StarSil™ HAS 25

Hydrophilic Silicone Softener

Product Description

StarSil™ HAS 25 is a non-ionic, organo silicone softener, which when emulsified will develop a smooth hydrophilic finish on cotton, cotton/polyester or polyester fabrics. StarSil™ HAS 25 is particularly applicable to fabric which will be compressively shrunk such as shirtings, especially pin point oxford. StarSil™ HAS 25 is exceptionally stable and is compatible with all products typically used in textile finishing. StarSil™ HAS 25 can also be used to soften terry towel material.
Emulsions of StarSil™ HAS 25 may be added directly to the finishing bath. They may be applied as a pure finish or may be co-applied with resins or softeners. Typical application level is 1–3% owb. Try to avoid over-drying when applying to terry towel.

Typical Physical Properties *

Light yellow


Less than 5,000 cps

% Volatiles



Strong vinegar
* These items are provided as general information only. They are approximate values and are not considered part of the product specifications.
Special Properties
  • Hydrophilic functionality — very appealing hand
  • Stable emulsion — compatible with textile finishing chemicals


StarSil™ HAS 25 may be stored for six months at 6090°F (1632°C).

Emulsification Procedure
  1. Water 1: 54%
  2. DA 6: 12.5%
  3. PEG 400: 4%
  4. Starsil™ HAS 25: 25%
  5. Water 2: 4.4%
  6. Preservative: 0.1%

Charge 1, 2 and 3. Mix until clear and begin heating to 55 C. Charge 4. Mix until clear. Charge water 2 and preservative.