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 bonding strength

⏱️Fast 5-min set time

HK$119

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Description

🔧 Fix it fast, fix it strong — the epoxy putty pros swear by!

BUILT TO LAST - Resistant to water, chemicals, and heat—durability you can trust.
RAPID REPAIR POWER - Sets in just 5 minutes for instant fixes that keep you moving.
UNMATCHED STRENGTH - Delivers a rock-solid 3900 PSI bond for permanent, heavy-duty repairs.
PROFESSIONAL GRADE FINISH - Off-white color blends discreetly for a clean, polished repair every time.
VERSATILE MATERIAL COMPATIBILITY - Works seamlessly on plastics, fiberglass, PVC, glass, and more.

JB WELD 8237UK Plastic Weld is a fast-setting, multi-purpose epoxy putty that bonds with exceptional strength (3900 PSI) to a wide range of materials including plastics, fiberglass, and PVC. It sets in just 5 minutes and fully cures in 3 hours, offering durable resistance against water, chemicals, and heat. Ideal for professional-grade repairs requiring quick, reliable, and long-lasting results.

Specifications

ASIN	B003S2E4UE
Best Sellers Rank	2,738 in DIY & Tools ( See Top 100 in DIY & Tools ) 4 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 (10,118)
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	68 g
Manufacturer	J-B Weld
Manufacturer Part Number	8237
Material	Epoxy Resin
Model Number	8237
Number of Pieces	1
Other Special Features of the Product	Quick drying, strong
Product Warranty	Na.
Specific Uses For Product	Cars, Construction, Plastic
Tensile Strength	600 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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How is product pricing calculated?+

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

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HK$119

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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