Products

Flux

Primary parameter

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Details

Product Number

Chemical Composition(%)

State

Temperature(℃)

Application

Property Characteristic

QFB-102

KHF2 ,H3BO3 ,Na2B4O7 ,KBF4

Powder

600~850

Used with Copper base/ Silver brazing filler materials.
Used to brazing Copper alloy, Steel, Stainless Steel parts.

Activity,Low hygroscopic

QFB-112

H2O ,KHF2 ,H3BO3 ,Na2B4O7,KBF4

Paste

600~850

QFB-103

KBF4

Powder

550~750

Activity, High hygroscopic, Less residue.

QFB-204

KF-ALF3 

Powder

560~620

Used with Al-Si filler metals.
Used to brazing Aluminum, Alumal parts.
Especially suitable for Nitrogen protection brazing.

Activity, Low hygroscopic.
Non-corrosion residue, no need for cleaning.

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