Printing on heat sealable foils – Engineering case study from Entrocomponent Solutions


Editors note: This is a Case Study from our partner supplier Entrocomponent Solutions, and here is their sales team: Jeff Bradbury and Scott McGlasson.

1.  How to print a logo and product name on a sealing foil

Many medical device companies use heat sealed foils to contain caustic substances or to maintain a seal of freshness. The functional side of these seals requires them to be inert and seal to plastics at a certain temperature. The other side of these foils is what is viewable to the end-user. This material often has a blank metallic look to it.  Our customer approached ECS with the desire to print instructions and product branding information on this part of the heat sealable foil.

2.  How can you print on foils that don’t accept ink?

Most of the aluminum heat seal foils that are used in the Medical Industry, can not be printed on. This particular medical device company had almost given up. They searched high and low for a printable aluminum/acrylic combination that could be printed on one side. This high volume application was about to be rewarded to a heat sealable foil provider who could not print, when the customer found Entrocomponent Solutions(ECS).

3.  How do you determine how to package parts?

ECS’ customer provided a drawing of an individual part and discussed the application details with the customer. What is the desired assembly process and time? What is the resolution that you need printed on the foil? How strong of a bond does the seal need to provide? etc… After all the questions were answered, ECS’ team went to work on creating prototypes for testing. These prototypes were tested, feedback from the customer was used to iterate the design, and a final revision was made to the drawing.

4.  Finished foil parts that accept ink and are easy to apply

We use a specialty coating and lamination process that allows the aluminum to be printed on. The aluminum rolls were then printed. Finally, these parts needed to be cut to the customer’s drawing. The drawing was just for one part though. Each part cut out individually made it difficult to not damage the parts during placement. The solution was to provide the parts on a roll with little nicks on the sheet to allow for easy removal from the roll.

5.  Polished product with no wasted space for branding

The more opportunities a company has to get its brand and desired message in front of its customers the better. This medical device company was able to increase brand awareness and product usability simply by printing on an Aluminum seal. The additional costs for printing were outweighed by using a less expensive foil sealing material. The outcome was better priced parts with the desired performance.

ECS prides itself on knowing ways to cut costs and improve performance. Contact Us now about the application you are working on. We can help!

About Entrocomponent Solutions

Jeff Bradbury, Technical Sales

Entrocomponent Solutions (ECS) is a custom engineered die cut component solutions provider. We specialize in tight-tolerance rotary die cutting, optically registered stamping, multi-layer laminations and flexographic printing. We feature class 100 clean rooms in Azusa, CA as well as Singapore. ISO 9001 and SO 13485 certified.

Hard Disk Drive Components

  • Seals – Featuring adhesive free zone or full adhesive type seals such as : positional seals, screw seals and tape seals.
  • Dampers – Noise and vibration damping using visco-elastic adhesive treatments applied to stainless steel, copper, aluminum and polyester. Applications include label, vcm cover and helium dampers.
  • Filtration products – Featuring new advanced materials developed to accelerate current technology while reducing costs and enhancing performance
  • Gaskets – Acoustic or sealing gaskets incorporating foam, sponge and silicone rubber materials
  • iners – Specially designed liners to address cleanliness and ESD concerns.
  • Adhesives – Custom formulations developed to meet and exceed adhesive performance and cleanliness requirements.

Medical/Diagnostic Components

  • In Vitro Diagnostic Components
  • Patient Monitoring Disposables
  • IV Securement Products
  • Biomedical Devices
  • Wound Care Products
  • Microfludic Device Components
  • Hospital/Surgical Disposables
  • Custom Dressings/patches
  • Custom Adhesives
  • including skin-friendly adhesives systems and tape constructions

Electronics/Industrial Components: In addition to traditional EMI/RFI shielding, insulating, and gasketing die cut components, we now have expanded our capabilities by adding world class injection molding, metal stamping and low cost assembly capabilities to better serve the Electronics OEM Market.

Material Development/Testing Capabilities

  • Customer polymer based advanced materials include, performance films, rate controlling films, adhesive films, visco-elastic damping films, conductive films
  • Testing Capabilities Include, Environmental Testing, Aging Ovens, Constant Temperature and humidity controls, Adhesive Testing, Tack Testing, Drop Shear, Peel Strength Adhesion, Time Constant Testing (humidity chamber), Chemical Analysis Lab, GC/MS Analysis, IC Testing, TMP Testing, IR and UV Testing/ visible spectroscopy, Rheometry, Particle Size Analysis, Conductivity Analysis (thermal and electrical), DSC, TGA

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