Products
Membrane Boxes
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Store/Ship/Transfer delicate, sensitive articles between soft elastic membranes
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
The plastic membranes form around the enclosed object and hold it securely.
Small products or large may be held firmly within various box sizes. Semiconductor, machine parts, electron microscopy parts or materials, samples, and many other applications.
Note: Membrane area listed is actual area.
The item(s) held in the membrane area must be smaller than the membrane area, depending on the thickness of the item(s) held.


139-66 and 139-67 are double hinged with two yellow clips

139-51 and 139-52 have two separable parts held together with two clear clips, 180° apart

139-58 is double hinged with one yellow clip, shown holding a silicon wafer – a similar construction to 139-56 and 139-63.
139-62 and 139-64 are single hinged with one yellow clip.

139-63Demonstrating double hinged with one yellow clip, in open position.

139-61 is opened by pressing in on both sides of lid

139-61 membrane box with lid in place
139-61 has a separable membrane lid that forms a snug fit when pushed/snaped onto the membrane base, no hinges, latches or clips are used. Press both sides to un-snap and remove lid.
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Membrane Box, 55mm Square x 25mm H
Two Part – press together
no. 139-55
Description
Two Part – press together
Outside Dimensions: 55 x 55 x 25mm H
Membrane Area: 45 x 45 mm
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Membrane Box, 38mm Square x 16mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-50
Description
Plastic Membrane Boxes
Two Part – press together
Outside Dimensions: 38 x 38 x 16mm H
Membrane Area: 31.8 x 31.8mm
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Membrane Box, Round, 82mm dia. x 40mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-51
Description
Plastic Membrane Boxes
Two Part – two clear clips
Outside Dimensions: 82mm dia. x 40mm H
Membrane Area: 69.9mm dia.
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Membrane Box, Round, 82mm dia. x 17.5mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-52
Description
Plastic Membrane Boxes
Two Part – two clear clips
Outside Dimensions: 82mm dia. x 17.5mm H (3.22″ dia. x .69″ H)
Membrane Area: 69.9mm dia
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Membrane Box, 71mm Square x 12mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-59
Description
Plastic Membrane Box
Two Part – press together
Outside Dimensions: 71 x 71 x 12mm H
Membrane Area: 60 x 60mm
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Membrane Box, Rectangular, 39.6 x 79.4 x 19mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-60
Description
Plastic Membrane Box
Two Part – press together
Outside Dimensions: 39.6 x 79.4 x 19mm H
Membrane Area: 25.4 x 66.7mm
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Membrane Box, Snap Together, Rectangular, 50 x 160 x 30mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-61
Description
Plastic Membrane Box
Two Part – snap together/press to remove
Outside Dimensions: 50 x 160 x 30mm H
Membrane Area: 30 x 140mm
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Membrane Box, Hinged, Rectangular, 75 x 124 x 26.7mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-56
Description
Plastic Membrane Box
Double Hinged – one yellow clip
Outside Dimensions: 75 x 124 x 26.7mm H
Membrane Area: 60.5 x 114.3mm
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Membrane Box, Hinged, Rectangular, 100 x 50 x 25mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-62
Description
Membrane Box
Single Hinged – one yellow clip
Outside Dimensions, Assembled: 100 x 50 x 25mm H
Membrane Area: 30 x 90mm
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Membrane Box, Hinged, Rectangular, 100 x 75 x 25mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-63
Description
Membrane Box
Double Hinged – one yellow clip
Outside Dimensions, Assembled: 100 x 75 x 25mm
Membrane Area: 60 x 90mm
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Membrane Box, Hinged, Rectangular, 100 x 50 x 50mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-64
Description
Membrane Box
Single Hinged – one yellow clip
Outside Dimensions, Assembled: 100 x 50 x 50mm H (4″ x 2″ x 2″ H)
Membrane Area: 30 x 90mm
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Membrane Box, Hinged, Square, 197 x 197 x 49mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-66
Description
Membrane Box
Double Hinged – two yellow clips
Outside Dimensions, Assembled: 197 x 197 x 49mm H (7.75″ x 7.75″ x 1.94″ H)
Membrane Area: 180 x 187mm
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Membrane Box, Hinged, 149mm Square x 51.8mm H
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-58
Description
Membrane Box
Double Hinged – one yellow clip
Outside Dimensions: 149 x 149 x 51.8mm
Membrane Area: 133.4 x 138.2mm
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Membrane Box, Hinged, Rectangular, 149 x 149 x 51.8mm
Polystyrene plastic boxes with micro thin, flexible polyurethane membranes top and bottom.
no. 139-67
Description
Membrane Box
Double Hinged – two yellow clips
Outside Dimensions, Assembled: 175 x 125 x 50mm H
Membrane Area: 150 x 100mm
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Clear Replacement Clips
Clear Replacement Clips
no. 139-51-10
Description
Membrane Box
Clear Replacement Clips
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Replacement Yellow Clips and Hinges for Hinged Boxes
Replacement Yellow Clips and Hinges for Hinged Boxes
no. 139-54 and 139-57
Description
Membrane Box
Replacement Yellow Clips and Hinges for Hinged Boxes
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