2 – Part fluorosilicone sealant can effectively resist solvents, lubricants and gasoline
JOMS 1800 Is a transparent two-component organic fluorosilicon gel, solidified to form a soft and self-buffered special material. Used to isolate moisture and other harmful pollutants and corrosive gas erosion contact circuit board, and to provide insulation for high voltage. Another use is to provide stress elimination to protect the circuit and interconnector from high temperatures and mechanical stresses.
product details
JOMS1800 A / B fluorine-silicone gel
Product characteristics and uses
JOMS 1800 Is a transparent two-component organic fluorosilicon gel, solidified to form a soft and self-buffered special material. Used to isolate moisture and other harmful pollutants and corrosive gas erosion contact circuit board, and to provide insulation for high voltage. Another use is to provide stress elimination to protect the circuit and interconnector from high temperatures and mechanical stresses.
1:1 Add molding, easy to mix
Excellent softness, eliminating mechanical stress
TWO COMPONENT, FLUORO SILICONE GEL Dielectric, Heat-Accelerated-Cure
Very low acoleabilicity after curing
High temperature electric insulation, provide protection for high voltage
Excellent aging resistance and weather resistance
Excellent anti-corrosion, moisture-proof, and chemical-resistant medium performance
Can be used for semiconductor modules, connectors, sensors, etc
Precuring features
| Part A: Part B | |
| Surface Colorless liquid Colorless liquid | |
| Viscosity, 25℃, mPa.s 1000 500 | |
| Specific gravity, g/cm3 1.25-1.3 1.25-1.3 | |
| mixing ratio A:B=100:100 | |
| After mixing viscosity 750 mPa.s | |
| Operating time was 40 ± 10 min for 25℃ after mixing | |
| Gel time 90 min for 25℃ after mixing | |
| Recommended hardening conditions | At 25℃ for 24 h or 80℃ for 60 min |
| Sclerosis appearance Colorless and transparent | |
| Needle penetration degree, 1 / mm 30 | |
| Dielectric strength (KV / mm) 25 | |
| Volume resistance
(Ω · cm) DC500V |
1.0×1015 |
| Loss factor (1 MHz) 0.009 | |
| Dielectric constant (1 MHz) 2.8 | |
| Use the temperature range – 60 ∽ 250 ℃ | |
Typical application
The sealing protection of electronic components, automobile exhaust sensor, urea sensor, oil tank temperature sensor, connectors and other products in contact with oil, fuel and solvent.
product packaging
A / B packaging are 1 kg / pot, A set of 2 kg
Other small specifications or aluminum foil bag packaging should be customized
Operation process
Compactions A and B are weighed in A 1:1 ratio, mixed evenly, and injected directly into the components (or modules) requiring sealing protection.
The sealed elements can be heated and cured (80℃, about 30 minutes) or directly at room temperature, taking about 6 hours for preliminary curing.
matters need attention
The vacuum desoaming of the mixed AB components can improve the performance of the hardening products
Group A and B should be sealed and stored after use
l JOMS 1800 With substances containing sulfur, amine, phosphorus, nitrogen elements, containing mechanical heavy metal compounds (such as organotin), peroxides (double
Two and four, double two and five vulcanizing agent), containing unsaturated double bonds (such as PVC,
isocyanate, acetinyl alcohol) and other materials contact will be difficult to harden
Too low temperature will lead to slow curing speed, so it is recommended to heat and cure
Too high temperature will lead to increased curing speed, it is recommended to use immediately
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