CAF 33 Transparent
Stable silicone elastomer, room temperature curing, acetate curing (acetic acid); for industrial bonding and sealing, engine seals.
Skin formation time 6 min at 23 °C · Shore A 25 · Embrittlement -65 °C, duration +250 °C, peak +300 °C
Transparent 1K silicone sealant (acetic) for visible joints with standard CAF-33 properties
Documents
Internal reference:
40-306.KT.ML310
HS code:
39100000
CAF 33: Acetate-curing silicone elastomer at room temperature, non-sagging, available in black, white, and translucent.
CAF 33 belongs to the Elkem CAF series of one-component, moisture-curing silicones. Technology: Acetate (acetic acid curing, 1K). Sales segment: Aerospace / all industries.
Acetate-curing silicone elastomer at room temperature, non-sagging, available in black, white, and translucent.
What makes CAF 33 stand out
What is CAF 33 used for?
Processing
Important Notes
- The currently valid Elkem data sheet (TDS and SDS) is authoritative, which we will be happy to send you.
- Cross-linked by humidity; reseal opened containers tightly.
CAF 33 in comparison
Technical data for CAF 33 Transparent
| Product Information | |
|---|---|
| Brand | CAF |
| Manufacturer | Elkem Silicones |
| Curing type | One-component (moisture curing) |
| Number of components | 1K (one-component) |
| Consistency | Thixotropic |
| Mixing Ratio | One-component |
| Container | 310 ml |
| Further Properties | |
|---|---|
| UV resistance | No |
| Physical Properties | |
|---|---|
| Cured Color | Transparent |
| Self-leveling | No |
| Electrical Properties | |
|---|---|
| Electrical Insulation | Yes |
| Product Approvals | |
|---|---|
| Food contact | No |
| Medical grade | No |
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.
Technical Data Sheets (TDS) 3
Frequently asked questions about CAF 33
Practical application and design questions — answered by SILITECH.
CAF 33 is suitable for automotive (engine seals in situ, sunroofs), household appliances (oven door angles, washing machine tubs), and aviation.
CAF 33: Acetate (acetic acid crosslinking, 1K).
Continuous use according to Elkem data sheet -65 to 250 degrees C.
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Our technical team provides personal advice on material selection, processing questions, and individual requirements. Fast and competent.
Product Specifications
| Product Information | |
|---|---|
| Brand | CAF |
| Manufacturer | Elkem Silicones |
| Curing type | One-component (moisture curing) |
| Number of components | 1K (one-component) |
| Consistency | Thixotropic |
| Mixing Ratio | One-component |
| Container | 310 ml |
| Further Properties | |
|---|---|
| UV resistance | No |
| Physical Properties | |
|---|---|
| Cured Color | Transparent |
| Self-leveling | No |
| Electrical Properties | |
|---|---|
| Electrical Insulation | Yes |
| Product Approvals | |
|---|---|
| Food contact | No |
| Medical grade | No |
| Keywords | |
|---|---|
| Keywords | |
| Mechanical properties | |
|---|---|
| Shore hardness A | 25.0 Shore A |
| Modulus at 100% Elongation | 0.6 MPa |
| Tensile Strength | 2.5 MPa |
| Elongation at break | 500.0 % |
| Tear resistance | 5.4 kN/m |
| Compression deformation residue | 54.0 % |
| Processing | |
|---|---|
| Skin formation time | 6.0 min |
| Fully cured after 24 hours | 4.3 mm |
| Crosslinking 2 mm layer | 6.0 h |
| Physical & Thermal | |
|---|---|
| Density (23°C) | 1.05 g/cm³ |
| Temperature Resistance (Continuous) | -65 to 250 °C |
| Peak Temperature (Short-term) | 250 °C |
| Thermal conductivity | 0.2 W/(m·K) |
| Electrical characteristics | |
|---|---|
| Dielectric constant ε (1 kHz) | 2.8 |
| Dielectric strength | 19.0 kV/mm |
| Volume resistivity | 1e+14 Ω·cm |
| Dissipation factor tan δ | 0.002 |
| Storage | |
|---|---|
| Shelf life in original packaging | 24 months |
| Storage Temperature | 2 to 30 °C |
Documents and data sheets
Safety Data Sheets (SDS) and Technical Data Sheets (TDS) for download:
- CAF 33 Translucent - Fiche Technique FR.pdf (88 KB)
- CAF 33 Translucent - Fiche de Sécurité FR.pdf (358 KB)
- CAF 33 Translucent - Safety Data Sheet EN.pdf (395 KB)
- CAF 33 Translucent - Scheda di Sicurezza IT.pdf (345 KB)
- CAF 33 Translucent - Safety Data Sheet DE.pdf (311 KB)
- CAF 33 Translucent - Technical Data Sheet EN.pdf (705 KB)
- CAF 33 Translucent - Technical Data Sheet DE.pdf (215 KB)


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