cold water mordant Archives - Botanical Colors

Mordant Monday: Middle Mordant Magic

In this week’s Mordant Monday, we discuss Middle Mordant. Middle Mordant is a technique that I learned about from The Art and Science of Natural Dyes. It’s considered to be a Japanese technique and is a simple way to create rich color on silk. Middle mordant uses room temperature dye baths and you can repeat the process until the fabric is the color you want. The purpose of middle mordant is to deepen the depth of shade and most of the examples I’ve seen use silk fabric and alum mordant. There are somewhat similar techniques that old dye books discuss, … Read more

You Asked, Kathy Answered: Reusing a Liquid Logwood Dye Bath

We get lots of emails from customers about challenges with dyeing and needing Botanical Colors’ President Kathy Hattori’s help. Why not share the learning so we can all benefit? From our inboxes to you, it’s simple: You Asked, Kathy Answered. Email questions@botanicalcolors with your plea for help! YOU ASKED: I am learning to use dye blankets in my botanical prints. I want to make a logwood pot that would be used multiple times. Here are my varied questions: Thanks for your time. LOVE your website and helpful info, to say nothing of the Beginners Dye Kit. Taking the cold water … Read more

MORDANT MONDAY: Will Mordant Wash Out Without Tannin?

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: I have been contacting a well-published natural dyer and they say that the aluminum mordants will be washed out of the fiber without pre-treatment with tannin. Do you have any theory why the triformate is able to mordant without a tannin ? Have you got any data on the wash and light fastness of the triformate on cotton? KATHY ANSWERED: Alum on cellulose performs better with a tannin pre-treatment. However, we have not noticed that the mordant … Read more

Video of Live Q&A For (New Cold Water Mordant) Aluminum Triformate

Check out our video recording and Q&A for our new cold water mordant Aluminum Triformate! Botanical Colors’ President Kathy Hattori took us on a one hour review on and demo using aluminum triformate. She showed show results of tests and experiments using the cold water mordant and answered lots of questions. Watch the recording here. Shop Aluminum Triformate here About: Aluminum triformate is a room temperature mordant for all natural fibers including wool, silk, cotton, hemp and linen. It also works on a gpL (grams per Liter) calculation or a weight of fiber (WOF) percentage and we’ve used it successfully with … Read more