Low voiding is a significant advantage that provides high manufacturing yields, superior in-service performance and a high level of product reliability. The ALPHA® AccuFlux® Preform manufacturing process is unique in that it guarantees that each preform will have the same amount of flux, within a tightly controlled range. Another key consideration is the low flux weight percent required to yield good solder wetting, the result of which is lower levels of residual flux in no clean applications.