Room Temperature Vulcanizing (RTV-2)
Medical Grade RTV Silicone
Medical Grade RTV Silicone
Elkem Silicones understands the importance of durability and processability when producing parts for the healthcare market. Our Silbione™ Room Temperature Vulcanized (RTV) silicones provide high-performance properties including easy processing, good flowability, high tack, excellent shearing, rapid cure, and durability.
As a global leader in soft silicone technologies, we offer a broad range of Room Temperature Vulcanized (RTV) silicones that are ideal for duplication, cushioning, skin car products such as bandages and dressings, and life-like skin applications due to its non-toxicity and biocompatibility.
Silbione™ RTV application solutions:
- Dental and Audiology
- Cushioning
- Prosthetics and skin contact
Elkem Silicones offers the following ranges for Room Temeprature Vulcanzed (RTV) silicones under the Silbione™ brand:
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High Perfomance
| SilbioneTM | Color | Hardness Sh A |
Viscosity Pa.s |
Max working time 23°C | Max setting time 23°C | Tear Strength N/mm |
Biocompatibility support * |
| RTV 4511 (QC) | Translucent | 11 Sh00 | 1,2 | 60' (25') | 90' (35') | - | ♦ |
| RTV 4522 | Translucent | 22 Sh00 | 2 | 2h (25') | (45') | - | ♦ |
| RTV 4530 | Translucent | 30 Sh00 | 4 | 1h10' (10') | 3h | 3 | ♦ |
| RTV 4404 | Translucent | 4 | 1,9 | 40' | 3h | 9 | ♦ |
| RTV 4408 (QC) | Translucent | 8 | 1,5 | 2h (50') | 6h | 14 | ♦ |
| RTV 4410 (QC) | Translucent | 10 | 1,9 | 1h10' (10') | - | 15 | ♦ |
| RTV 4420 (QC) | Translucent | 20 | 4 | 50' (3') | 3h (35') | 15 | ♦ |
| RTV 4428 | Translucent | 28 | 20 | 90' | 16h | 20 | ♦ |
| RTV 4440 | Translucent | 40 | 50 | 70' | - | 18 | ♦ |
Balances Performance
| SilbioneTM | Color | Hardness Sh A |
Viscosity Pa.s |
Max working time 23°C | Max setting time 23°C | Tear Strength N/mm |
Biocompatibility support * |
| RTV 4407 (QC) | Translucent | 7 | 1 | 20' | 45' | 1 | ♦ |
| RTV 4417 | Translucent | 16 | 3 | 10' | - | 4 | ♦ |
| RTV 4439 | Translucent | 40 | 7 | 25' | - | 2,5 | ♦ |
Lower Tack & Easier to Demold
| SilbioneTM | Color | Hardness Sh A |
Viscosity Pa.s |
Max working time 23°C | Max setting time 23°C | Tear Strength N/mm |
Biocompatibility support * |
| RTV 4522 HY | Translucent | 22 Sh00 | 0,9 | 100' | - | - | ♦ |
| RTV 4404 HY | Translucent | 4 | 1,9 | 45' | - | 8 | ♦ |
| RTV 4406 HY | Translucent | 6 | 1 | 80' | - | 1 | ♦ |
| RTV 4408 CLR | Translucent | 8 | 8,5 | 1h50' | - | 5 | ♦ |
Special Performance
| SilbioneTM | Color | Hardness Sh A |
Viscosity Pa.s |
Max working time 23°C | Max setting time 23°C | Tear Strength N/mm |
Biocompatibility support * |
| RTV 4410 LD | White | 10 | 5,2 | 35' | Low density 0,8 | 6,5 | ♦ |
| RTV 4418 ADH | Translucent | 18 | 10,5 | 55' | Basecoat | - | ♦ |
| RTV 4425 ADH | Translucent | 30 | 3 | 20' at 70°C | Basecoat | - | ♦ |
| RTV 4335 | Pink | 35 | paste | 2' | 5' | - | ♦ |
*Silbione™ grade materials have been tested for biocompatibility according to applicable ISO 10993 and/or USP Class VI standards. These grades are not supported for implantation longer than 30 days.
The typical properties listed above are not intended for use in preparing specifications for any particular application.
User has sole responsibility to determine product suitability for intended uses and applications.
Customized grades upon request. Elkem also supplies additives to adjust the product properties.