Dragonsorb®-326 is an important ultraviolet absorber of bonzotriazole series, which is stable, nontoxic, higher absorbency for ultraviolet ray. widely used for photosensitive materials and poly merized material, coating and so on.
Apprearance | Slightly yellow powder | |
Melting Point / ℃ | 138 | |
≤0.5 | ||
Ash / % | ≤0.5 | |
Content / % | ≥99.0 | |
Transmittance / 460nm | ≥97% | |
Transmittance / 500nm | ≥98% |