Optical Brightener for Polyester ER-1 enhances fabrics like polyester, polyester-cotton, polyester-silk, and polyester-linen. Manufactured and exported by Hebei Wanfa New Material Technology Co. Ltd, this product is a chemical solution in a slight yellowish slurry liquid form.

It emits a blue-violet light, maintaining a pH value of 5-7, with over 99% granularity under 2µ, and exhibits non-ionic ionicity.

Boasting high whiteness and strong fluorescence, ER-1 requires low dosage, improving printing and dyeing quality while reducing production costs.

Technical Index:

• Appearance: Slight yellowish slurry liquid
  
• Shade: Blue-violet light
  
• PH value: 5-7
  
• Granularity: under 2µ≥99%
  
• Ionicity: non-ionic

This product has high whiteness, strong fluorescence, low dosage, can improve the quality of printing and dyeing, and reduce production costs; it does not contain 24 kinds of aromatic amines, formaldehyde, and APEO that are banned internationally. It is non-toxic, non-carcinogenic, safe to use and environmentally friendly.