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Extra Strength Epoxy Cartridge Bundle

Price range: $25.86 through $63.20

Save Up to 45%

Maximum-strength epoxy for high-stress repairs, heavy materials, and impact-resistant bonds.

Some repairs demand more than a standard epoxy can deliver. At Brampton Technology, our Extra Strength Epoxy Cartridge Bundle gives professionals and DIYers a high-performance option that holds up under pressure.

It comes with a 20-minute work life suited to complex assemblies and demanding applications. Available in packs of 3, 5, and 10, this bundle keeps you stocked and ready without paying full price on every order.

Description

Why the Extra Strength Epoxy Cartridge Bundle Handles What Others Cannot

Why Choose Extra Strength Epoxy

  • Built for high-stress and impact-resistant bonds across heavy-duty repairs
  • A longer 20-minute work life gives you time to position and assemble complex pieces correctly
  • Delivers greater durability and impact resistance compared to general-purpose epoxies

What It Bonds

Metal, glass, wood, stone, concrete, tile, ceramic, porcelain, and most plastics. Our Extra Strength Epoxy is also sandable and paintable, giving you a finish-ready result on completed repairs.

Applications

  • Household repairs
  • Garden and tools
  • Automotive
  • Hobbies and crafts

Properties (at 72°F/22°C)

  • Work life: 20 minutes
  • Set time: 5 hours
  • Full cure: 15 hours
  • Sandable after 20 hours

Mixing Ratios

  • Volume Ratio: 1:1
  • Weight Ratio: Part A 114g: Part B 100g

This product is also available in cartridge, syringe, and two-bottle set formats to suit your dispensing setup.

Available Sizes

  • 85oz Syringe
  • 5oz Cartridge
  • 7oz Cartridge
  • 20oz Cartridge
  • 4oz Bottle Kit
  • 8oz Bottle Kit
  • 16oz Bottle Kit

The Right Epoxy for Jobs that Need to Last

Our Extra Strength Epoxy is our most durable bonding solution, with outstanding impact resistance built into the formula. The extended work life suits projects where precision matters and rushing the setup would compromise the result.

Once fully cured at 15 hours, the bond holds firmly against stress, impact, and regular wear. Buying in a bundle means you have the right epoxy available whenever a demanding repair comes up.

California Proposition 65 Warning

This product contains chemicals that the State of California has identified as potential causes of cancer, birth defects, or other reproductive harm.

Contact our team to place an order or get advice on the right bundle size for your repair volume and project types.

  • How long does the Extra Strength Epoxy take to cure?

    Extra Strength Epoxy is formulated for maximum bond durability, which means it requires a longer curing period compared to fast-set options. Under normal room temperature conditions, it typically reaches handling strength within 5 hours and achieves full cure in approximately 15 hours. Cooler temperatures may extend cure time, while slightly warmer conditions can accelerate the process. Although it may feel firm earlier, full chemical curing ensures optimal structural integrity and long-term reliability. Patience during the curing process results in a stronger, more dependable bond.

  • How should I test to confirm when the epoxy is fully cured?

    To confirm a full cure, inspect the bonded joint visually and physically after the recommended cure time has passed. The epoxy surface should appear smooth, uniform, and free of tackiness. Lightly press on any exposed adhesive; it should feel hard and solid, not flexible or sticky. If there is no movement and the bond feels rigid, curing is likely complete. However, avoid aggressive stress testing until at least 15 hours have passed. Allowing complete curing ensures maximum bond strength and long-term performance.

  • How long should I mix the epoxy before applying it?

    Proper mixing is essential for achieving the full strength of Extra Strength Epoxy. The resin and hardener components should be blended thoroughly for approximately 30 to 60 seconds, ensuring a uniform color and consistency throughout the mixture. Scrape the sides and bottom of your mixing surface to incorporate any unmixed material. Incomplete blending can result in soft spots, weak adhesion, or incomplete curing. Even if the mixture appears combined quickly, continue mixing to ensure the chemical reaction is fully activated. Taking the extra time to mix correctly prevents bond failure and maximizes impact resistance.

  • Is this epoxy suitable for heavy-duty applications or impact-resistant repairs?

    Yes, Extra Strength Epoxy is specifically engineered for heavy-duty and high-impact applications. It performs reliably in woodworking, metal bonding, marine components, and composite repairs. Once it is fully cured, the adhesive creates a rigid, durable bond capable of withstanding mechanical pressure and environmental variation. This makes it an excellent choice for users who prioritize long-term performance over rapid cure time. When strength and reliability matter most, this epoxy delivers professional-grade results.

  • What types of projects is this epoxy recommended for?

    Extra Strength Epoxy is recommended for projects requiring maximum durability and structural integrity. It is well-suited for bonding metal, wood, fiberglass, graphite, and certain composite materials in workshop or marine environments. Because of its extended cure time, it allows careful alignment and positioning before setting, which is beneficial for people working with precision builds. This epoxy provides the dependable strength and resilience needed for long-lasting performance.

  • Can this epoxy be used outdoors or in high-humidity environments?

    Yes, once fully cured, Extra Strength Epoxy performs reliably in outdoor and high-humidity environments. The cured bond is resistant to moisture exposure, temperature fluctuations, and environmental stress. However, proper surface preparation is critical before application. Surfaces should be clean, dry, and free of oils or debris to ensure optimal adhesion. While humidity may slightly influence working time or curing speed, it does not compromise the final bond strength when applied correctly. Allowing the adhesive to reach full cure before exposure to moisture ensures long-term durability and consistent performance.