PET Material Photoluminescent Film
 | PET Material Photoluminescent Film
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Product Description
Detectable Tech Company is a manufacturer of pet material photoluminescent film for emergency signs, safety overlays, equipment labels, and die-cut guidance parts. The film is built with a dimensionally stable PET base film and a uniform luminous coating, so it handles more cleanly during slitting, lamination, kiss cutting, and die cutting. For production use, typical sample checks include roll flatness, 10 min and 60 min luminance, surface compatibility, and die-cut edge performance before bulk fabrication.
Product Photos
Technical Data Sheet
Item | Typical Value |
Product type | PET material photoluminescent film |
Base film | Dimensionally stable PET base film |
Luminous layer | Strontium aluminate based luminous coating |
Daytime color | Pale yellow-green |
Glow color | Green afterglow |
Total thickness | 0.20-0.35 mm typical/reference |
PET base film thickness | 75-125 um typical/reference |
Regular roll width | 1.22 m, 1.24 m, custom slit width available |
Roll length | 25 m, 45.7 m, 50 m typical/reference |
Width tolerance | +/-1.0 mm typical/reference |
Slitting tolerance | +/-0.5 mm typical/reference for narrow rolls |
Surface option | Printable/coatable surface after suitable treatment |
Adhesive option | Permanent pressure-sensitive adhesive or non-adhesive film |
Release liner | 120-140 gsm paper liner, PET liner option by request |
10 min luminance | >=140 mcd/m2 typical/reference after controlled charging |
60 min luminance | >=20 mcd/m2 typical/reference after controlled charging |
Charging condition for sample check | D65 light, 1000 lux, 5 min typical/reference |
Low curl observation | <=5 mm curl height after 24 h flat placement, sample dependent |
Die-cut edge observation | Low burr, no visible stretch on 25 mm sample strips under reference cutting |
Peel adhesion option | 8-15 N/25 mm typical/reference on clean aluminum |
Overlay lamination check | 24-72 h edge lifting observation recommended |
Surface treatment check | Ink adhesion, coating wet-out, and readable brightness should be sample confirmed |
Service temperature | -10 C to 60 C typical/reference |
Application temperature | 10 C to 40 C recommended |
Product Overview
This PET base luminous film is made for sign and overlay work where the carrier film must stay flat, stable, and easy to convert. A soft glow material may be acceptable for simple labels, but emergency signs, control panel overlays, and repeated die-cut shapes need better dimensional control. The PET carrier helps reduce stretch during rewinding, sheet cutting, kiss cutting, and overlay lamination, especially when narrow markers or repeated safety parts are produced from wide rolls.
For regular production, roll width control is not a small detail. In typical/reference checks, standard roll width tolerance can be controlled around +/-1.0 mm, and narrow slit rolls can reach around +/-0.5 mm depending on the requested width, roll length, and winding condition. This helps sign converters reduce alignment waste during printing, lamination, and cutting.
The luminous coating stores light from indoor illumination and releases visible guidance in low-light or power-failure conditions. Instead of judging the material only by general glow duration, production teams can check brightness after controlled charging, such as D65 light at 1000 lux for 5 min, then record luminance at 10 min and 60 min. For printed or coated overlays, the PET surface should also be tested for ink anchorage, coating wet-out, edge lifting, and readable brightness after lamination.
Benefits
- PET base film helps the material stay dimensionally stable during roll converting, overlay lamination, and repeated die cutting.
- The low-curl PET construction keeps sign inserts flatter during storage, lamination, and panel application.
- Uniform luminous coating supports clearer emergency graphics after charging and during early afterglow.
- Treated PET surface can be matched with selected inks, coatings, or lamination systems after sample testing.
- Die-cut PET luminous parts can keep cleaner edges for exit signs, equipment labels, stair indicators, and safety markers.
- Typical roll width tolerance around +/-1.0 mm helps reduce alignment waste in sign and overlay production.
- 10 min and 60 min sample luminance checks give a more practical comparison than simple glow-duration claims.
How can PET base film improve converting accuracy for emergency sign overlays?
PET material photoluminescent film is useful when the finished part needs shape control, not just a visible glow. The PET base film supports the luminous coating during rewinding, laminating, kiss cutting, die cutting, and overlay assembly, so narrow exit markers, equipment labels, and safety sign inserts can keep cleaner edges. In typical/reference cutting checks, 25 mm wide die-cut strips can show low edge burr and no visible stretch under standard flat-bed cutting conditions. Low curl after 24 hours is also important when long roll widths or repeated cutting patterns are used for overlay production.
Applications
- Emergency exit signs and evacuation route indication panels that require stable PET film flatness.
- Safety overlays for instruction plates, machine panels, and low-light direction markers.
- Die-cut arrows, strips, dots, labels, and equipment position indicators with cleaner edge control.
- Stair edge markers, handrail guidance strips, and corridor direction signs for low-light guidance.
- Control panel overlays where low curl, readable luminous coating, and PET dimensional stability are important.
- Sign inserts and printed safety parts that need sample luminance confirmation before bulk fabrication.
What should be checked before using PET material photoluminescent film for emergency signs?
Before bulk production, the sample should be checked under real emergency sign conditions, not only by viewing it in a dark room. A practical luminance check records brightness after controlled light charging, especially at 10 minutes and 60 minutes, because these values better reflect evacuation visibility and extended low-light guidance. Sign converters can also verify PET film flatness, luminous coating uniformity, roll-width tolerance, adhesive or lamination compatibility, and die-cut edge cleanliness. For printed overlays, a small trial run can confirm whether the PET surface, luminous layer, and ink system work together without curling, cracking, edge lifting, or reduced readable brightness.
FAQ
Is this product mainly PET material?
Yes. It is built with PET base film and luminous coating, not as a mixed PVC, vinyl, or acrylic material series.
Can the PET surface be printed?
It can be prepared for selected printing, coating, or lamination processes. Ink adhesion should be checked with real samples before production.
What luminance data should be checked?
Check 10 min and 60 min luminance values after controlled charging, instead of relying only on general glow duration.
Can it be supplied as die-cut parts?
Yes. Rolls, sheets, slit rolls, adhesive-backed film, and die-cut PET luminous parts can be produced according to the required converting method.