TAMURA RMA-20-21TLead Paste
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    RMA-20-21T Features:

    · The shelf life is excellent in stability without change in the viscosity

    · RMA type flux

    · Stable printability is obtained with little change in viscosity during continuous printing

    · An excellent printability can be obtained for a fine pattern of 0.3mm pitch

    · Having a good solderability, adequate wettability is shown on various parts

    RMA-20-21T Parameter:

    ItemsRMA-20-21TTest methods 
    Alloy compositionSn62.8/Pb36.8/Ag0.4JIS Z 3282(1999)
    Melting point179~183℃According to DSC measurement
    Particle size of solder22-38μmAccording to laser diffraction method 
    Shape of solder powderSphericalJIS Z 3284(1994)
    Flux content10%JIS Z 3284(1994)
    Chlorine content 0.0%JIS Z 3197(1994) 

    JIS Z 3284(1994) 

    Viscometer, type PCU, manufactured by Malcom at 25℃

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