BEP870 Black 2-Part Epoxy Adhesive Kit is a toughened, structural-grade adhesive supplied in a two-bottle system (resin + hardener). It delivers high impact and fatigue resistance, making it ideal for loudspeaker building, repair, and other demanding bonding applications.
This epoxy bonds strongly to metals, composites, ceramics, wood, cloth, and many plastics. It is widely used for joining, gluing, potting, panel bonding, and structural reinforcement.
BEP870 is also available in a cartridge format for use with a dispensing gun — perfect for easier, cleaner, and faster applications.
Key Features of the BEP870 2-Part Epoxy Adhesive Kit:
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Two-Bottle Kit – Resin and hardener packaged separately for manual mixing.
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Cartridge Kit Option – Duo-Pak format for use with a dispensing gun (PXDG50.1112) and static mixing nozzles (PMA5.4-17S).
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1:1 Mix Ratio – Easy-to-measure equal parts for reliable results.
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Working Time: 8–10 minutes at 77°F.
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Cure Profile: Handling strength in ~2 hours; full cure in 24 hours at room temperature. Heat accelerates cure.
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High Performance: Outstanding shear and peel adhesion with long-term durability.
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Temperature Resistant: Maintains bond strength through paint bake cycles up to 400°F for 60 minutes.
Which BEP870 Epoxy Kit Is Right for You?
| Format |
Description |
Best For |
Mixing Method |
Required Tools |
| Two-Bottle Kit |
Resin & hardener bottles, mix by hand (1:1 ratio). |
DIY users, small repairs, when no dispensing gun is available. |
Manual mixing (by volume or weight). |
Mixing cup & stir stick. |
| Cartridge Kit |
Pre-loaded Duo-Pak cartridge for fast, clean application. |
Professional use, production work, precise dispensing. |
Automatic 1:1 ratio mixing through nozzle. |
PXDG50.1112 dispensing gun + mixing nozzles. |
Quick Summary:
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Two-Bottle Kit → Economical, mix by hand, no extra tools needed.
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Cartridge Kit → Cleaner, faster, and easier if you own (or plan to buy) a dispensing gun.
Recommended Applications for BEP870 Epoxy Adhesive:
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Loudspeaker repair and manufacturing (cones, spiders, formers, panels).
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Bonding aluminum, steel, composites, cloth, and wood.
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Structural bonding projects requiring durability, shock resistance, and fatigue resistance.
How to Use the BEP870 Black 2-Part Epoxy Adhesive Kit:
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Mix equal parts resin and hardener (1:1 by volume or weight).
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Stir thoroughly until the blend is uniform.
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Pot Life: 8–10 minutes (2 oz mass @ 77°F).
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Handling Strength: Achieved in ~1–2 hours.
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Full Cure: 24 hours at room temperature; 7 days for max chemical resistance.
Storage and Shelf Life of BEP870 Epoxy Adhesive:
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Shelf life: 4–5 months at 60–80°F.
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Lower temps may temporarily increase viscosity.
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Higher temps may permanently reduce viscosity.
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