Serving Scientists Since 1994

USP5 Transdermal Patch Holder, 56mm, 120 Mesh

Part Number Pack Size Price Qty

USP5 Transdermal Patch Holder 56mm, 120 Mesh. Paddle over Disk.

OEM Part' 12-4200

USP5 Transdermal Patch Holder 120 Mesh

Transdermal Patch Holder with 56mm (2.20") opening and 120 Mesh screen.

Use in Paddle Over Disk Applications


Transdermal or patch testing is carried out using USP method 5 (paddle over disc) or USP method 6, the rotating cylinder.

With paddle over disk, the transdermal patch is placed between a glass disc and an inert PTFE mesh. This is placed at the bottom of the vessel, with the mesh facing upwards, under a rotating paddle.

Unlike dissolution testing, transdermal testing is carried out at 32°C to reflect the lower temperature of the skin. Other variables such as the height setting and sampling requirements are the same as dissolution testing.

Pack Size Each
Transdermal USP5 Disc

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