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8540.89.00.60/Solar Blind Phototube/Canada

Solar Blind Phototube from Canada

CsTe solar blind phototube with response peak at 220nm and sharp cutoff at 320nm for ozone monitoring and flame detection. Vacuum tube construction eliminates solar interference in UV spectroscopy. Classified under HTS 8540.89.00.60 as specialized light-sensing tube for UV spectrum.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• UV transmission window specifications distinguish from visible response tubes

• NIOSH certification may be required for industrial hygiene monitoring applications

• Declare cathode activation process to verify solar blind spectral cutoff

Solar Blind Phototube from Canada — Import Duty Rate | HTS 8540.89.00.60