Vacuum flask brazing glass solder lead free

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Product Brand : HBF1603

This product is lead-free glass solder, which can completely replace lead solder for high-quality hermetic connection of stainless steel vacuum flasks such as SUS304 and SUS201. The sealing temperature is low, the air tightness is high, the bonding strength is high, the product quality is stable, and the comprehensive performance has reached the international advanced level.

Vacuum flask brazing glass solder lead free
vacuum flask sealing glass
vacuum cup sealing glass solder
stainless steel cup soldering material lead

Product specification	Diameter (mm)	Thickness (mm)	Weight (g)
	5.2+1.0	2.8±0.5	0.15±0.19
Color	Coefficient of expansion	Softening point (TS)	Sealing temperature
Black	125x 10-7K-1	310℃	510~ 550℃

 

Component	P2O5	SnO	ZnO	Al2O3	B2O3	other
WT%	< 50	< 70	≤5	≤5	≤10	≤5