How hot can this get and would this work in a engine block sleeve (this were the piston goes up and down ). Its for a 2 stoke 80cc dirt bike ?

If the glue is to be placed on the inside of the sleeve to cover a defect where the rings pass over the repair, this is an extremely demanding use and liable to fail. I'd use a dremel to grind an undercut "dovetail" in the defect and apply J-B Weld High Heat epoxy putty. About 500 degrees max.

My deck screws are no longer biting to secure deck on boat. What product do u recommend to fill hole and redrill?

I just finished filling holes in boat deck that no longer would hold the screws. It dries white. I filled the hole and after curing time I redrilled the holes and mounted the lids. Held up fine so far

Can I use this product on acrylic plastic?

No, you need to use the JB Weld plastic bonder, item 50133 or 50139. Thanks, JB Weld Support

Is this product uv resistant?

"I'm confused, the product description says it is UV resistant." Let's rewrite that (pretending that we have a sixth-grade education): "I'm confused; the product description says it is UV resistant." Unfortunately, the J-B company is using the name MarineWeld for two very different adhesives. The white kind (in syringes) and the gray (in squeezable tubes) differ in much more than color.

Marineweld Marine Epoxy | Desertcart Hungary

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Description

🌊 Seal the deal with the ultimate marine epoxy—because your watercraft deserves the strongest bond!

BUILT FOR EXTREMES - Withstands temperatures up to 550°F and resists petroleum, chemicals, and acids—engineered for harsh environments.
FAST TRACK REPAIRS - Sets in just 4-6 hours and fully cures within 15-24 hours—get back on the water faster without compromising durability.
DIY CONFIDENCE BOOSTER - Easily sand, drill, mold, and shape once cured—empowering you to restore and customize with professional-grade results.
VERSATILITY MEETS DURABILITY - Works seamlessly on aluminum, fiberglass, metal, plastic, and wood—your all-in-one marine repair solution.
UNMATCHED STRENGTH EVERY TIME - Steel-reinforced epoxy delivers a powerful 5020 PSI bond that stands up to the toughest marine challenges.

J-B Weld 8272 MarineWeld is a two-part, steel-reinforced epoxy designed for durable marine and watercraft repairs. It offers a tensile strength of 5020 PSI, sets in 4-6 hours, and cures fully in 15-24 hours to a waterproof, chemical-resistant bond that withstands temperatures up to 550°F. Compatible with multiple surfaces including metal, fiberglass, and wood, it enables professional-quality DIY fixes above and below water.

Specifications

ASIN	B000KKPFFA
Best Sellers Rank	#3,367 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Tile Epoxy Adhesives
Brand Name	J-B Weld
Color	Blue/Black
Compatible Material	Alloy Steel, Aluminum, Metal, Plastic, Wood
Container Type	Tube
Customer Reviews	4.7 4.7 out of 5 stars (7,284)
Full Cure Time	15 Hours
Global Trade Identification Number	00043425082725
Included Components	JBWeld 8272UK
Item Form	Paste
Item Package Quantity	1
Item Type Name	BONDING_ADHESIVES
Item Weight	0.07 Kilograms
Manufacturer	JBWeld
Material Type	Epoxy Resin
Model	8272UK
Number of Pieces	1
Other Special Features of the Product	Strong
Part Number	8272UK
Specific Uses For Product	Marine, Watercraft, Water Repairs
Tensile Strength	5020 Pounds Per Square Inch
UPC	043425082725 700736744130 043425700032 796793064694 043425008725
Unit Count	2.0 Ounce
Viscosity Level	Medium
Volume	59.14 Milliliters
Warranty Description	Manufacturer Warranty
Water Resistance Level	Waterproof

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