Best OverallPermatex
Permatex 84145 PermaPoxy 5 Minute Plastic Welder
- 2-part plastic-specific epoxy
- Waterproof
WOWeld-On
Weld-On
Weld-On 16 Plastic Cement
- Solvent cement for PVC
- Pressure-rated
- Waterproof
- Used in plumbing
Sponsored link · confirm price and availability on Amazon · updated
On this page
Is the Weld-On 16 Plastic Cement worth it?
Yes, for the right buyer. The Weld-On 16 Plastic Cement ranks #2 in our Best Waterproof Adhesive for Plastic 2026 list (best pvc). Its biggest strength: pVC solvent cement creates a molecular bond - stronger than any adhesive on PVC. The main caveat: only for PVC - does not bond other plastics.
Overview
What the Weld-On 16 Plastic Cement does well
Strong solvent fumes Required for PVC bonding. The highlights are pVC solvent cement creates a molecular bond - stronger than any adhesive on PVC and pressure-rated for plumbing use - holds at water main pressure. One caveat, only for PVC - does not bond other plastics.
Specs that matter
Key features
- Solvent cement for PVC
- Pressure-rated
- Waterproof
- Used in plumbing
The trade-offs
Pros & cons
Pros
- PVC solvent cement creates a molecular bond - stronger than any adhesive on PVC
- Pressure-rated for plumbing use - holds at water main pressure
- Weld-On is the standard brand used in plumbing and pool PVC installation
Cons
- Only for PVC - does not bond other plastics
Fit check
Should you buy the Weld-On 16 Plastic Cement?
Buy it if you're…
- Shopping for plastic 2026
Think twice if this matters to you
- Only for PVC - does not bond other plastics
Where it ranks
Featured in 1 best-of list
| List | Rank |
|---|---|
| Best Waterproof Adhesive for Plastic 2026· Best Pvc | #2 / 10 |
Cross-shop
Alternatives to the Weld-On 16 Plastic Cement
Products ranked near it in our research, each better for a slightly different buyer.
- Best OverallGorilla
Gorilla Super Glue Gel
- Gel formula, no-run on vertical surfaces
- 45-second handling time
Buying advice: adhesives
- Porous materials like wood, paper and fabric bond well with water-based glues. Non-porous ones like metal, glass and most plastics need epoxy, cyanoacrylate or a polyurethane adhesive. Polyethylene and polypropylene resist almost everything, so check the label lists them.
- Thin glues need parts that meet closely. If the joint is loose or the surfaces are uneven, epoxy or polyurethane glue fills the gap and still holds.
- Fast-setting glue is convenient for small fixes but leaves no time to adjust a big assembly. For furniture and glue-ups, a longer open time is worth more than speed.
- Standard PVA softens with moisture. For outdoor projects, cutting boards or anything washed often, look for a water-resistant (Type II) or waterproof (Type I) rating, or use epoxy.
- Once opened, super glue and some epoxies thicken within months. Smaller bottles that you finish quickly often work out cheaper than a big one that goes off.
Answers
Weld-On 16 Plastic Cement: common questions
Is the Weld-On 16 Plastic Cement worth buying?
Yes, for the right buyer. The Weld-On 16 Plastic Cement ranks #2 in our Best Waterproof Adhesive for Plastic 2026 list (best pvc). Its biggest strength: pVC solvent cement creates a molecular bond - stronger than any adhesive on PVC. The main caveat: only for PVC - does not bond other plastics.
Who is the Weld-On 16 Plastic Cement best for?
Based on our research it suits plastic 2026. It's ranked #2 of 10 in our Best Waterproof Adhesive for Plastic 2026 list.
What are the downsides of the Weld-On 16 Plastic Cement?
The main trade-offs owners and reviewers point to: only for PVC - does not bond other plastics.
What are the key features of the Weld-On 16 Plastic Cement?
Solvent cement for PVC, Pressure-rated, Waterproof and Used in plumbing.
What are the best alternatives to the Weld-On 16 Plastic Cement?
Worth comparing: Permatex 84145 PermaPoxy 5 Minute Plastic Welder, Gorilla Super Glue Gel and E6000 Craft Adhesive. Each ranks near it in our research for a slightly different buyer.
Where can I buy the Weld-On 16 Plastic Cement?
It's sold on Amazon. Prices and stock change often, so check the current listing before you buy, our link takes you straight to it.