All of our black dyes are in the range VS (Vinyl Sulfone). The base being the Reactive Black 5.
We guaranty that all of our products are 100% stable, from the shade to the solubility, for minimum 1 year.
On request, a certificate of analysis may be issued for each order.
Here you will find our recommendations of industrial uses in PDF format:
BLENDWELL does not make the dye solution formatting.