Wednesday, 21 March 2012

what is the difference between Thermoforming and Cold forming technology in Blister packing



Thermoforming is a technique that involves heating sheets of PVC prior to insertion into a blister machine. This is typically achieved by passing the sheets between upper and lower heating plates. When a sheet enters a thermoforming blister machine, it is soft and pliable and can be forced to take on the shape of a mold through the application of pressure. In some cases, a mechanical stamp will be used in addition to the application of pressure, particularly when the shape of the mold is difficult or complex.


Cold forming is a technique that does not involve any application of heat. Unlike the thermoforming method that uses clear PVC, this technique uses thin sheets of laminate film that contain aluminum. In order to create packaging out of these sheets, a blister machine will typically use a stamp to force it into a form. The aluminum-based film will tend to stretch and retain the shape after the stamp has been removed. This type of blister pack is typically used to contain pharmaceuticals, since the aluminum-based film tends to prevent moisture from entering the packaging.







5 comments:

  1. This blog knowledge is treasure is a great source of information which is very useful for me.


    Linee di taglio panini e tramezzini

    ReplyDelete
  2. Thermoforming film at Alter Pack Company Alter Pack ltd. is professional distributor of packaging machinery and equipment. Our main sales direction is Thermoforming Vacuum Packaging and Thermoforming packaging at Alter Pack



    ReplyDelete
  3. Ive been reading up on the cold forming process lately and it really seems like a great new manufacturing tool. Effective as well as effecient!

    ReplyDelete
  4. Hi,
    Thanks for the wonderful details, i have bookmarked your blog for the future updates.

    Suresh
    Cold Heading Manufacturers

    ReplyDelete
  5. Plasbox can supply you with most of your packaging needs because Plasbox can supply cardboard box suppliers Australia, plastic packaging, custom packaging boxes, shelf ready trays, slitting of rolls of plastic, sheeting of plastic, vaccum formed packaging and thermo formed packaging for many different needs.

    ReplyDelete