Tenacity 4a Flux 100gm (Supplied In A Bag NOT A TIN)...

"Dispensed in Resealable bags below 400gm Size"

Tenacity 4a Flux 100gm.

Genuine JM Flux, dispensed in plastic bags.

JOHNSON MATTHEY FLUX TENACITY 4A POWDER

A flux with more resistance to overheating, suitable for use with copper phosphorus alloys and silver copper phosphorous alloys. Working range +600 to +800°C.

Supplied with usage instructions