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Marine Tex RM305K Epoxy Putty 2 oz White Marine Repair Compound

Manufacturer

Marine Tex

<h3>About Marine Tex&reg;</h3><p>When a cracked hull, a stripped fastener, or a leaking fuel tank threatens to sideline your boat, <strong>Marine Tex&reg;</strong> has been the repair product professionals and do-it-yourselfers reach for first. Part of the ITW Performance Polymers family of industrial-strength adhesive and polymer brands, Marine Tex has built a decades-long reputation as one of the most reliable structural epoxy repair systems available for marine, industrial, automotive, and home applications.</p><h3>A Legacy of High-Strength Repairs</h3><p>For over 40 years, Marine Tex has been the trusted choice for everything from patching damaged hulls and sealing leaky fuel tanks to reinstalling stripped fasteners and enhancing teak deck finishes. What sets Marine Tex apart is the sheer breadth of materials it can bond: fiberglass, aluminum, wood, ceramics, glass, masonry, PVC, ABS, polyethylene, inflatables, and even dissimilar metals — all without galvanic corrosion. That versatility makes it a go-to solution whether you are on the water, in the garage, or on a job site.</p><h3>The Marine Tex Epoxy System</h3><p>Marine Tex epoxy products are formulated as a two-part system — a resin and a hardener — that mixes to a creamy, no-sag paste. This consistency allows the compound to be applied to both vertical and horizontal surfaces, easily filling gaps and conforming to complex shapes before it cures to a material that can be sanded, drilled, tapped, and finished with most paints and coatings. The repaired area is often stronger than the original substrate.</p><p>Marine Tex is available in two primary formulations:</p><ul><li><strong>Marine Tex Gray</strong> – A stiffer formulation with a compressive strength of up to 13,000 PSI, recommended for machinery repairs and metal applications.</li><li><strong>Marine Tex White</strong> – Ideal for fiberglass and wood applications, and tintable with coloring agents for seamless color-matching on cosmetic repairs.</li></ul><p>Both versions are resistant to water, gasoline, diesel, and a wide range of chemicals including common acids, alkalies, and hydrocarbons. They are particularly well-suited for repairs below the waterline, where long-term waterproofing is critical.</p><h3>Marine and Industrial Versatility</h3><p>While Marine Tex earned its name in the marine world, its applications extend far beyond the dock. Industrial maintenance teams rely on it for emergency repairs to machinery, piping, and equipment. Automotive enthusiasts use it to seal engine blocks and bond dissimilar metals. Home repair professionals keep it on hand for masonry, ceramic, and glass fixes. This cross-industry utility is a direct result of ITW Performance Polymers&apos; commitment to engineering polymer systems that perform under the harshest real-world conditions.</p><h3>Why Choose Marine Tex?</h3><ul><li>Trusted by marine mechanics and boat owners for over four decades</li><li>Bonds to an exceptionally wide range of materials, including dissimilar metals</li><li>Waterproof and resistant to saltwater, UV exposure, fuels, and chemicals</li><li>Convenient kit sizes from 2 oz. to gallon quantities for any job size</li><li>Can be sanded, drilled, tapped, and painted after curing</li><li>Suitable for both emergency field repairs and permanent structural fixes</li></ul><p>Whether you are a seasoned marine mechanic, a weekend boater, or an industrial maintenance professional, Marine Tex delivers the confidence to tackle nearly any repair project — and do it right the first time.</p>

Part Number

RM305K
05/29/2036 7:37 PM
Sale Price

$16.33

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Marine Tex RM305K is a professional-grade epoxy putty that handles like putty, hardens like steel, and sands like wood. This versatile marine repair compound is non-magnetic, non-rusting, and non-corrosive, making it ideal for critical repairs in harsh saltwater environments.

Key Features:

  • Self-hardening plastic metal formula for permanent repairs
  • Repairs damaged hulls, dry rot, cracked engine blocks, and fuel tank leaks
  • Impervious to oil, grease, brine, detergents, and marine chemicals
  • Can be sanded, drilled, sawed, threaded, and painted after curing
  • Provides excellent adhesive and barrier coat for mounting anodes
  • Won't shatter under impact—maintains structural integrity
  • Fast-curing formula for quick, effective repairs

This 2-ounce container of white epoxy putty is perfect for emergency repairs on boats, marine equipment, water tanks, piping, and food containers. The simple two-part formula mixes easily and provides a durable, waterproof seal that withstands the demanding marine environment.

WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Products specifications

Color

White

Size

2 oz. kit

had a few website issues while trying to process my order.

The website was easy to use, the pricing looks good. So far, so good.

So far process has been very easy.

Thanks!

Another order for a toolbox! Great service swheet price!

Excellent prices. Reasonable shipping. Website is a little tweaky but if that keeps prices low who cares!

Very easy to find the parts I needed and great price half the cost of my local parts store

Just received my wheel lock. It is exactly as described and came very quickly. Autoplicity has the cheapest price and great service.

delivery was on time and quick, ordering was simple product looks as it should be,great.

Great

Fun enjoyable easy and quick shipping

Good buy , no problem!

Very fast shipping and order processing!! Extremely competitive pricing; after wading through the internet and finding 'good' pricing (from sketchy vendors) these guys are tops!

quick turn around great price

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