Silicone sealant HT-300 310ml, high temperature silicone 300°C, red flexible silicone for metal, glass, ceramics, aluminum
Product code: 10046421
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Product description
Silicone Sealant HT-300 310 ml – High-temperature silicone resistant to temperatures up to +300°C
WEICON Silicone HT-300 is a high-quality, single-component silicone sealant with acetate cross-linking, designed for applications requiring resistance to extreme temperatures. Thanks to its excellent adhesion to a wide range of materials, such as metal, glass, aluminum and ceramics, the product is used in the automotive industry, heating systems, exhaust systems and many other demanding environments.
Key product features
- High thermal resistance - resistant to temperatures from -40°C to +280°C (short-term up to +300°C)
- Flexibility - elongation at break up to 300%, ensuring durability even under intense loads
- Excellent adhesion - to metal, glass, aluminum, ceramics and many other surfaces
- Weather resistance - resistant to UV radiation, water and aging
- Easy application - available in a standard 310 ml cartridge for application with a gun
- Does not contain solvents - safe for many surfaces and materials
Application
HT-300 is a versatile sealant with a wide range of applications, ideal for:
- Sealing exhaust and combustion systems
- Repairing and securing industrial furnaces
- Sealing heating system elements
- Gluing and sealing glass, metal and ceramics
- Applications in construction, automotive and industry
Technical data
| Parameter | Value |
|---|---|
| Chemical basis | 1K Polysiloxane (Acetate) |
| Color | Red |
| Density | 1.18 g/cm³ |
| Temperature resistance | -40°C to +280°C (short-term up to +300°C) |
| Curing type | Ambient moisture curing |
| Application temperature | +5°C to +35°C |
| Creation skin | 8 minutes |
| Curing speed | 2 - 3 mm in 24 h |
| Maximum gap | 5 mm |
| Breaking elongation | 300% |
| Shore A hardness | 30 |
| Tensile strength | 2.5 N/mm² |
| Resistance to UV | Yes |
| Shelf life | 12 months |
How to use
For best sealing results, follow these steps:
- Clean and degrease the surface thoroughly before application
- Apply the product evenly to one of the surfaces
- Combine the elements before a skin forms (approx. 8 minutes)
- Leave to fully cure - 24 hours recommended
Storage and precautions
To ensure long-term product quality, the following rules should be followed:
- Store in original, tightly closed packaging
- Avoid storage at temperatures above +25°C
- Protect from moisture and UV radiation
- Use in well-ventilated rooms
HT-300 310 ml silicone sealant is a professional solution for demanding applications, combining high thermal resistance, flexibility and excellent adhesion to various materials. The ideal choice for industrial and construction applications.
Product features
- Cartridge type 1k plastikowy 310ml
Product safety
Responsible person in the EU
WEICON GmbH & Co. KG
Königsberger Str. 255
48157 Münster, Germany
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