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Velzon® Key is a versatile and effective product tailored for dispersion and leveling performance, even with high molecular weight dyestuffs, on various substrates like polyester fibers, yarns, and fabrics. It finds applications in textile manufacturing and serves as an industrial additive, particularly in textiles and yarns. Velzon® Key enhances brilliancy and fastness and imparts a softer feel to the materials. Moreover, it ensures excellent dyeing results, particularly in terms of migration and leveling.

Functions: Leveling Agent

Compatible Fibers: Polyester

End Uses: Textiles, Yarn

Features: Excellent Dispersibility, Good Fastness, High Dyeability, High Molecular Weight, Softness

Knowde Enhanced TDS

Identification & Functionality

Industrial Additives Functions

Features & Benefits

Key Performance Feature
  • Excellent dispersing with all type disperse dyes
  • Good dyeing results at 2-5°C / minute heating gradient
  • Gives better brilliancy, fastness and softer feel
  • Excellent dyeing result for migration and levelling

Applications & Uses

Markets
Compatible Substrates & Surfaces
Industrial Additives End Use
Applications
  • Velzon® Key is suitable for use on polyester fiberes, yarns, and fabrics.
  • It gives the desired result in low doses.

Recommended Dose Level:

Colour Shade Fabric Yarn Fiber
Dark (4% above) 0.5 g/L 0.5 g/L 0.5 g/L
Medium (2% - 4%) 0.375 g/L 0.5 - 1.0 g/L 0.5 - 1.0 g/L
Light (min. 0.25% - 2%) 0.5 g/L 1.0 - 1.5 g/L 1.0 - 1.5 g/L

Properties

Physical Form
Appearance
Yellowish clear liquid
Physical Properties
ValueUnitsTest Method / Conditions
Solid Content42 - 48%HE73 / 01, Mettler Toledo, 160°C.
pH (at 25°C)4 - 6-pH 7110, Inolab

Packaging & Availability

Packaging Information

Velzon® Key is available in 200 kg drum and 950 kg IBC.

Storage & Handling

Storage Conditions
  • Velzon® Key has a shelf-life of at least 1 year from date of manufacture when stored at ambient temperatures, preferably below 38°C.
  • Keep containers sealed when not in use to avoid absorption of water from the atmosphere.