Other
Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps and light sources, cathode-ray tubes or the like. > For cathode-ray tubes > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 7011.90
Blacklight Fluorescent Tube
A Wood's glass tube envelope for blacklight fluorescent lamps, used in inspection and non-destructive testing. The open glass tube filters UVA light while blocking visible light, and is without fittings or phosphor coating.
7011.90.00Borosilicate Lamp Tube
An open-ended borosilicate glass tube used as an envelope for fluorescent lamps and gas discharge tubes. It is without fittings and meets the definition of glass envelopes for electric light sources.
7011.90.00Dental Curing Lamp Bulb
A quartz glass bulb envelope for dental composite curing lamps, emitting blue light. The open design has no reflector fittings and is classified as a glass part for electric lamps.
7011.90.00Endoscope Light Guide Tube
A glass tube envelope serving as a light pipe for fiber optic endoscope cold light sources. It is an open quartz glass tube without fiber bundle fittings, used for electric lamp envelopes.
7011.90.00Fused Quartz Bulb Envelope
A high-purity fused quartz open bulb envelope used in UV lamps and high-temperature light sources. It is without fittings and qualifies as an open glass envelope for electric lamps.
7011.90.00Halogen Lamp Quartz Tube
A transparent fused quartz tube envelope for halogen cycle lamps operating at high temperatures. It is an open glass part for electric lamps without fittings, and fused quartz is explicitly included as glass.
7011.90.00High Bay HID Lamp Envelope
A large borosilicate protective outer envelope for high bay metal halide lamps in industrial lighting. It is an open glass bulb without lamp fittings, designed for high ceiling warehouse applications.
7011.90.00Infrared Lamp Glass Bulb
An open ruby-tinted glass bulb envelope for infrared heating lamps and therapeutic lights. It is without reflecting coatings, and the tinting is achieved through glass composition, not surface treatment.
7011.90.00LED Phosphor Coating Tube
A glass tube envelope prepped for phosphor coating in LED phosphor-converted lamps. It is an open glass part for electric light sources, with the inner surface prepared but uncoated.
7011.90.00Mercury Vapor Lamp Bulb
An open hard glass bulb envelope for high-pressure mercury vapor discharge lamps. It is without electrode fittings and uses standard UV-transmitting glass composition.
7011.90.00Neon Sign Glass Tube
Soda-lime glass tubing bent to shape for neon and gas discharge signage lamps. It is an open glass envelope without fittings, and cutting and bending do not affect classification.
7011.90.00Projection Lamp Glass Cylinder
A heat-resistant borosilicate glass cylinder envelope for metal halide projection lamps in cinema and theater use. It has open ends without fittings for gas filling.
7011.90.00Stage Lighting Glass Gobos
Patterned glass tube sections used as envelopes in custom stage lighting effects lamps. The open design is without fittings, and patterns are created by batch coloring, not surface work.
7011.90.00UVC Germicidal Lamp Tube
A fused quartz tube envelope for low-pressure UVC germicidal lamps used in water and air purification. It is an open glass envelope transmitting UVC wavelengths without fittings.
7011.90.00Xenon Flash Tube Envelope
A precision borosilicate glass tube envelope for xenon flash lamps used in photography and strobes. It has an open design without end fittings and is designed for high shock resistance.