Brazing Pastes and Solutions
QPAC binders in brazing are used to create stable, uniform, and adhesive pastes by suspending filler metal powders, enabling precise application of the filler metals in complex, high-volume, and vacuum or atmosphere furnace operations. The binders also provide the necessary tackiness to hold powders in place during assembly and burn off cleanly, preventing contamination between the joints.
Key benefits:
- Compatibility with a variety of filler metals
- Viscosities and molecular weights can be custom-tailored for a specific solution or paste requirements
- Both grades of QPAC are naturally “tacky,” and degrees of plasticity can be adjusted as necessary
- Decomposition is complete through three phases: solid, liquid, and vapor
- Decomposes completely between 220°C – 350°C, which can be as much as 100°C below the decomposition temperatures of other binders
- Very low ash residue with the complete burn-out of carbon
- Benign emissions, the products of combustion are carbon dioxide and water vapor, which are non-toxic, non-flammable, and environmentally safe
- Suitable for all sintering atmospheres
- Using QPAC as a binder in brazing pastes and flux improves capillary action through the joint
Industry applications include:
- Metal Brazing
- Automotive
- HVAC & Appliances
- Aircraft – Aerospace
- Electronics
Give us a call (302) 225-0100 or send us an email