CAB

CAB is Widely Used For:

  • Face masks for injury protection
  • Face masks for certain sports
  • Rigid check sockets

Performance Characteristics:

  • Lightweight
  • Clear
  • Excellent drape forming and blister forming characteristics
  • Soft and flexible
  • Impact resistant
  • Easy to fabricate and bond

Common Brands:

  • Uvex®


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CAB

Clear, flexible plastic sheet with excellent drape and blister forming characteristics

CAB (cellulose acetate butyrate) Sheet (Uvex®) is a clear, easy to thermoform polymer. CAB sheet offers resistance to ultra-violet rays which makes it a good option for outdoor applications.

Tech TipBuffing scratches out of CAB is very difficult; be careful not to scratch during fabrication.

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STANDARD SIZES
SHEET Dimensions:
24 in x 48 in – 48 in x 96 in
Thickness:
0.187 in – 0.250 in
OPTIONS AVAILABLE
COLOR Clear
Texture, Surface, Pattern Smooth

Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Custom sizes available upon request.

 

Typical Properties of CAB SHEET
PROPERTY * UNITS ASTM TEST
METHOD
VALUE
MECHANICAL *      
Tensile strength @ yield
50 mm/min (2 in/min)
MPa
psi
D638 35.6
5,163
Tensile strength @ break
50 mm/min (2 in/min)
MPa
psi
D638 36.3
5,221
Elongation @ break
50 mm/min (2 in/min)
% D638 33.9
Flexural modulus of elasticity
1.27 mm/min (0.05 in/min)
MPa
10psi
D790 1,579
2.3
Izod impact strength notched 23°C J/m
73°F ft-lbf/in

-40°C J/m
-40°F ft-lbf/in
D256 235
4.4

78
1.5

* Mechanical properties are corrected for thickness and therefore apply to all thicknesses of sheet, although slight deviations may be found in thin gauges. Values for any given specimen of sheeting may be approximated by means of a suitable conversion factor based on the dimensions of the specimen.

Need more information about this material? Use our interactive plastic properties table