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🔧 Fix it once, fix it like a pro with J-B Weld – the ultimate cold weld champion!
J-B Weld 8281 Professional Size Steel Reinforced Epoxy Twin Pack is a high-strength, two-part epoxy system delivering a tensile strength of 5020 PSI. It sets in 4-6 hours and fully cures within 15-24 hours, forming a waterproof, chemical-resistant bond that withstands temperatures up to 550°F. Compatible with a wide range of materials including metal, plastic, wood, and concrete, it’s the go-to solution for durable, professional-grade repairs across automotive, marine, household, and craft applications.














| Asin | B014OVHAOY |
| Best Sellers Rank | #649 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #7 in Epoxy Adhesives |
| Brand Name | J-B Weld |
| Color | dark grey |
| Compatible Material | Metal, Plastic & PVC, Wood, Concrete, Ceramic & Tile, Fiberglass |
| Container Type | Tube |
| Customer Reviews | 4.7 4.7 out of 5 stars (11,883) 4.7 out of 5 stars |
| Full Cure Time | 15 Hours |
| Global Trade Identification Number | 00043425082817 |
| Included Components | Product & Instructions Guide |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | J-B Weld 8281 Professional Size Steel Reinforced Epoxy Twin Pack - 10 oz. |
| Item Weight | 3.2 Ounces |
| Manufacturer | JBWeld |
| Material Type | Epoxy Resin |
| Model | 8281 |
| Number Of Pieces | 1 |
| Other Special Features Of The Product | High strength and temperature resistance |
| Part Number | J-B Weld - 8281 |
| Specific Uses For Product | Various: household repairs, automotive, plumbing, marine, crafts and more |
| Tensile Strength | 5020 Pounds Per Square Inch |
| Unit Count | 90.72 Grams |
| Upc | 043425082817 |
| Viscosity Level | High |
| Volume | 295.74 Milliliters |
| Water Resistance Level | Waterproof |
User
Really strong
Strong as a rock
User
جيد
جيد
User
Product is good
This product is very good. It cures very well and it sets properly hard. Good for industrial use. I used it in my car. For a coolant tank crack but unfortunately didn't work well for me, but the product is good.
User
Very good
Very good
User
Come da descrizione
Ottimo prodotto
User
Não cumpre o que promete
Não colou a bola do meu câmbio e ainda ficou cinza, cara de sujeira.
User
Good
As described
User
Facile
Magnifique, facile à utiliser et très efficace
User
Like molten metal
This really does set like metal & has excellent adhesion. I’ve often taken claims about “hard as steel” but this stuff is very good. I have repaired garden hose sprayers & load bearing brackets. It’s really effective.
Trustpilot
3 days ago
3 weeks ago