Serving Scientists Since 1994

USP5 Disc

USP Method 5, or Paddle Over Disc is used for Transdermal Patch testing.

For the watch glass apparatus -the patch is placed face-up under the mesh, and the holder placed in the bottom of the vessel. The test is performed using the standard paddle and samples taken in the normal way

For the stainless steel mesh & holders - The mesh is secured on to the supporting assembly and placed release side up in the bottom of the vessel.

Whilst different assemblies are allowed and commonly used, APPFIVE-V35 meets the dimensions of the diagram in the USP. 

All QLA Products are manufactured to ISO9001 quality standards.

4 Item(s)

per page
  1. USP5 Watch Glass Transdermal Patch Holder with 17 Mesh Screen (Paddle Over Disc)

    USP5 Watch Glass Transdermal Patch Holder with 17 Mesh Screen, OEM# 65-190-093
    Part Number Pack Size Enquire
    APPFIVE-HR Each

    USP5 Watch Glass Transdermal Patch Holder with 17 Mesh Screen


    OEM Part# 65-190-093

  2. USP5 Transdermal Patch Holder, 35mm, 40 Mesh

    USP5 Transdermal Patch Holder, 35mm, 40 Mesh
    Part Number Pack Size Enquire
    APPFIVE-V35 Each

    USP5 Transdermal Patch Holder, 35mm 40 Mesh. Outer diameter is 41.2mm and meets the diagram in the USP


    OEM Part# 12-4200

  3. USP5 Transdermal Patch Holder, 56mm, 120 Mesh

    USP5 Transdermal Patch Holder, 56mm, 120 Mesh
    Part Number Pack Size Enquire
    APPFIVE-V56 Each

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


    OEM Part' 12-4200

  4. USP5 Transdermal Patch Holder, 80mm, 16 Mesh

    USP5 Transdermal Patch Holder, 80mm, 16 Mesh
    Part Number Pack Size Enquire
    APPFIVE-V80 Each

    USP5 Transdermal Patch Holder 16 Mesh, 80mm Diameter for Paddle over Disk applications.


    OEM Part# 12-4200

4 Item(s)

per page