Grand Chemical
Optical Brightener DT
Optical Brightener DT is supplied by Shandong Grand Chemical for polyester pad, polyester exhaust. Stilbene derivative (slurry). Use the specification table below; figures that are not printed on the source product page are marked TBC or omitted.
polyester padpolyester exhaust
Specification
| Form | Slurry |
|---|---|
| Solid content | ≥2.0 |
| pH | 7.0 ± 1.0 |
| Note | Mill of PF powder; CI/CAS not printed on the source page |
| Appearance | Light yellow slurry |
| Shade | Reddish blue |
| Dosage (source) | Pad 0–30 g/L (two-bath two-pad, pickup 70%, prebake 100 °C, set 180–190 °C 20–30 s). Exhaust 1–3% owf, bath 1:10–30, 80–130 °C, 30–45 min, pH 5–10. Withstands 160 °C bake. |
| Packing | 25 kg plastic drum |
| Shelf life | 6 months |
| Synonyms on source page | DT slurry |
What this grade is for
- Polyester pad and high-temperature exhaust slurry.
- Shelf life 6 months on the source page.
Questions we actually get
What is DT used for?
Optical Brightener DT is listed for polyester pad, polyester exhaust.
Do you publish a price?
No. The live catalog does not list prices. Ask for a quote with your polymer or fiber, process temperature and monthly volume.
Can I get TDS / COA / SDS?
Yes — request the current document set by WhatsApp or email. This site does not host downloadable PDFs because the source site does not publish a document library.
