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Soldering Flux
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  7. Kester 951 No-Clean…
Kester

Kester 951 No-Clean Liquid Soldering Flux 59ml (2 oz) | RoHS Compliant for Electronics

4.5
(329 Ratings)
Kester 951 No-Clean Liquid Soldering Flux 59ml (2 oz) | RoHS Compliant for Electronics - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹3,410₹5,270

You save ₹1,860 (35%)

35% off the seller list price

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50+ bought across the US last month

Doorstep delivery by 4 Nov - 6 Nov from USA

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Achieve Flawless Electronics Soldering

About this item

Kester 951 No-Clean Liquid Soldering Flux is your solution for clean, reliable electronics soldering. This lead-free, RoHS-compliant formula minimizes residue, ensuring professional-quality joints on PCBs. Imported directly from authorized US retailers, it guarantees authenticity and performance for your critical projects.

Engineered for versatility, Kester 951 is compatible with both lead and lead-free solders, making it suitable for a wide range of electronic assembly and repair tasks. Its low solids content ensures minimal post-soldering cleanup, saving you time and effort while maintaining high standards.

For Indian buyers, this 59ml (2 oz) bottle offers a convenient size for hobbyist or professional use. All customs duties and GST are included in the price, with fast, tracked delivery via ExpressBox to your pincode. Experience the difference of genuine Kester quality.

Key Features

  • Genuine Kester flux is repacked by TekLine Supply in this convenient dispenser
  • No-Clean formula- Low Solids Content for LOW RESIDUE
  • Lead Free - RoHS compliant
  • Compatible with Lead and Lead-Free Solders

Why choose this product

Precision Soldering Performance

Kester 951 No-Clean Flux is formulated for superior wetting and solder joint formation. Its low solids content and resin-based composition ensure minimal ionic and non-ionic contamination, crucial for high-reliability electronics. Unlike some local alternatives that may leave corrosive residues or require extensive cleaning, Kester 951 dries to a clear, non-corrosive state, preventing long-term circuit degradation. This flux is designed to work seamlessly with both traditional tin-lead solders and modern lead-free alloys, offering flexibility for diverse applications.

Ideal For Electronics Repair & Assembly

This flux is best suited for electronics technicians, PCB rework specialists, and hobbyists working with circuit boards, wires, and electronic components. If you require a flux that leaves minimal residue and is RoHS compliant for sensitive electronics, Kester 951 is an excellent choice. Those needing a flux for heavy-duty plumbing or non-electrical metal joining might require a different type, such as acid-core flux, which is not suitable for electronics.

How to use

  • Prepare the Surface — Ensure the metal surfaces to be soldered are clean and free from oxidation or contaminants. Apply a thin, even layer of Kester 951 No-Clean Flux to the joint area using the integrated applicator.
  • Apply Heat and Solder — Heat the joint with your soldering iron to the appropriate temperature. Once the metal is hot enough, touch the solder wire to the heated joint, allowing the flux to facilitate solder flow and create a strong, clean connection.
  • Allow to Cool — Remove the solder wire and then the soldering iron. Allow the joint to cool naturally. The Kester 951 flux residue is non-corrosive and typically does not require cleaning for most electronic applications.

Example scenarios

Typical situations where Kester 951 No-Clean Liquid Soldering Flux 59ml (2 oz) | RoHS Compliant for Electronics helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

An electronics hobbyist in Chennai needs to repair a sensitive PCB for a custom project.

How this product helps

Using Kester 951 flux ensures a clean solder joint without corrosive residue, crucial for delicate components in humid Chennai. The 59ml bottle is sufficient for multiple repairs, and all duties are included for a transparent price.

2
Scenario 2
Illustrative example
Where it helps

A technician in Delhi requires a reliable flux for lead-free soldering on new electronic assemblies.

How this product helps

Kester 951's lead-free, RoHS-compliant nature is perfect for modern electronics assembly in Delhi. Its no-clean formula saves time on cleanup, and the authentic USA import guarantees consistent performance for professional results.

Specifications & installation

Specifications

Primary ComponentsResin, Ethanol, Methanol
Solids ContentLow
Residue TypeNon-ionic, Non-corrosive
AllergensContains Methanol

Installation & usage

DirectionsApply a thin, even layer to the soldering area using the integrated applicator. Heat joint with soldering iron and apply solder. Allow to cool.
Recommended UseElectronics assembly, PCB rework, wire tinning, general electronics repair.
Shelf life after opening12 months (category default for liquid consumables)
Cost per use59 ml bottle at 1 ml/use = 59 uses: ₹57.80 per use
ContraindicationsNot for plumbing or non-electrical metal joining. Avoid prolonged skin contact or inhalation of fumes without ventilation.

How we compare

FeatureKester 951 No-CleanOthers
Authenticity & SourcingGenuine Kester product, imported from authorized US retailers and brand partners.Varies by brand; authenticity and sourcing transparency can be inconsistent with local options.
Formula TypeNo-Clean, Low Solids Content, Resin-based.May include rosin-core, water-soluble, or acid-core; cleaning requirements vary significantly.
ResidueMinimal, non-corrosive, typically transparent or lightly colored.Can range from minimal to requiring thorough cleaning; potential for corrosive residues.
RoHS ComplianceYes, Lead-Free.Varies by brand; some local products may not explicitly state RoHS compliance.
Cost per use59 ml bottle — ₹57.80 per useLocal 50ml bottles typically range from ₹300-₹600, depending on brand and type.

Product details

SKUjrs0415
GTIN0735255751765
BrandKester
Model Number951
Product Name951 Liquid Soldering Flux
Volume59 ml (2 oz)
FormulationNo-Clean, Low Solids Content
Lead FreeYes
RoHS CompliantYes
CompatibilityLead and Lead-Free Solders
MaterialResin
Dimensions4 inches L x 2 inches W x 2 inches H
Country of OriginNot stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

About Kester

Kester is a trusted global brand renowned for high-performance soldering materials, essential for electronics manufacturing and repair.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

Customer Reviews

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FAQ, See What Others Asked

Is Kester 951 flux suitable for electronics in India?
Yes, Kester 951 No-Clean Liquid Soldering Flux is highly suitable for electronics work in India. Its lead-free, RoHS-compliant formulation ensures it meets international standards for sensitive electronic components. The low residue characteristic is beneficial in varying Indian climates where humidity can sometimes affect solder joint integrity. It's compatible with both leaded and lead-free solders commonly used in electronics.
What is the difference between rosin core solder and liquid flux like Kester 951?
Rosin core solder has flux integrated within the solder wire itself, melting and flowing with the solder to clean the joint. Liquid flux, like Kester 951, is applied separately to the joint area before soldering. Kester 951 is a no-clean formula, meaning it leaves minimal residue that is typically non-corrosive and doesn't require removal, ideal for delicate PCBs.
Can I use Kester 951 flux with leaded solder in India?
Yes, Kester 951 flux is compatible with both leaded and lead-free solders. While it is lead-free and RoHS compliant itself, it effectively cleans and promotes solder flow for traditional tin-lead alloys as well. This makes it versatile for various electronics repair and assembly tasks you might encounter.
How should I store Kester 951 flux in India's climate?
To maintain optimal performance in India's ambient conditions, store the Kester 951 flux bottle tightly sealed in a cool, dry place away from direct sunlight. While it's a no-clean formula, keeping it sealed prevents evaporation of solvents and contamination, ensuring its effectiveness for future soldering projects.
How to buy authentic Kester 951 flux in India?
Purchase authentic Kester 951 flux from authorized US retailers and authorized brand partners exclusively through crowcrowcrow.com. We import products per order, ensuring they are factory-sealed and genuine. All customs duties and GST are included in the listed price, with ExpressBox tracked delivery to your Indian pincode.
What are the benefits of using a no-clean flux?
No-clean flux, like Kester 951, leaves behind minimal, non-corrosive residue after soldering. This significantly reduces the need for post-soldering cleaning, saving time and effort, especially on intricate PCBs. The residue is typically transparent or lightly colored and does not interfere with circuit function or long-term reliability.

Frequently bought together

Kester 951 No-Clean Liquid Soldering Flux 59ml (2 oz) | RoHS Compliant for Electronics

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Kester 951 No-Clean Liquid Soldering Flux 59ml (2 oz) | RoHS Compliant for Electronics

₹3,410

Kester 951 No-Clean Liquid Soldering Flux 59ml (2 oz) | RoHS Compliant for Electronics

This item

Kester 951 No-Clean Liquid Soldering Flux 59ml (2 oz) | RoHS Compliant for Electronics

₹3,410

Total price:

₹7,210

You save ₹3,530 (33%) Extra

3 items selected

3 items

₹7,210

You save ₹3,530 (33%) Extra

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Rating
4.50(329)
4.88(8)
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4.50(340)
4.50(11K+)
4.70(28K+)
5.00(12)
Brand NameKesterQUIMTECHQUIMTECHEagle AbrasivesRubbermaidACCUSHARPSorority Shop
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹3,410₹5,270

You Save ₹1,860

Estimated delivery: Doorstep delivery by 4 Nov - 6 Nov from USA
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Packed & shipped
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You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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