20g Container Hema-Color Logwood Extract color nuances from blue-violet, anthracite to black are achieved.
Required quantity ca.0,5-5,0% of the dyeing weight.
Required stain for wool and silk alum (ca.10%)
Cellulose substances ca.3% tannin or tannin light and then ca.10% alum stain
HEMA-COLOR is the non-oxidised extract made of Logwood Haematoxylum campechianum L. Different shades of blue-violett, anthracite to black colors with HEMA-COLOR are possible by using of aluminium or iron mordanted products. Logwood is the most important dye wood. The wood and extracts have been used since ancient time in leather and textile industry. It is an evergreen tree grows up to 15 m and is native in Central- and South America.
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