Name: Rosin Solid Flux Paste Block for Soldering Iron Tip, Electronics Repair, Lead-Free Flux for Easy Tin Welding
Brand: GoSteppe
Price: 1.20 USD
Availability: InStock
Rating: 4.6 (10 reviews)

Attributes

Brand	-
Category	Musical Instruments/Guitars/Pianos/Accessories / Rosin and Other Low-Value Consumables
Origin	-
Material	High-purity Rosin
Form Factor	Solid Paste Block
Lead Content	Lead-Free
Activation Temperature	180°C - 250°C
Residue Type	Non-Corrosive
Primary Application	Electronics Repair & Soldering
Compatibility	Standard Soldering Iron Tips
Net Weight	50g
Shelf Life	24 Months
Package Includes	1x Rosin Flux Block

6 reviews

Anonymous

Mar 25, 2026

Rating: 5/5

Essential for clean joints

I've tried several brands, but this one consistently produces shiny, clean solder joints. It doesn't leave a sticky residue that is hard to clean later.

Anonymous

Mar 15, 2026

Rating: 5/5

Reliable and consistent

No complaints here. It activates quickly at standard iron temperatures and ensures good wetting on both copper and component leads.

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect for delicate circuit boards

This rosin block works exactly as expected. It melts smoothly and helps the solder flow evenly without creating excessive smoke. Great value for the price.

Anonymous

Mar 12, 2026

Rating: 5/5

Great for beginners

As someone new to soldering, this made the process much easier. The solder sticks immediately where I touch the tip to the rosin. Highly recommended.

Anonymous

Mar 09, 2026

Rating: 4/5

Good quality, strong scent

The flux quality is excellent for my DIY projects. Just be sure to use it in a well-ventilated area as the smell can be quite strong when heated.

Anonymous

Mar 04, 2026

Rating: 4/5

Solid performance

Does the job well for general electronics repair. The block lasts a long time since you only need a tiny amount for each joint.

5 FAQ

Q: Is this flux safe to use on sensitive microchips?

A: Yes, this is a non-corrosive, lead-free rosin flux suitable for sensitive electronic components, provided standard soldering temperatures are maintained.

Q: Do I need to clean the residue after soldering?

A: While the residue is non-corrosive, we recommend cleaning it with isopropyl alcohol for aesthetic purposes and to ensure long-term reliability in high-humidity environments.

Q: What is the melting point of this solid block?

A: The flux becomes active and begins to melt effectively between 180°C and 250°C, which aligns with most standard soldering operations.

Q: How should I store this to prevent it from drying out?

A: Please keep the block in its original container or an airtight box at room temperature, away from direct sunlight and dust.

Q: Can this be used with leaded solder wire?

A: Absolutely. Although the flux itself is lead-free, it is fully compatible with both leaded and lead-free solder alloys.

Explore your interests

Genelec Speaker Desktop Stand 8000-406 (Single Unit) - Compatible with 8010, 8020, 8030 Models

$426.00

Qingge GB101 Double Bass Bow, German and French Style Brazilwood Contrabass Bow

$276.00

Dear You Two-Part Chorus Staff Notation Accompaniment Standard Score Chorus Numbered Notation Piano Accompaniment Audio Part Demo Singing

$28.00

Xuanhe Thickened Cowhide Flat Drum with Pine Wood Shell; Large War Drum and Gong Drum in Big and Small Sizes; Durable Cowhide Drum Includes Drumsticks

$203.00

TOM TUC680M Ukulele Solid Wood ukulele Small Guitar Advanced Ukelele Adult Female 23 inch

$755.00

Bronze Hand Gong, Small Copper Gong 21 22 Low Pitch Black Hand Gong 28 30, Various Sizes Su Gong, Wu Gong, Hu Yin Gong, High Pitch Copper Gong

$270.00

Kapell KPE Violin Shoulder Rest - Professional Lightweight Foam Shoulder Pad for 4/4 and 3/4 Violins with Adjustable Width and Height

$268.00

SUZUKI Japan SCX-64 56 48 Imported 16-Hole Chromatic Harmonica for Beginners and Entry-Level Performance

$1,028.00

Ancient Style Membrane-Free Bamboo Flute - Professional Instrument for Beginners and Adults, Yunyi Bitter Bamboo Transverse Flute in E and C Keys

$84.10

Drum Cymbal Muting Ring Silent Pad - 12, 14, 16, 18, 20 inch Cymbal Mute Strip

$6.63

Pure Copper Handmade Thickened Great Han Horn Extendable Horn Suona Brass Professional Tone Red and White Events Ethnic Trombone

$530.00

Ancient Instrument Meteorite Xun Eight-Hole Practice Xun Craft Xun 8-Hole Craft Xun Free Shipping Includes Fingering Chart Self-Study Gift Pack

$19.90

Saige Premium Solid Wood Djembe with Goat Skin - Professional Performance Drums for Adults and Children (8", 10", 12")

$254.00

Bingsheng Shoe Materials 707 Glue, Shoe Repair Adhesive, Specialized Glue for Shoe Leather, Fast-Acting Glue, 3-Second Glue, Quick-Drying

$2.00

Copper Cymbals Large/Small Jing Cymbals Resonant Copper Water Cymbals Nao Large Hat Cymbals Waist Drum Cymbals Snare Drum Cymbals Gongs and Cymbals

$137.00

German Kazoo Professional Performance Grade New Design Metal Wind Instrument - Premium Quality

$63.70

Morgan Classical Guitar Strings Set 1-6 - Silver-Plated High Tension Nylon Strings and Accessories

$48.30

6-Hole Ocarina, Professional Beginner Alto AC Tuning Instrument for Children, Students, and Adults

$9.80

Elixir Electric Guitar Strings Single String Universal 09 10 Loose Guitar Strings 1st & 2nd String 11 Elixir

$14.40

Clarinet Instrument, Black Pipe, Bb Tuning Black Pipe, TOYAMA Musical Instruments

$7,805.00

SOLO Guitar Bow - Picasso Bow for Folk and Classical Guitar Performance, Tuning, and Creative Playing Techniques

$172.00

USA-Made D'Addario Electric Guitar Strings EXL120 Full Set of 6 Strings, Also Available in EXL110

$45.90

Dunhuang Professional Concert Guzheng 698T/5698JT Rosewood, Elegant Lady 698JM Blooming Dreams

$12,495.00

90CM Young Pioneers Drum Corps Military Band Conductor Baton Command Stick Conductor Staff

$120.00

22-Tube Pan Flute in G Key - Professional Performance Grade for Children, Adults, and Students, Beginner-Friendly Traditional Instrument

$100.00

Auto-Tune Assistant: Permanent Automatic Pitch Correction Base Query, Kugou Pitch Shift Software, NetEase Song Key Changer

$5.00

ART S8-3WAY art s8 8-Input 1-to-3 Passive Microphone Splitter, Passive Audio Distributor

$1,990.00

CIOKS DC7 Adjustable SOL Multi-Output Isolated Power Supply Kit for Guitar Pedals - Quiet, High Current QC KPP

$649.96

Shi Ming Ultimate Keyboardist Core Course: Improvisational Accompaniment/Pop Jazz/Piano Harmony Videos

$697.00

Premium Boxwood Violin Accessory Set - Pegs, Tailpiece, Chinrest, and Endpin with Black Inlay (4/4 Size)

$236.00

Ibanez Official Flagship Store RGA42EX-BAM Electric Guitar, 24 Frets, Fixed Bridge

$3,111.00

Billiard Cue Tip Glue, Quick-Set 502 Adhesive, O'Min Tip Attachment Glue

$3.00

Youth Bb Trumpet Plastic Mouthpiece for School Bands, Drum Corps, and Young Pioneers - Drop-Resistant Accessory

$4.08

*Sanxian Langyue Pipa Picks - Pink Transparent Celluloid for Professional Performance (Adults & Children)

$55.00

Beijing Xinghai Xipi Jing Erhu Instrument 87022X African Rosewood Raw Polished Popular Performance Erhu

$816.50

4/4 Violin/Cello Bow Accessories: Frog Pre-Haired with Screw, Tailpiece Fitting

$4.25

Sheet Music Transcription Service: Full House & Fate Arrangements for Sax, Clarinet, Flute, Violin & Accompaniment

$12.00

Baihua Reed Membrane Liquid Glue, Super Value Gift Pack: 5 Packs of Baihua Reed Membrane + 1 Bottle of Liquid Glue, Free Shipping

$8.80

432Hz & 528Hz Tuning Fork Resonance Sound Healing Instrument, Ear Cleaning Stress Relief Relaxation Demagnetization Mindfulness Meditation Tool

$89.00

Elixir Electric Guitar Strings, 3-Pack Sets, NANOWEB Coated Strings, Models 09 and 010

$202.50