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
    BK220R1/32" dia x 20" (2 mm dia x 508 mm) 25 lb (11.34 kg) - 1 Package
    BK220R11/32" dia (2 mm dia) - 20 Stick Tube
    BK520R3/32" dia x 20" (2.38 mm dia x 508 mm) 25 lb (11.34 kg) - 1 Package
    BK536R3/32" dia x 36" (2.38 mm dia x 914.40 mm) 25 lb (11.34 kg) - 1 Package
    BK636R1/8" dia x 36" (3.18 mm dia x 914.40 mm) 25 lb (11.34 kg) - 1 Package
    Click Part Number to view its Typical Certificate
  • Chemical CompositionSolidusLiquidusFluidity RatingRecommended Joint ClearanceAWS
    Si - 0,02%
    Cu - 86,80%
    Sn - 6,50%
    P - 6,50%
    Others - 0,15%
    		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.
    Click here to view Actual Certificates
  • Spec SheetRoHS CertificationGuide