Image of NFC Icon Iron-On Patch NTAG424
Close up image of an NFC Icon Iron-On Patch NTAG424
 
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Side view of the NFC Icon Iron-On Patch NTAG424
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  1. Store
  2. NFC Garment Tags
  3. Icon Iron-On Patch NTAG424

Icon Iron-On Patch NTAG424

  • Simple black NFC Forum logo design
  • Iron-on Woven Patch
  • NTAG424 authentication NFC chip
This is our 35mm Icon iron-on patch with integrated genuine NXP NTAG424. The tag is integrated in between a woven material and iron on adhesive backing, perfect for quick and easy application to your garments or accessories. For domestic irons onto medium weight cotton, we consider wool setting, 20 seconds from the front or 25-30 seconds from the back with a medium-firm pressure is about right. For professional press, we consider 120 degree C, 8-12 seconds and 3KG force. Note that the NTAG424 is an advanced chip that requires specialised software for encoding and verifying the anti-counterfeit features. Usual NFC mobile apps cannot encode these chips to work with authentication. Ixkio tag management users can use the ixkio mobile app to encode for both redirect or API with full authentication.

Using NFC Tags in Clothing

Seritag stock and can supply a wide range of tags for smart clothing, garments, shoes and other wearables. We have extensive experience and are always happy to provide help and advice. A few things to consider : 

Durability

Generally, the choice is between a 'garment spec' label and a hard disc tag. 

Seritag created the term Garment Specification tags to define strengthened labels which are typically designed for up to 100 domestic washes. Our tags are either tested using thermal and humidity cycling or testing to the ISO6330 international standard for textile washing. They are slightly flexible. 

Hard disc tags are rigid PPS plastic tags typically from 20mm to 25mm in size. 

Our general advice is that if your project should not have any failed tags under any circumstances, you need to use a hard disc tag. If you don't expect the garment to be washed (collectables) or washed infrequently, you expect the tags only to be scanned early in their life and/or an occasional failure later in the garment's life is acceptable - use a Garment Spec label. 

Attachment

Most garment tags - both disc and label - would be attached behind a sew-on or iron-on label. Sew-on is typically the best choice for all tags but almost always for rigid disc tags. 

We can also supply sew-on disc tags which look like buttons and can be directly applied. We aren't keen on these as the central holes can restrict chip and antenna design and can often lead to a tag that can be difficult to scan. 

We usually stock some direct iron-on garment tags which can be ideal for placing tags during manufacture or for shorter term direct use. Generally, for longer use, direct iron-on tags should be placed behind a second iron-on or sew-on patch to keep them secure.

Logistics

One bit of advice we always give - start simple and grow. The logistics of adding NFC tags to clothing can get complicated quickly - as most factories aren't used to using smart labels. While it might be the goal for unique tags in every product line, size and colour - it might not be best to try and do that from day one.

Keep it generic, keep it simple. The grow. 

Management

Seritag offer our groundbreaking ixkio tag management platform for deployment and post-installation management of both standard and authentication NFC tags. Whether you need to create dynamic NFC tags so you can modify the links later or full featured authentication for anti-counterfeit, our software has all the features you are likely to need.  

More Information

To help you get started with creating clothing NFC, we've put together an Ultimate Guide to NFC Clothing

Using the Sample Iron-on Garment Patch

The iron-on sample patch is designed to help you test and develop. The patch does not contain an NFC tag. This is how you use it : 

  1. Apply a Garment Spec tag to the centre of the back of the iron-on patch
  2. Place the iron-on patch onto your garment
  3. Using a iron set at 'cotton' gently press the iron-on patch to the garment just until the patch holds
  4. Turn the garment inside out and now iron with some pressure from the back to the patch for 10-15 seconds 

This should fix the iron-on patch in place. 

Note that iron-on garment patches (and irons, clothing, etc) vary. We recommend testing first at low heat for short periods particularly on non-cotton fabrics. 

This patch is for testing and development purposes only. We don't recommend using this patch in a final product !

Authentication Tags Explained

A quick guide

A normal NFC chip, such as the NTAG213, NTAG215 or iCODE SLIX can store a URL (web link) in it's memory. When scanned, it presents this link to the scanner (a mobile phone for example). It presents the same link every time, in a similar way to a QR Code. 

An authentication NFC chip, such as the NTAG424, works differently. When the URL is encoded onto the tag, a secret key is also encoded, along with some other settings. When the tag is scanned, it presents the URL but also a unique code which is generated using this secret key. This unique code changes on every scan and can be verified using an authentication server which will hold the same secret key. 

Note that the full name for the NTAG424 chip is the NTAG424 DNA. We usually just refer to it as the NTAG424 chip. 

Using authentication chips

As this code is unique for each scan, these NTAG424 NFC tags can be used for anti-counterfeit and authentication. It makes them extremely powerful as they can be used to ensure that the tag is the exact tag that you expect it to be. All from a simple scan with a mobile phone (no special app required).

Authentication chips have a huge range of use cases from the obvious protection of luxury goods, artwork and pharmacuiticals to supply chain security, document authentication, ticketing, proof of physical presence, secure log-on and more. 

Encoding authentication chips

While standard NFC tags can be easily encoded with any of the free mobile phone applications, encoding NTAG424 chips is substantially more complicated. You have four choices : 

  1. Use NXP's TagXplorer desktop software to encode the tags (note that NXP no longer support this software but at the time of writing it was still available to download)
  2. Build your own encoding system.
  3. Get Seritag to encode your tags for you
  4. Use our Ixkio Tag Management platform and encode with our ixkio mobile app.

More information

For more information on buying and using NTAG424 or other authentication chips, contact us or read more about NFC tag authentication.

 

Pricing

Seritag Product Code : ST1011
Current Stock : 991 (need more?)We can typically supply additional stock of this product within 3 weeks. However, we very strongly advise you to contact us for exact production schedules for non-stock items before ordering.

Price per Patch : 
5 - 49$2.67
50 - 99$2.57
100 - 199$2.28
200 - 499$2.06
500 - 999$1.90
1,000 - 1,999$1.86
2,000 - 4,999$1.80
5,000 - 9,999$1.68
10,000 - 19,999$1.63
20,000 - 49,999$1.58
50,000 +Contact Us
(price excludes VAT)Show prices with VAT 
(You can encode the tags yourself)
Total Cost :
$-

(excludes VAT)

 

Product Data

NFC Chip NTAG424
Interface Specification ISO 14443 / 13.56 MHz / NFC Forum Type 4
Total Memory 416 Bytes (User)
Data Retention 50 years (estimated)
Metal Surfaces (?)Not suitable
Unique Print (?)Not Available
NFC & QR Code Management
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Seritag is a trading name of TabDesk Ltd, a UK Registered company 10474154. VAT Registration Number GB256328005.
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