A-103: Silicone Elastomer
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Product Details
A-103 Silicone Elastomer (RTV, Medical Grade)
A-103 Elastomer is a two-component, pourable silicone system that cures to a translucent, flexible rubber at room temperature or with mild heat acceleration. Engineered to meet stringent medical-grade specifications, this elastomer delivers consistent performance in demanding applications.
The system consists of a platinum-catalyzed dimethylsiloxane polymer base reinforced with silica, paired with a curing component containing a crosslinker and inhibitor for controlled processing and cure.
Key Features
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Two-part, pourable RTV silicone elastomer
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Room temperature cure with optional heat acceleration
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Translucent, flexible rubber after cure
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Excellent dielectric properties
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Minimal shrinkage at room temperature cure
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Reliable cure in thick sections
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Formulated for medical-grade applications
Typical Applications
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Encapsulation of electronic components in biomedical devices
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Flexible mold making for technical and medical parts
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Drug matrix systems for controlled release applications
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General use where stable, high-performance silicone elastomers are required
Technical Notes
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Designed for consistent, high-quality performance in medical and technical environments
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Users should validate performance in their specific application prior to use
A versatile, high-performance silicone elastomer ideal for applications requiring precision, reliability, and medical-grade quality.
Documents & Downloads
Shipping & Compliance
Most orders ship within 1-2 business days. Hazardous materials may require additional processing time and special shipping arrangements.
Features
- Durometer, Shore A: 27
- Tensile Strength (psi): 650
- Tear Strength (ppi): 90
- Elongation (%): 500
- Viscosity A: 70,000 cps
Technical Specifications
| Physical Properties | |
| Durometer (Shore A) | 27 |
| Specific Gravity | 1.1 |
| Viscosity | 70000 cP |
| Mechanical Properties | |
| Tensile Strength | 650.0 PSI |
| Elongation | 500.0% |

Compare Product Specifications
| Specification |
A-103: Silicone Elastomer
|
VST-30: VerSilTal Silicone Elastomer
|
A-2186: Platinum Silicone Elastomer
|
Elkem RTV-4020 Silicone Elastomer (A-RTV-4020)
|
|---|---|---|---|---|
| Durometer (Shore A) | 27 | 23 | 29 | 20 |
| Specific Gravity | 1.1 | — | 1.1 | — |
| Viscosity | 70000cP | 12000cP | 90000cP | 50000cP |
| Tensile Strength | 650.0PSI | 985.0PSI | 900.0PSI | 920.0PSI |
| Tear Strength | — | 115PPI | 90PPI | 120PPI |
| Elongation | 500.0% | 610.0% | 650.0% | 340.0% |
| Mix Ratio | — | 10:1 | 10:1 | 10:1 |
| Work Time | — | 12.0min | 120.0min | — |
| Tack-Free Time | — | — | 120.0min | — |
| Cure Time (Room Temp) | — | 25-30 minutes | Tack-free: 2 hours; full cure: 6-8 hours | — |
| Shelf Life | — | — | 12 months from date of shipment | — |
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Expert Technical Support
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Quality Guaranteed
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Consistent material performance backed by batch traceability and available COA/COC documentation for all lot numbers.
A-103: Silicone Elastomer
VST-30: VerSilTal Silicone Elastomer
A-2186: Platinum Silicone Elastomer
Elkem RTV-4020 Silicone Elastomer (A-RTV-4020)