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Blockade is a proprietary phosphorus-tin-silicon alloy engineered to provide a low cost alternative to silver bearing filler. - details see: https://www.machineto.com/harris-blue-brazing-rod-10219359

Harris BLOCKADE(Silicon Brazing Alloy Copper)

1.Blockade is the first of a new family of silicon/tin alloyed brazing filter metals. Blockade is engineered to join copper, brass or bronze.

2.Outstanding ability to form a large shouder, or cap, at the braze connection

Excellent for the air-conditioning and refrigeration industy

A highly visible silver-gray cap(fllet) This allows quick,accurate,and visual confirmation of a leak free seal.

3.Nominal chemical composition:

Silver-0%

Phosphorus-6%

Copper-94%

For copper or brass. Reduced brazing emperature, visible braze allows easy joint inspection. Excellent for HVAC application.

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