Photoinitiator TPO/(2,4,6-trimethylbenzoyl)diphenylphosphine oxide CAS No.:75980-60-8
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Category：Chemical Additives Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Photoinitiator TPO (2,4,6-Trimethylbenzoyl)diphenylphosphine Oxide
CAS No.: 75980-60-8
Appearance: Yellow powder.
Specifications
- Purity: ≥99.0% (Tested: 99.62%)
- Moisture: 0.14%
- Loss on Drying: 0.35%
- Density: 1.12 g/mL at 25 °C
- UV Absorbance (260 nm): 0.03
Applications
- UV-Curable Inks & Coatings:
- Screen printing inks, lithographic/flexographic inks, wood coatings.
- Effective curing on white or high-titanium dioxide pigmented surfaces.
- Industrial Use:
- Widely applied in coatings due to excellent UV absorption and curing efficiency.
Packaging & Transportation
- Standard Packaging: 1 kg/bag; 25 kg/cardboard drum.
- Custom Packaging: Available per buyer’s request.
Storage
- Store in a dry, ventilated warehouse.
- Protect from sunlight, moisture, and open flames.
Summary:
Photoinitiator TPO’s high reactivity and broad compatibility make it ideal for UV-curable inks and coatings, especially in pigmented systems. Its low moisture and thermal stability ensure reliable performance, while strict storage protocols mitigate degradation risks.
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