Product Introduction
As a UV absorber, Drometrizole is mainly suitable for polyester, epoxy cellulose acetate, polyvinyl chloride, polystyrene, plexiglass, polyacrylonitrile resin, etc. The maximum absorption wavelength range is 270-380nm. General dosage: 0.1-0.5% for thin products, 0.05-0.2% for thick products.
Function
It is used as UV absorber for polyester, polystyrene, acrylic resin, polyvinyl chloride and other plastics, fibers and coatings.
Certificate Of Analysis
|
Product Name |
Drometrizole |
Specification |
Company Standard |
|
Cas No. |
2440-22-4 |
Manufacture Date |
2024.3.15 |
|
Quantity |
120KG |
Analysis Date |
2024.3.21 |
|
Batch No. |
BF-240315 |
Expiry Date |
2026.3.14 |
|
Items |
Specifications |
Results |
|
|
Appearance |
Light Yellow Powder |
Conforms |
|
|
Assay |
≥99% |
99.1% |
|
|
Particle Size |
100% pass 80 mesh |
Conforms |
|
|
Loss on Drying |
≤1% |
0.17% |
|
|
Odor & Taste |
Characteristic |
Conforms |
|
|
Heavy Metals |
≤10ppm |
Conforms |
|
|
As |
≤1.0ppm |
Conforms |
|
|
Pb |
≤1.0ppm |
Conforms |
|
|
Hg |
≤0.1ppm |
Conforms |
|
|
Cd |
≤1.0ppm |
Conforms |
|
|
Total Plate Count |
≤1000cfu/g |
Conforms |
|
|
Yeast & Mold |
≤100cfu/g |
Conforms |
|
|
E.coli |
Negative |
Negative |
|
|
Salmonella |
Negative |
Negative |
|
|
Conclusion |
This sample meets the specifications. | ||
Inspection personnel：Yan Li Review personnel：Lifen Zhang Authorized personnel：LeiLiu
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