Product Highlights
- Type: Silicone
- Brand: Wacker Silicone
OVERVIEW
Wacker Elastosil A 4 Screen Printable Silicone Overview
Wacker Elastosil A 4 is a one-part, Amine based silicone adhesive used for bonding and sealing. Like Elastosil A 16 Blue, the A 4 product is one part screen printable silicone. This particular silicone has a very long skin over time and cures with carbon dioxide and moisture.
Specifications
Elastosil A 4 Specifications
|
Typical general characteristics |
Inspection Method |
Value |
|
Appearance |
WSTM-219 |
Red Liquid |
|
Viscosity, cP, at 25°C |
WSTM-2103 |
21000 |
|
Solids (%) |
WSTM-2288 |
92 |
|
Skin-over Time, min, 25°C with moist carbon dioxide |
WSTM-2290 |
5 |
|
Skin-over Time, hrs, 25°C, 50% relative humidity, ambient conditions |
WSTM-2118 |
8 |
|
As Cured (Bead Thickness, 50 100 mil) |
||
|
Hardness Shore A |
WSTM-1110 |
50 |
|
Tensile Strength, MPa |
WSTM-1228 |
2.4 |
|
Tensile Strength, psi |
350 |
|
|
Elongation at break |
WSTM 1228 |
100 % |
|
After Fluid Immersion ASTM #1 Oil (70hrs/150 C) |
||
|
Hardness, points change |
WSTM-1118 |
-15 |
|
Tensile loss, Max % |
WSTM-1118 |
-20 |
|
Elongation, loss, Max % |
WSTM-1118 |
-20 |
|
After Fluid Immersion IRM 903 Oil (70hrs/150 C) |
||
|
Hardness, points change |
WSTM-1118 |
-30 |
|
Volume change, % |
WSTM-1118 |
60 |
|
Heat Resistance (70 hrs/225 C) |
||
|
Hardness, points change |
WSTM-1116 |
10 |
|
Tensile loss, Max % |
WSTM-1116 |
-25 |
|
Elongation, loss, Max % |
WSTM-1116 |
-30 |
DATA SHEETS
Wacker Elastosil A 4 Data Sheets
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