J-B Weld Pro-Series Quick Setting Steel Reinforced Epoxy (#52076) is a two-part, steel-reinforced adhesive that forms a permanent, machinable bond on metal and multiple surfaces. It sets in 5–7 minutes at room temperature and reaches full cure in as little as 6 hours, delivering a tensile strength of 3,127 PSI.
J-B Weld Pro-Series #52076 is a professional-grade, steel-reinforced epoxy designed for general-purpose bonding and repair. Mixed at a 1:1 ratio from a 9.4 fl oz cartridge, it forms a hard, dark-gray paste bond that can be shaped, tapped, filed, sanded, and drilled once fully cured — making it a versatile solution for permanent structural repairs.
J-B Weld Pro-Series Quick Setting Reinforced Epoxy bonds to a wide range of materials, including:
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Metal (steel, iron, aluminum, and more)
- Ceramic
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Concrete
- Fiberglass
- Stone
Key Specifications
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Specification
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Value
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Brand
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J-B Weld
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Series
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Pro Series
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Part Number
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52076
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Mixing Ratio
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1:1
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Total Volume
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9.4 fl oz
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Container Type
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Cartridge
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Tensile Strength
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3,127 PSI
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Shear Strength
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1,000 PSI
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Hardness (Full Cure)
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80 Shore D (minimum)
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Cured Color
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Dark Gray
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Viscosity Range
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125,000–175,000 cps
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Max Performance Temp
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140°F
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Min Performance Temp
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-40°F
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Max Application Temp
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120°F
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Consistency
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Paste
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Working Time: Approximately 6 minutes
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Functional Cure: 6 minutes (enough to hold parts in place)
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Full Cure Time: 6 hours (maximum)
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Overnight Bond: Sets to a hard bond overnight for full structural integrity
. Once fully cured, J-B Weld Pro-Series #52076 can be shaped, tapped, filed, sanded, and drilled. This machinability makes it particularly useful for structural repairs where the bonded area needs to be finished or fitted precisely — a key advantage over standard adhesives.
18:1 THRUST RATIO Applicator: required for proper dispensing