Blockade
PN: BK220R1


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Blockade®

Description: Phosphorus Tin Silicon Brazing Alloy

BLOCKADE is a proprietary phosphorus-tin-silicon alloy engineered as an inexpensive alternative to copper-copper and copper-brass alloys. It is self-fluxing on copper and its lower melting temperature makes it an excellent choice for brass connections. BLOCKADE flows rapidly but can be used to "cap" brazed joints.

Brazing
  • Part NumberSize
    BK220R2MM DIA x 20" (508mm) - 25# (11.34kg) Package
    BK220R12MM DIA - 20 Stick Tube
    BK520R3/32" DIA x 20" (2.38mm x 508mm) - 25# (11.34kg) Package
    BK536R3/32" DIA x 36" (2.38mm x 914mm) - 25# (11.34kg) Package
    BK636R1/8" DIA x 36" (3.17mm x 914mm) - 25# (11.34kg) Package
    Click Part Number to view its Typical Certificate
  • Chemical CompositionSolidusLiquidusFluidity RatingRecommended Joint ClearanceAWS
    Cu - Proprietary%
    P - Proprietary%
    Ag - Proprietary%
    1178° F
    637° C
    1247° F
    674° C
    7.002" / .005"BCuP-9
    The higher the fluidity rating, the faster the alloy flows within the melting range. Blockade has good fluidity, yet it has the unique ability to form a cap at the joint.
  • MSDSSpec SheetRoHS CertificationTips on Cutting