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Lead-Free Rosin Flux Paste for Electronics
$2.07$4.15Save 50%
In stock at aliexpress.com
This is a lead-free rosin flux paste for electronics soldering, sold in 10 g, 30 g and 100 g sizes. At around $2.07 it is the same style of product as many other AliExpress flux listings, with over 9,400 orders and 98% positive feedback on AliExpress. It helps solder flow cleanly on iron-based repair work.
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Price from AliExpress at our last check (refreshed weekly). The final price, shipping and any import charges show at AliExpress checkout. We may earn a commission if you buy.
Highlights
- Lead-free rosin flux paste
- Sizes of 10 g, 30 g and 100 g
- Aimed at iron-based electronics repair
- Around $2
Best for
Anyone repairing circuit boards or wiring with a soldering iron.
Things to consider
- Active ingredients and residue type are not stated; clean the board afterward if the paste leaves sticky flux.
- Flux fumes can irritate eyes and lungs, so solder with ventilation or a small fume extractor and wash your hands after handling the paste.
- Delivery to the US is usually one to three weeks; if the jar arrives open or the wrong size, open a case through AliExpress Buyer Protection.
Key specs
| Price | $2.07 |
|---|---|
| Sizes | 10 g / 30 g / 100 g |
| Type | Lead-free rosin flux paste |
| AliExpress seller data | 9,400+ orders, 98% positive feedback |
Our take
A cheap flux for hobby bench work. Ventilate and clean the board.
Lead-Free Rosin Flux Paste for Electronics at a glance
| Brand | AliExpress |
|---|---|
| Price | $2.07 (was $4.15) |
| Type | Welding Equipment & Supplies |
| Availability | In stock at aliexpress.com |
| Returns | Eligible items can be returned within 90 days of payment, with the first return on each… |
Price check
At $2.07, the Lead-Free Rosin Flux Paste is one of AliExpress's more affordable items, whose 52,612 listed products run $1 to $1,229.
It's currently 50% below its listed price of $4.15. Sale prices can end without notice, so check the live price before you order.
Similar items from other brands we track run $6.99 to $24.99.
Frequently asked questions
Do I need flux if my solder has a rosin core?
Cored solder carries some flux, but extra paste helps on oxidized pads, wire and rework.
How do I clean flux residue?
Isopropyl alcohol and a small brush are the common approach. Check if the listing says no-clean.
Which size is right?
The 10 g jar lasts a long time for hobby work.
How long does shipping take to the US?
About one to three weeks on average. Returns and refunds go through AliExpress Buyer Protection rather than directly with the seller.
Is the Lead-Free Rosin Flux Paste on sale?
Yes. AliExpress lists it at $2.07, down from $4.15 (50% off). Sale prices change, so confirm the live price on aliexpress.com.
Is there a discount on the Lead-Free Rosin Flux Paste?
AliExpress publishes these ways to save: Coins in the app. AliExpress sets the terms, which can change; our AliExpress coupons page has the details.
What is AliExpress's return policy?
Eligible items can be returned within 90 days of payment, with the first return on each order free, according to AliExpress's 2024 US announcement. Return terms vary by seller and item, so check the product page. Custom, perishable and hygiene items are generally excluded.
How long does AliExpress take to ship?
AliExpress's 2024 US guarantee listed Choice orders at 5 to 12 days and standard orders at 8 to 14 days, but real-world standard shipping from China often runs longer. Items marked Ship from United States come from local stock. Free shipping on Choice orders depends on a minimum order shown at checkout.
Does the Lead-Free Rosin Flux Paste come with a warranty?
AliExpress's published warranty terms: AliExpress does not publish a marketplace-wide product warranty. Coverage depends on the individual seller, and Buyer Protection covers non-delivery, damage and not-as-described claims instead.
Where can I buy the Lead-Free Rosin Flux Paste?
The Lead-Free Rosin Flux Paste is sold directly by AliExpress on aliexpress.com. The Shop now button on this page goes straight to the product there.
Is the Lead-Free Rosin Flux Paste in stock?
Yes. AliExpress lists it as in stock on aliexpress.com as of our latest check. Stock and prices refresh throughout the day.
Is AliExpress a legit store?
AliExpress is a legitimate marketplace that is worth using for cheap, low-risk things like cables, tools, cleaning supplies and small home items, as long as you can wait and you buy from well-rated sellers. Skip it for anything safety-critical, brand-name or urgent. Check the seller's feedback score, the delivery estimate and the import-charge line at checkout before you pay. Our full AliExpress review covers shipping, returns and what to check before ordering.
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