CSI Keyboards
Call Us Today for your Custom Keypads at 978.532.8181

Membrane Switch Assemblies
Membrane Switch Backlighting
Surface Mount LED's
Elastomeric Keypads
Touchscreens
Flexible Circuits
Cushion Membrane Switch
Turnkey Assemblies
Opti-Bond Window
Membrane Switch Specifications
Company Profile
Press Releases
Contact Us
Sales Reps
Home


 


Silicone Properties

Typical Physical Properties of Silicone Rubber

CSI Keyboards
Conductive
Rubber
Insulative
Rubber
 70
45
55
70
Hardness, Shore A
60-70
50
55
70
Tensile, p.s.i.
650
950
1000
1000
Elongation, %
100
300
300
450
Tear Strength, p.p.i. (DieB)
-
140
150
225
Volume Resistivity, ohm-cm
8
-
-
-

Tolerances
Overall size and dimensions after shrinkage

 <.400"
(10.16 mm)
+/-.004"
(.1016 mm)
.401" - .800"
(10.16 mm - 20.32 mm)
+/-.006"
(.1524 mm)
.801" - 1.20"
(20.34 mm - 30.48 mm)
+/-.008"
(.2032 mm)
1.201" - 1.60"
(30.50 mm - 40.64 mm)
+/-.010"
(.254 mm)
1.601" - 2.00"
(40.66 mm - 50.8 mm)
+/-.012
(.3048 mm)
2.001" +
(50.82 mm)
+/-.6%
 

Rapid Delivery on Prototypes and Production
Let us show you what over 20 years of membrane switch experience can do

Call: 978.532.8181 X123
For Immediate sales help Email Craig Eliot
Cell Phone: 978-290-2605

 
Membrane Keyboard Assemblies | Surface Mount LED's | Elastomeric Keypads | Touchscreens | Flexible Circuits
Cushion Switch | Turnkey Assemblies | Opti-Bond Window | Keypad Specifications | CSI Keyboard Sitemap
CSI Keyboards creates top quality custom membrane switches, rubber keypads, touch screens,
flex circuits, full assemblies and has a strong presence in the following regions with direct personnel or manufacturing
representatives: MA, CT, VT, NH, ME, OH,KY, PA, NY, NJ, CA, NV,CA, NV, IN, IL, VA, NC, SC, GA, AL, TN, FL, and TX.