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GC OB

Technical Datasheet | Supplied by GreenChemicals SPA
GC OB by GreenChemicals is a 2, 5-thiophenediylbis (5-tert-butyl-1, 3-benzoxazole) optical brightener. GC OB can be used at elevated temperatures. It shows compatibility with polyesters, polycarbonate, polyamides, acrylics, thermoplastic polyurethane, polyvinylchloride, polyolefins, styrene homo- and copolymers.
ORIGINAL DATASHEET
GC OB
Technical Datasheet | Supplied by GreenChemicals SPA
ORIGINAL DATASHEET
Product Type
Optical Brighteners / Whitening Agents
Chemical Composition
2,5-Thiophenediylbis (5-tert-butyl-1,3-benzoxazole)
CAS Number
7128-64-5
Physical Form
Powder
Appearance
Yellow, Green
Product Status
COMMERCIAL
Applications/ Recommended for
  • Other Thermoplastic > Other Polyester
  • PA, Nylon
  • PC
  • PMMA
  • PS (Polystyrene)
  • PVC
  • TPE and TPV > TPO (or TPE-O)
  • TPE and TPV > TPU (or TPE-U)
  • Visual aspect & aesthetics > Whitening / brightening

GC OB Properties

Property

Value & Unit
Test Condition
Test Method
Content
> 99.0 %
Volatile component
< 0.50 %
Melting point
200 - 205 °C

Compatiblity with other products

Find products that are predicted to be compatible with GC OB.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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