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CHT AS1701 is a non-corrosive, neutral cure, 1-part, RTV (Room Temperature Vulcanising) silicone adhesive sealant. It is one in a range of Alkoxy cure products which are solvent free. It exhibits excellent primer-less adhesion to many substrates and cures at room temperature when in contact with atmospheric moisture to form a tough rubber. This product will not corrode copper or its alloys and is suitable for use with electronic components.
Uncured Product
Property | Test Method | Value |
---|---|---|
Cure Profile | - | 23+/-2°C and 50+/-5% humidity |
Cure Through to 3mm Depth | - | 24 hr |
Cure Type | - | Alkoxy |
Rheology | - | Paste |
Self Bonding | - | Yes |
Tack Free Time / Skin Formation at 23°C/73°F | - | 3 min |
Cured Product
7 days at 23+/-2°C and 50+/-5% humidity
Property | Test Method | Value |
---|---|---|
100% Modulus (N/mm2) | - | 2.1 MPa / 305 psi |
Color | - | Black |
Density | BS ISO 2781 | 1.28 g/cm3 |
Elongation at Break | ISO 37 | 200 % |
Hardness Shore A | ASTM D 2240-95 | 52 |
Linear Coefficient of Thermal Expansion (ppm/°C) | - | 230 ppm/°C |
Linear Shrinkage (%) | - | 1 % |
Max Working Temp | - | 220 °C / 428 °F |
Min Working Temp | - | -50 °C / -58 °F |
Tear Resistance (N/mm) | BS ISO 34-1 | 19.1 N/mm / 110 ppi |
Tensile Strength | ISO 37 | 2.35 N/mm2 / 341 psi |
Thermal Conductivity | - | 0.6 W/mK |
Volume Coefficient of Thermal Expansion (ppm/°C) | - | 690 ppm/°C |
Youngs Modulus (N/mm2) | - | 1.8 N/mm2 / 261 psi |
Electrical Properties
Property | Test Method | Value |
---|---|---|
Dielectric Breakdown (kV/mm) | - | 33.33 kV |
Dielectric Constant | ASTM D-150 | 2.92 |
Dielectric Strength (V/mil) | - | >457 V/mil |
Dielectric Strength kV/mm | ASTM D-149 | >18 kV/mm / 0 V/mil |
Dissipation Factor | ASTM D-150 | 0.0012 |
Volume Resistivity (Ohms cm) | ASTM D-257 | 7.85E+15 ohms cm |
Adhesion Testing
Property | Test Method | Value |
---|---|---|
Lap Shear Aluminium kg/cm² | ASTM D1002 | 10.78 kg/cm² |
Lap Shear Copper kg/cm² | ASTM D1002 | 10.06 kg/cm² |
Lap Shear Polycarbonate Steel kg/cm² | ASTM D1002 | 5.93 kg/cm² |
Lap Shear Stainless Steel 304 kg/cm² | ASTM D1002 | 2.98 kg/cm² |
Storage
Propert | Test Method | Value |
---|---|---|
Max Storage Temperature | - | 40 °C / 104 °F |
Shelf Life | - | 12 months |
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Shipment Order No. | Shipment Date | Shipment Quantity |
---|---|---|
#56534 | 1/1/2025 | 1000 |
#56534 | 15/2/2025 | 1000 |
#56534 | 12/3/2025 | 1000 |
In the above example the customer has ordered 3000 parts, but the customer wants 3 seperate shipments of 1000 parts. We will then ship in accordance with your required deliveries.