seal the deal with strength and style – your boat’s best kept secret!

COVERAGE THAT WORKS - One pint covers up to 12.5 sq ft, making touch-ups and repairs efficient and cost-effective.
PRECISION READY KIT - Includes 15cc hardener, measuring cup, and catalyst chart for perfect mixing and application.
USER FRIENDLY APPLICATION - High-viscosity formula offers excellent coverage and easy patching, even for first-timers.
FLAWLESS FINISH EVERY TIME - Black gelcoat with wax ensures a sleek, durable surface that resists cracking and blisters.
TRUSTED BY PROS ENTHUSIASTS - Top-rated in boat painting supplies with 4.4 stars and glowing reviews for lasting performance.

Fiberglass Supply Depot Black Gelcoat with Wax Pint includes a 15cc MEKP hardener, delivering high strength, excellent water and blister resistance, and a smooth, crack-free finish. Designed for easy application and compatibility with polyester resin pigments, this 1-pint kit covers approximately 12.5 square feet, making it ideal for durable repairs and touch-ups on boats and outdoor gear.

Reviews

D**K

11.06.2025

M**O

12.08.2023

C**S

11.10.2025

J**.

3.02.2026

A**L

18.08.2024

A**R

27.04.2026

D**E

1.10.2025

D**D

16.05.2025

D**B

26.11.2025

G**L

6.06.2025

P**.

26.02.2026

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TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

VT13861

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered 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 Vanuatu.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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ASIN	B0B4352VLX
Best Sellers Rank	#60,373 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #55 in Boat Painting Supplies
Brand Name	Fiberglass Supply Depot
Customer Reviews	4.4 4.4 out of 5 stars (98)
Date First Available	June 14, 2022
Item Package Dimensions L x W x H	6.5 x 4.25 x 4.25 inches
Manufacturer	Fiberglass Supply Depot Inc.
Package Weight	0.73 Kilograms

Fiberglass Supply Depot Black Gelcoat with Wax Pint with 15cc Hardener (MEKP)

Description

Specifications

Reviews

Common Questions