Silicone Sheet Thickness Tolerances

 

 

 

 

 

 

 

 

 

 

     Continuous Rolls

0.010"

0.015"

0.032"

0.062"

0.093"

0.125"

0.188"

0.250"

Comments

Calendered Solid Silicone

N/A

±.002

±.003

±.006

±.010

N/A

N/A

N/A

Maximum thickness for

36" wide

 

 

 

 

 

 

 

 

36" wide is .100"

Rotocured Solid Silicone.

N/A

N/A

±.005

±.005

±.010

±.005

N/A

N/A

High tear strength solids

36" wide

 

 

 

 

 

 

 

 

may be rotocured .015"

Cast LSR* Silicone

±.002

±.002

±.003

±.005

N/A

N/A

N/A

N/A

Usually cast onto a thin

36" wide

 

 

 

 

 

 

 

 

plastic release liner

 

 

 



 

 

 

 

 

 

     Cured Sheets

0.010"

0.015"

0.032"

0.062"

0.093"

0.125"

0.188"

0.250"

Comments

Molded Solid Silicone

N/A

N/A

±.016

±.016

±.016

±.016

±.020

±.031

General tolerances for

36" x 36" sheet mold

 

 

 

 

 

 

 

 

press molding sheets

Molded Solid Silicone

N/A

N/A

±.005

±.008

±.010

±.010

±.013

±.013

Based on Stockwell

12" x 12" sheet mold

 

 

 

 

 

 

 

 

Compression Molding

Injection Molded LSR*

N/A

N/A

±.003

±.005

N/A

±.006

±.010

N/A

Based on Stockwell

12" x 12" sheet mold

 

 

 

 

 

 

 

 

LSR Injection Molding


* LSR is Liquid Silicone Rubber versus Gum Based Silicone Rubber

 

 

 

Tolerances are stated for reference.

 

 

 

 

The thickness capabilities and the associated tolerances are based on a survey of selected silicone sheet manufacturers

Certain silicone sheet manufacturers may improve on these capabilities on a case by case basis.