Low silver content bar solder

  • Lead-Free Alloys
  • Lower material costs compared to SAC305
  • Fast wetting and wide process window
  • Low dross formation
  • Low copper dissolution (low copper leaching)

The Vaculoy process

ALPHA Vaculoy solders are manufactured from high-purity raw materials.

The company’s own Vaculoy process produces alloys with lower viscosity and reduced dross content. The result is a high-purity solder alloy that is free from moulded-in impurities and trapped oxides.

This proprietary process step prior to casting results in the following advantages:

  • Removal of finely dispersed suspended oxides contained in the raw materials
  • Increased flowability, resulting in fewer soldering defects
  • Reduced dross formation ensures that solder baths remain clean for longer.

ALPHA SACX Plus 0807

ALPHA SACX Plus 0807 is a lead-free alloy with a low silver content that has been specially developed with proprietary additives to achieve similar soldering and reliability results as SAC alloys with a higher silver content. The SACX 0800 variant is used to stabilise/reduce the copper content in the wave solder bath. Its use depends on the respective process conditions.

ALPHA SACX Plus 0807 can be used for the widest range of assemblies and operating conditions of all low-silver or silver-free alloys available today.

Features ALPHA SACX Plus 0807

  • SAC305-like performance
  • Fast wetting and wide process window
  • Strong, ductile bond for high mechanical reliability
  • Lower material costs than SAC305
  • Low dross formation
  • Low copper dissolution (low copper leaching)

ALPHA SACX PLUS 0307

ALPHA SACX Plus 0307 is a low silver, lead-free alloy that can be used as a replacement for SnPb, SAC305 and other low silver SAC alloys in wave soldering, pre-tinning and rework processes.

ALPHA SACX Plus 0307 has been developed for improved performance in terms of copper dissolution during long and hot exposure times.

Features ALPHA SACX PLUS 0307

  • Low silver content for lower material costs
  • Low dross content
  • Low copper dissolution
  • Excellent mechanical reliability
  • Fast wetting and wide process window

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