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Brand

GALLUNOPTIMAL

FELDER-made solder and grease

GALLUNOPTIMAL solder

A 0.5 mm Sn100Ni+ wire with 2.2 % REL0 flux, the only solder here to name the standards it is made to.

GALLUNOPTIMAL grease

A 20 g tin classed corrosive to F-SW 12, for copper and brass, whose tin carries the hazard label the listing text does not.

GALLUNOPTIMAL parts and supplies, each one on the bench

  • FELDER Lötfett 20 g tin with a corrosive hazard pictogram, the word Gefahr and a zinc chloride content line

    GALLUNOPTIMAL Corrosive soldering grease F-SW 12 for copper and copper alloys, 20 g

    A 20 g tin of soldering grease from GALLUNOPTIMAL, made by FELDER in Germany, classed corrosive to F-SW 12, for soft soldering copper, brass, bronze and copper alloys in installation, repair and model work, with thorough cleaning of joints required.

    Form
    Grease, title
    Chemistry
    Active flux components, classed F-SW 12, second bullet; the tin in the product photograph states zinc chloride and DIN EN 29454.1, 3.1.1.C
    Residue and cleaning
    Corrosive; thorough cleaning of the joints required, second bullet
    Activity level
    Corrosive active flux, F-SW 12, title and second bullet
    Volume
    20 g, title and fourth bullet
    Dispensing
    Tin, fourth bullet
    Handling guidance
    Absent from the listing text — the tin in the product photograph carries a corrosive pictogram, the signal word Gefahr, a warning of serious eye damage and instructions to wear protective gloves, clothing and eye protection
    Amazon reference
    B0DZPL52G4 (same reference on 6 Amazon marketplaces)
    EAN
    4250078327714
    • A flux class given: F-SW 12, corrosive
    • Cleaning requirement stated plainly
    • Corrosive: residues must be cleaned off

    Best for: A model maker or repairer soft-soldering copper and brass who will clean every joint afterwards.

    ≈ 6 €
    Check price on Amazon
  • FELDER ISO-Core Ultra-Clear reel, 0.50 mm, 0.100 kg, 2.2 % flux, Sn100Ni+, distributed by GALLUNOPTIMAL

    GALLUNOPTIMAL Lead-free solder wire Sn100Ni+, 0.5 mm, 2.2 % halogen-free flux, 100 g, made by FELDER

    A 100 g reel of Sn100Ni+ lead-free solder wire from GALLUNOPTIMAL, made by FELDER in Germany: Sn99.25 Cu0.7 Ni0.05, 0.5 mm, with 2.2 % halogen-free Ultra-Clear REL0 active flux and a melting point of 227 °C, to EN ISO 9454-1.

    Alloy
    Sn100Ni+, micro-alloyed Sn99.25 Cu0.7 Ni0.05, lead-free, first bullet; the reel label in the product photograph reads Sn99.3CuNiGe
    Melting point
    227 °C, third bullet
    Diameter
    0.5 mm, title and fourth bullet
    Flux type and percentage
    2.2 % Ultra-Clear active flux, REL0, halogen-free, second bullet
    Net weight
    100 g reel, title and fourth bullet
    Handling guidance
    Absent from the listing — EN ISO 9454-1 and 1222 named, fifth bullet
    Amazon reference
    B0F8JFHR8M (same reference on 6 Amazon marketplaces)
    EAN
    4250078313038
    • Full alloy with nickel micro-addition: Sn99.25 Cu0.7 Ni0.05
    • Flux class given: REL0, halogen-free, 2.2 %
    • No handling guidance

    Best for: A maker soldering fine electronics who wants an alloy and flux described to a standard.

    ≈ 19 €
    Check price on Amazon

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