can u recommend anything for a metal spring that connects to a plastic holder, as the spring keeps coming out of its holder

JB Plastic weld but is not a complete solution as it will work loose eventually. I do not know a glue for this combination. The connection must depend on the basic design, not a glue.

I have a crack in the rear moulding of a caravan. It is subject to vibration and bouncing when being towed. Will this be suitable?

This is the best glue i have used on plastic. I have used it to repair some parts of a machine and this give out a high degree of vibration. These repairs were to be temporary but they are still holding after several months. Give the glue time to set (24 hours), before you place to much stress on the repair. Hope this was helpful. William

Anyone know if this is the right stuff to fix a crack in a car roof box thanks

If it helps my father used it to fix a crack in his oil tank so I don't see why you couldn't use it on a roof box.

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JB WELD 8237UK JB8237 Plastic Weld Fast-Setting Off White Multi Purpose Reinforced Epoxy Putty, 57 G

JB WELD 8237UK JB8237 Plastic Weld Fast-Setting Off White Multi Purpose Reinforced Epoxy Putty, 57 G

Product ID: 47943756

Details

Brand
J-B Weld
Item form
Putty
Material
Epoxy Resin
Special feature
Quick drying
Specific uses for product
Cars Plastic

🌊Water & chemical resistant

💪3900 PSI tensile strength

⏱️5 min fast set

NT$678

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💥 Fix fast, fix strong, fix smart — be the go-to problem solver!

REUSABLE READY - Unique resealable syringe and included mixing tools mean no waste and instant action.
RAPID REPAIR POWER - Sets in just 5 minutes so you can fix and move on—no downtime, no hassle.
UNMATCHED STRENGTH - Delivers a rock-solid 3900 PSI bond that stands the test of time and stress.
ENVIRONMENTAL TOUGHNESS - Resists water, chemicals, and heat—perfect for indoor and outdoor fixes.
VERSATILE MATERIAL COMPATIBILITY - Works seamlessly on plastics, ABS, fiberglass, PVC, glass, vinyl, and more.

JB WELD 8237UK Plastic Weld is a fast-setting, high-strength epoxy putty that bonds multiple materials with a tensile strength of 3900 PSI. It sets in 5 minutes, cures fully in 3 hours, and resists water, chemicals, and heat, making it ideal for durable repairs on plastics, fiberglass, and more. Packaged with a resealable syringe and mixing tools, it ensures convenience and longevity for professional-grade fixes.

Specifications

ASIN	B003S2E4UE
Best Sellers Rank	2,291 in DIY & Tools ( See Top 100 in DIY & Tools ) 3 in Metal Filled Epoxies
Brand	J-B Weld
Colour	Off-White
Compatible Material	Plastic
Container Type	Putty
Country Of Origin	USA
Customer Reviews	4.2 4.2 out of 5 stars (10,067)
Full Cure Time	3 Hours
Global Trade Identification Number	00043425008374, 00043425082374
Included Components	Glue
Item Form	Putty
Item Package Quantity	1
Item Type Name	JB WELD JB8237 Plastic Weld Fast-Setting Off White Multi Purpose Reinforced Epoxy Putty, 57 G
Item Volume	59.14 Millilitres
Item Weight	0.15 Pounds
Manufacturer	J-B Weld
Manufacturer Part Number	8237
Material	Epoxy Resin
Model Number	8237
Other Special Features of the Product	Quick drying, strong
Product Warranty	Na.
Specific Uses For Product	Cars, Construction, Plastic
Tensile Strength	3900 Pounds Per Square Inch
UPC	043425082374 043425008374 043425700063 798304344912
Unit Count	57.0 gram
Viscosity Level	High
Water Resistance Level	Water Resistant

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

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