Q1: Why is your fiber supplied in whole tow instead of fixed short cut length?
A1: Raw tow without fixed cutting allows clients to cut required lengths to match different spinning crafts, reduce raw material waste and adapt to diversified production requirements.
Q2: How long does the fiber keep glowing after light charging?
A2: After sufficient light absorption for 20 minutes, standard green glow fiber emits visible glow for multiple hours in total darkness. Glow duration depends on luminous pigment content.
Q3: Is the luminous fiber radioactive or harmful to human body?
A3: We use non-radioactive rare earth aluminate luminous powder with no radioactive elements. The fiber is non-toxic and skin-friendly, safe for children and close-fitting textiles.
Q4: Will luminous effect disappear after repeated washing?
A4: Luminous powder is integrated inside the fiber via melt spinning rather than surface coating. Glowing performance remains stable after multiple washing cycles without falling off.
Q5: What light sources can charge this luminous fiber?
A5: Natural sunlight, indoor LED, fluorescent lamps, and ordinary white light all work efficiently. No professional high-power UV equipment is needed.
Q6: Can this fiber blend with cotton or regular polyester fiber?
A6: Yes, compatible with cotton, common polyester, and viscose staple fiber for blended luminous yarn and composite fabrics.
Q7: Can I customize glow color besides regular lime green?
A7: Sky blue luminous color is available for bulk customized orders. Minimum order quantity required for special color production.
Q8: Do you provide free samples and accept bulk customization?
A8: Free small samples are offered for glow effect and spinnability testing. We support customized luminous concentration and glow color for large orders.