Rosin Solder Paste Flux | Electronic Circuit Board Repair | 30g, 100g, 500g Options
Stock #:CMP-01639
SKU:WELD-00556
1 / 2
$5.95
Ships to United States · standard est. 10-20 business days
Free standard shipping on orders over $59 (under 2kg). Express available at checkout.
This rosin solder paste flux helps with soldering tasks. It works for various electronic circuit board repairs and general soldering projects. Choose from 30g, 100g, or 500g containers to fit your pro...
Select an option
1
$5.95
1
Fast Shipping
Secure Payment
Easy Returns
Good to know
Questions about this product
- What is rosin solder paste flux for?
- It helps solder flow and stick when you're working on electronics. The flux cleans the metal surface as it heats, which makes stronger joints and cuts down on cold solder spots. It's handy for circuit board repair and general electrical connections.
- Does it work with lead-free solder?
- Yes, it's compatible with both leaded and lead-free solders. The formula is RMA, meaning rosin mildly activated, which suits typical electronics work. It performs across normal soldering temperatures from about 150C to 350C.
- Which jar size should I buy?
- It comes in 30g, 100g, and 500g jars. The 30g is fine for occasional board repairs, while the 500g suits frequent or production-style work. Unopened and stored cool and dry, it keeps for about 24 months.
Welding & Soldering spec sheet (PDF)
Get a one-page sheet with full description, specifications, technical details, FAQs, price & SKU - handy to save, print, or share.
Not sure which one?
Compare welding & soldering
This product
Rosin Solder Paste Flux | Electronic Circuit Board Repair | 30g, 100g, 500g Options
Price$5.95
Rating5.0
Sold126+
Stock In stock
You're viewing this
Alternative
Rosin Solder Paste Flux | 30g, 100g, 500g Options | For PCB & Electronic Repair
Price$5.95
Rating4.7
Sold10,000+
Stock In stock
Alternative
Solder Paste Flux | No-Clean Rosin | For Electronics Repair & Assembly
Price$5.95
Rating4.7
Sold2,000+
Stock In stock
Alternative
Lead-Free Solder Paste Flux | 10g, 30g, 100g Sizes | Precision Welding & PCB Repair
Price$5.95
Rating4.7
Sold10,000+
Stock In stock
Alternative
Lead-Free Solder Paste Flux | Rosin Formula for Electronics Repair | 10g, 30g, 100g Options
Price$11.99
Rating4.9
Sold5,000+
Stock In stock
Alternative
Solder Paste Flux | 10ml Precision Needle Tube | For Drag Soldering & Desoldering
Price$6.52$5.95
Rating4.8
Sold10,000+
Stock In stock
Alternative
Professional-Grade Solder Flux Paste | 10cc Syringe for BGA, SMD & PCB Repair | Precision Electronics Soldering
Price$6.63$5.95
Rating4.9
Sold5,000+
Stock In stock
Alternative
Solder Paste Flux | No-Clean Tin Paste for SMD & LED Repair | 172℃/217℃ Melting Point
Price$5.95
Rating4.8
Sold5,000+
Stock In stock
Alternative
RMA-223 Solder Flux Paste | 10CC No-Clean Grease | BGA/SMD/PCB Repair
Price$7.95
Rating4.9
Sold456+
Stock In stock
Compare options
More Welding & Soldering
Desoldering Braid | Solder Remover Wick | 2.0mm & 3.5mm x 1.5M
4.9
$5.95
Desoldering Braid | Copper Wick Solder Remover for PCB & BGA Repair | 6-20M Lengths
5.0
$5.95
Lead-Free Solder Paste Flux | No-Clean Halogen-Free Formula | 10cc Syringe for PCB Rework
5.0
$5.95
Soldering Flux Paste | No-Clean BGA PCB Repair Flux | 10cc Syringe
5.0
$11.99
BGA Solder Flux Paste | Halogen-Free for PCB Rework | 10CC RL-420/421/422
5.0
$5.95
-5%Cordless Soldering Iron | 510 Thread Battery | 650mAh USB-C Rechargeable | Micro Welding & Repair Tool
5.0
$8.95$9.47
Professional-Grade Solder Paste | Sn99Ag0.3Cu0.7 Lead-Free Alloy | Precision Electronics & Micro-Soldering
5.0
$10.99
Soldering Iron Tips | Oxygen-Free Copper | 0.2mm for 936/937 Stations
5.0
$5.95
Desoldering Braid | 2.0mm Solder Remover Wick | 1.5 Meter Flux Absorption
5.0
$5.95
Desoldering Braid | High-Absorption Solder Wick for PCB & BGA Repair | MECHANIC R300
5.0
$5.95
Nano Flux Paste | Low-Residue Solder Paste for Electronics Repair | 35g Tube
4.9
$9.95
60W Adjustable Soldering Station | Precision Temperature Control for Electronics Repair
4.9
$11.99
Explore the range
Popular in Tools & Hardware
-47%DeWalt DW089LG Self-Leveling Green Laser Level | 3x360° Lines | 12V Outdoor Construction Grade
5.0
$69.99$131.24
USB-C Endoscope Camera | 5.5mm Lens for Android & PC | Flexible Inspection Borescope with 6 LEDs
4.9
$10.99
Sander Sanding Discs | 125mm 8-Hole Pattern | For Wood & Metal Grinding
4.9(10.2K)
$3.49
-1%Wire Stripping & Crimping Tool | Multi-Function Electrician Pliers | Heavy-Duty
4.9
$9.95$10.07
PU Coated Work Gloves | 3-Pair Pack with Knit Wrist | Excellent Grip & Dexterity
4.9
$5.95
Rotary Tool Cutting Disc Set | 6-32 Piece Multi-Material Blades | For Dremel & Precision Metalwork
4.9
$11.99
-18%DeWalt DCD805 20V Brushless Impact Driver | Compact & Powerful Cordless Drill for Professionals
4.9
$69.99$85.12
10pcs M35 Cobalt Drill Bits Set | For Stainless Steel & Metal | 1-3mm High-Speed Steel
4.9
$15.99
Powerful LED Head Torch | Motion Sensor & Rechargeable | COB High Power Fishing
4.9(5.2K)
$11.99
Polishing Compound | Nano Crystal Wax | Hydrophobic Scratch Repair
4.9(1.7K)
$7.95
Laser Rangefinder | Slope Compensation & Flagpole Lock | 600m Range, USB-C Rechargeable
4.9
$212.99
1-Inch Rotary Tool Sanding Sheets | 100pc Disc Set | For Dremel Tools
4.9(2.7K)
$7.95
Complete the set
Accessories & add-ons
Diamond Drill Bit Set | 18-68mm Hole Saw for Tile, Glass & Stone
5.0
$26.95
Woodworking Spade Drill Bit Set | 10-55mm High-Carbon Steel | Durable Flat Wood Boring Tools
5.0
$12.99
Forstner Drill Bit Set | 14-100mm Self-Centering Wood Boring Kit | Carbide-Tipped Precision
5.0
$5.95
Diamond Core Drill Bit | M14 Thread for Granite, Marble & Tile | Dry Vacuum Brazed Masonry Hole Saw
5.0
$35.95
Air Blow Gun | Heavy-Duty Pneumatic Tool for Engine & Workshop Cleaning
5.0
$17.99
-19%Diamond Drill Bit Set | 8-Piece for Tile, Glass & Stone | 6-45mm Hole Saws
5.0
$80.99$100.15
TCT Trimming Router Bit | 1/2 Shank 3 Flute | For Plywood, MDF & Chipboard
5.0
$28.95
Table Saw Blade Guard | 4-10 Inch Acrylic Protection Cover for Woodworking Safety
5.0
$83.99
Sanding Belts | P60-P3000 Abrasive | 330x10mm, 457x13mm, 492x6mm
5.0(16)
$19.99
30x 9x533mm Sanding Belts | Aluminium Oxide Abrasive | P36-P600 Grit Assortment
5.0(21)
$38.95
-21%Diamond Drill Bit Set | 6-Piece M14 Thread | For Porcelain, Granite & Marble
5.0
$95.99$121.65
Paint Spray Gun Kit | 1.3mm Nozzle & 600cc Cup | Easy to Use for Cars, Walls & Home Projects
5.0
$299.99