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ZQ-868 is a temperature resistant silicone adhesive sealant, characterized by excellent temperature resistance and long-term use within the range of -60~350 ℃. It also has good adhesion, moisture resistance, earthquake resistance, corona resistance, leakage resistance, and aging resistance, and is widely used for the bonding and sealing of components with high temperature resistance requirements. It belongs to the ketone oxime type single component room temperature curing silicone rubber, and is
ZQ-868 is a temperature resistant silicone adhesive sealant, characterized by excellent temperature resistance and long-term use within the range of -60~350 ℃. It also has good adhesion, moisture resistance, earthquake resistance, corona resistance, leakage resistance, and aging resistance, and is widely used for the bonding and sealing of components with high temperature resistance requirements. It belongs to the ketone oxime type single component room temperature curing silicone rubber, and is not suitable for the bonding and sealing of copper and polycarbonate (PC) materials, meeting the requirements of the EU ROHS directive.
Bonding and sealing of industrial products such as steam irons, high-temperature air filters, and high-temperature ovens; Sealing of high-temperature pipelines.
Performance index | ZQ-868 | ||||
ZQ-868G | ZQ-868 | ||||
Before curing | Appearance | Paste red/black viscous substance | Semi flowing red/black viscous body | Flowing red/black viscous substance | Red/black viscous body |
Viscosity（cps） | -- | 80000 | 20000 | ||
Relative density（g/cm3） | 1.45±0.05 | 1.25±0.05 | 1.05±0.05 | 1.45±0.05 | |
Surface drying time（min） | 10--30 | 10--30 | 10--30 | 10--30 | |
Complete curing time (d) | 3～7 | 3～7 | 3～7 | 3～7 | |
Curing type | Single component deaoxime type | Single component deaoxime type | Single component deaoxime type | Single component deaoxime type | |
curing | Hardness(Shore A) | 40±5 | 30±5 | 25±5 | 40±5 |
Tensile strength（MPa） | ≥1.8 | ≥1.2 | ≥0.8 | ≥1.8 | |
Shear strength（MPa） | ≥1.2 | ≥1.0 | ≥0.6 | ≥1.2 | |
Elongation（%） | ≥200 | 150～250 | 100~200 | ≥200 | |
Operating temperature range(℃) | -60～250 | -60～300 | -60～350 | -60～220 | |
Volume resistivity (Ω·cm) | ≥1.0×10¹⁵ | ≥1.0×10¹⁵ | ≥1.0×10¹⁵ | ≥1.0×10¹⁵ | |
Dielectric strength (kV/·mm) | ≥20 | ≥20 | ≥20 | ≥20 | |
Dielectric constant(1.2MHz) | 2.8 | 2.8 | 2.8 | 2.8 | |
Loss factor(1.2MHz) | 0.001 | 0.001 | 0.001 | 0.001 | |
Note: All mechanical and electrical properties were measured after 7 days of curing at 25 ℃ and 55% relative humidity.
1. Clean the surface: Clean the surface of the adhesive or coated material to remove rust, dust, oil and other pollutants.
2. Glue application: Unscrew (or cut) the cap of the rubber hose, squeeze the glue onto the cleaned surface, distribute it evenly, and fix the adhered surface together.
3. Curing: Place the components that have been glued or sealed in air for natural curing. The curing process is a process of curing from the surface to the inside. Within 24 hours (at room temperature and 55% relative humidity), the adhesive will cure to a depth of 2-4mm. If the application position is deep, especially in areas that are not easily in contact with air, the complete curing time will be extended. If the temperature is low, the curing time will also be extended. It takes more than 7 days for a 6mm thick sealant to fully cure.
After the operation is completed, the unused adhesive should be immediately tightened and sealed for storage. When reusing, if there is a slight crust at the sealing area, it can be removed without affecting normal use. During the storage process of the adhesive, there may also be a small amount of solidification at the nozzle, which can be removed for normal use without affecting product performance. If it accidentally enters the eyes before solidification, seek medical attention.
Various viscosities can be adjusted according to customer requirements.
This product is stored in a cool and dry place at 28 ℃, with a shelf life of 12 months.
Q/320481 MTH 002-2016
This product is non hazardous and is transported under general conditions.
310ML/piece, 25 pieces/box; 50ML/piece, 200 pieces/box.
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