Direct Fast Light Blue FFRL (Direct Blue 108)

1. Product Overview

Direct Fast Light Blue FFRL is a bright bluish direct dye widely used in cotton, viscose, paper, and silk dyeing.

It provides a clear sky-blue shade, excellent solubility, and good leveling properties on cellulosic fibers.

• CI Name & No.: Direct Blue 108

• CAS No.: 1325-87-7

• Category: Direct dye

• Appearance: Blue powder

• Shade: Light brilliant blue

• Key Features: Excellent leveling, bright shade, good light fastness

• Markets: Cotton, viscose, silk, paper industries

2. Technical Specifications

3. Performance & Fastness

• Wash fastness: 3–4 (ISO 105-C10)

• Light fastness: 5–6 (ISO 105-B02)

• Rubbing fastness: Dry 4 / Wet 3 (ISO 105-X12)

• Leveling: Very good on cotton and viscose fibers

• Build-up: Produces clear and even sky-blue shades

4. Applications

• Cotton fabrics – yarn, woven & knitted textiles

• Viscose & rayon – smooth shade development

• Silk – clear, brilliant blue shade for luxury fabrics

• Paper coloration – light blue shade for decorative & specialty papers

• Blends – cotton/polyester and cotton/viscose fabrics

5. Quality & Compliance

• COA provided with each batch (Shade, Strength, Moisture, pH)

• APEO-free, compliant with EU restricted azo dye standards

• Low heavy metals in line with international textile safety requirements

• SDS available (English; other languages on request)

6. Packaging & Logistics

• Standard: 25 kg P.W. bag / carton / iron drum

• Bulk: 500–1000 kg jumbo bags available

• MOQ: 100 kg (trial order) / 1 MT (bulk)

• Delivery: 7–10 days from warehouse

• Shelf life: 24 months (dry, ventilated storage)

• Ports: Tianjin / Qingdao / Shanghai

7. Samples & Support

• Free laboratory samples (10–50 g) available

• Courier freight to be paid by customer (DHL / UPS / FedEx account)

• Technical support: shade matching & dyeing guidance

8. Related Products

• Direct Yellow R (Direct Yellow 11) – direct yellow dye for cotton & viscose

• Sulphur Blue BRN (Sulphur Blue 7) – deep navy sulphur dye for cotton, denim, and workwear

• Vat Blur RSN (Vat Blue 4) – reddish-blue vat dye with excellent fastness for denim & uniforms