Silicones, silicone oils, sprays
Casting and potting resins)
SILBIONE RTV 4320
Addition-curing RTV-2 silicone putty (paste); mixing ratio A:B = 1:1, mix by hand until homogeneous color is achieved; for orthopaedic insoles and heel pads;
Shore A 20 after 24 h; working time 2 min; setting time 4 min (at 23 °C)
2K-Pt silicone paste (Shore A 20) for orthopedic insoles and heel spur pads — food and medical grade tested
Documents
HS Code:
3910.0000
Two-component, addition-curing SILBIONE-RTV paste for footcare applications, curing at room temperature in a 1:1 ratio. Hardness according to the Elkem data sheet approx. Shore A 20.
SILBIONE RTV 4320 A and B are pasty, addition-curing silicone components, mixed by hand in 100 parts each (1:1 ratio). After a total processing time of approximately 2 minutes at 23°C and a setting time of approximately 4 minutes, an elastomer with a Shore A hardness of approximately 20 is formed. According to the Elkem data sheet, it is suitable for the production of orthopedic insoles and heel spur braces.
According to the Elkem data sheet, extensive toxicological tests on SILBIONE products have demonstrated sufficient biocompatibility and suitability for the recommended applications. SILBIONE RTV 4320 A and B meet regulatory requirements in several countries and comply with a number of medical and pharmaceutical regulations, according to the Elkem data sheet. Furthermore, the Elkem data sheet states that no toxic substances are released before or after polymerization. We can assist you with selection and approval for medical or skin contact applications.
What makes the SILBIONE RTV 4320 stand out
What is the SILBIONE RTV 4320 used for?
Processing
Important Notes
- According to the Elkem data sheet, handle with vinyl gloves and use only clean stainless steel or plastic containers. Addition curing can be inhibited by: latex gloves, heavy metal salts, amines, sulfur and its derivatives, and epoxy resin catalysts.
- The currently valid Elkem data sheet (TDS and SDS) is authoritative, which we will be happy to send you.
Technical specifications for SILBIONE RTV 4320
| Product Information | |
|---|---|
| Brand | Silbione |
| Manufacturer | Elkem Silicones |
| Curing type | Addition (Platinum) |
| Container | 1kg + 1kg, 5kg + 5kg, 25kg + 25kg |
| Number of components | 2K (two-component) |
| Consistency | Thixotropic |
| Mixing Ratio | 1:1 |
| Further Properties | |
|---|---|
| UV resistance | No |
| Physical Properties | |
|---|---|
| Cured Color | White |
| Self-leveling | No |
| Electrical Properties | |
|---|---|
| Electrical Insulation | No |
| Curing values | |
|---|---|
| Pot life (min) | 2 |
| Demolding time (min) | 4 |
| Product Approvals | |
|---|---|
| Food contact | Yes |
| Medical grade | Yes |
| Mechanical properties | |
|---|---|
| Elongation at break (%) | 200 |
| Tear strength (N/mm) | 7 |
Please refer to the technical data sheet (TDS) in the "Documents" tab for binding values.
Documents and data sheets
Click on a document for the preview or the download icon for direct download.
Frequently asked questions about SILBIONE RTV 4320
Practical application and design questions, answered by SILITECH.
According to the Elkem data sheet, mix 100 parts A with 100 parts B (1:1) by hand until a homogeneous color is achieved.
According to the Elkem data sheet, the total processing time at 23°C is approximately 2 minutes, with a setting time of approximately 4 minutes. Higher temperatures shorten, lower temperatures lengthen these times.
According to the Elkem data sheet for orthopedic insoles and heel spur treatments. For medical or skin contact applications, we support you in selection and approval.
According to the Elkem data sheet, in original packaging at below 40°C, storage time is up to 12 months from the date of manufacture (components A and B).
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Product Specifications
| Product Information | |
|---|---|
| Container | 1kg + 1kg or 5kg + 5kg or 25kg + 25kg |
| Brand | Silbione |
| Manufacturer | Elkem Silicones |
| Curing type | Addition (Platinum) |
| Number of components | 2K (two-component) |
| Consistency | Thixotropic |
| Mixing Ratio | 1:1 |
| Further Properties | |
|---|---|
| UV resistance | No |
| Physical Properties | |
|---|---|
| Cured Color | White |
| Self-leveling | No |
| Electrical Properties | |
|---|---|
| Electrical Insulation | No |
| Curing values | |
|---|---|
| Pot life (min) | 2 |
| Demolding time (min) | 4 |
| Product Approvals | |
|---|---|
| Food contact | Yes |
| Medical grade | Yes |
| Mechanical properties | |
|---|---|
| Elongation at break (%) | 200 |
| Tear strength (N/mm) | 7 |
| Keywords | |
|---|---|
| Keywords | |
| Mechanical properties | |
|---|---|
| Shore hardness A | 20.0 Shore A |
| Tensile Strength | 2.0 MPa |
| Elongation at break | 200.0 % |
| Tear resistance | 7.0 kN/m |
| Linear shrinkage | < 0.1 % |
| Processing | |
|---|---|
| Pot life at 23°C | 2.0 min |
| Demolding time | 4.0 min |
| Physical & Thermal | |
|---|---|
| Density (23°C) | 1.4 g/cm³ |
| Temperature Resistance (Continuous) | -50 to 150 °C |
| Peak Temperature (Short-term) | 150 °C |
| Storage | |
|---|---|
| Shelf life in original packaging | 12 months |
| Storage Temperature | -10 to 30 °C |
Documents and data sheets
Safety Data Sheets (SDS) and Technical Data Sheets (TDS) for download: