Sequoia Extract

Sequoia Extract, derived from the seed cones of Sequoia sempervirens (California Coastal Redwood), represents a unique and rare natural dye source. Known for its environmentally sustainable production as a byproduct of seed collection and reforestation programs, this dye is available in limited quantities. It is prized for the rich purple-brown shades it imparts, especially on protein and cellulose fibers. Alfa Chemistry provides this rare natural dye as part of its dedication to offering high-quality, sustainably sourced chemical products, ensuring that clients have access to the best natural dyes available on the market.

Dyeing Properties of Sequoia Extract

Sequoia Extract delivers distinctive purple-brown hues, a rarity among natural dyes. The intensity of the shade depends on the concentration of the extract and the fiber used, with the most vibrant results achieved at 15% WOF (weight of fiber). However, its lightfastness is moderate, meaning exposure to sunlight may cause some fading over time, though this does not detract from its popularity among artisanal dyers.

Mordanting for Optimal Dye Absorption

To achieve the best results with Sequoia Extract, proper mordanting is essential. For protein fibers, such as wool or silk, an alum mordant at 15% WOF is recommended. Cellulose fibers, like cotton or linen, require a more complex mordanting process. First, treat the fibers with tannin at 8% WOF, followed by an alum mordant at 15% WOF, or alternatively, use alum acetate at 8%. These mordants help the dye bond with the fiber, ensuring that the color is both vibrant and long-lasting.

Dyeing Process

The dyeing process with Sequoia Extract is straightforward but requires careful attention to temperature and timing. The dyestuff can be added directly to the dyebath without requiring any pre-treatment. Start by covering the dye material with water in the dye pot and gently heat the solution to around 60°C (140°F). Maintain this temperature for about an hour to allow the dye to extract fully. Afterward, introduce the fibers into the dyebath and continue cooking for an additional 1-2 hours, ensuring thorough color absorption. Alfa Chemistry offers detailed guidelines and high-quality Sequoia Extract to support this process.

Applications and Artistic Value

Sequoia Extract is most commonly used in textile dyeing, where it produces a range of brown and purple tones, depending on the concentration and mordant used. Its appeal lies in its rarity and the subtle, natural hues it imparts, making it ideal for small-scale, high-end craft projects and eco-conscious fashion. While its moderate lightfastness may limit its use in large-scale, commercially produced garments, it remains a favored choice for artisans seeking sustainable and unique dye options.

It is important to note that our products are for research use only and are not for clinical use.