
Visitor badges that expire on their own
Two-part system: This expiring indicator is not a full solution. A compatible badge back with a spot area is required for use.
The Genuine TEMPbadge T6427 is a 7/8 inch round self-expiring TIMEspot indicator with a green C for contractors and a half-day timer, sold in a box of 1,000.
How it works
Apply the TIMEspot dot to the round spot area of a TIMEspot badge back. Application starts the half-day chemical timer, and in about 4-6 hours the red line pattern on the back shows through the dot to signal that the badge has expired.
What you need
This indicator is one half of a two-part system. A TIMEspot badge back is required and is sold separately: T4103A adhesive thermal printable, T5812A adhesive handwritten VISITOR, 05587 clip-on handwritten VISITOR, or T6059A adhesive spot back.
Specifications
- Size: 7/8 inch round
- Pack: Box of 1,000
- Personalization: None, preprinted green C
- Attachment: Adhesive, applies to the spot area of a TIMEspot badge back
- Expiration: Half-day timer, expires in about 4-6 hours
This product comes in packs of 1,000 badges. Ordering a quantity of 1 means you will receive one box of 1,000 badges.
Made to order. This item is produced fresh by the factory, typically about 8 weeks, because the chemical timer performs best when fresh. Contact us for the current lead time.
The color builds until the badge reads expired
Once the badge is activated, dye migrates at a steady rate and the expiring area shades from white to pink to red. These are the actual TEMPbadge lab shade charts; the dashed box marks the recommended expiration time.

Times are approximate. The timer is chemical: warmth and humidity speed it up, cool dry air slows it down.
Expiration times are guidelines, not exact clocks. The timer is chemical and made for indoor use: warmer or more humid air runs it faster, cooler and drier air runs it slower.
Want the layer-by-layer detail? Download the Anatomy of a TEMPbadge PDF.



































