ZG-511-D Type High Temperature Insulation Anti-corrosion Three-proof Silazane Coating

Because the Si-N bond in polysilazane has great bond energy and stability, its molecular arrangement is stable in the electric field and electrons are difficult to migrate. It is also paired with composite fillers with high insulation and high temperature resistance. In this way, a high-temperature and voltage-resistant insulating coating with outstanding comprehensive performance can be achieved.

1. Molecular structure adjustment technology, ultra-high dielectric coefficient

ZG-511-D has adjusted the optimal "tassel-type" branched structure through theoretical design and more than 100 experiments, thereby forming a dense and uniform three-dimensional cross-linked form during curing, coupled with the strong SI-N bond bond energy, thereby achieving excellent mechanical strength and stable electrical insulation. It can be used stably for a long time and is not prone to performance degradation due to aging, wear, corrosion and other external factors.

2. Composite filler space integration technology is denser, more stable and more complete

According to the characteristics of the resin, ZG-511-D selects highly insulating and high-temperature resistant fillers with multiple particle sizes and different morphologies, and uses them in conjunction with each other to form a stable skeleton structure. At the same time, we added special stabilizing additives to the formula. On the one hand, it improves the bonding strength between resin and filler and eliminates defective interfaces as much as possible. The newly added stabilizing agent can also capture local weak currents due to its large "π" bond. This can further improve the overall performance of the coating, including high temperature resistance, wear resistance, corrosion resistance, aging resistance, resistance to strong oxidants, and long service life.

Standard processing procedures:

Surface cleaning → roughening → cleaning and blowing → ZG-511-D treatment → curing

Process description:

1. Roughing treatment: Grind or sandblast the surface of the substrate before coating to remove rust, dust, dirt, etc. attached to the surface of the object to be treated. The roughening treatment has a great influence on the coating effect. The best is Sa2.5 and the minimum is St3 without scale (GB/T 30790.4-2014), so please pay full attention.

2. Cleaning: Use special cleaning agent or degreasing agent to remove oil, dust, etc. remaining on the roughened surface.

3. Dry base material: Make sure the surface of the base material is dry and clean before coating.

4. Paint mixing: This product is a two-component product. Take an appropriate amount of paint according to the ratio and stir thoroughly to mix evenly. Filter with 180 mesh and set aside.

5. Paint application: The laboratory spraying method of 1.0-1.5 caliber spray gun has better appearance and uniformity.

6. Curing: When the coating thickness exceeds 100um, it is recommended to use normal temperature curing:

Coating thickness less than 100um can be cured at room temperature or high temperature;

For film thickness between 50-100um, it is recommended to cure at 180℃ for 40 minutes;

If the film thickness is less than 50um, it can be cured at 180-200℃ for 30 minutes.

Special instructions: This product is a two-component heat-curing product. Please use the mixed paint within 4 hours. When the construction time is long, construction tools should be cleaned to prevent construction tools from solidifying. The recommended interval between repeated spraying is 5-8 minutes, and the thickness each time is less than 40um.

Storage and transportation
1. It must be stored in accordance with national regulations. The storage environment should be dry, cool, well ventilated, and away from heat and fire sources. Packaging containers must be kept tightly closed and stored with care.

2. The storage temperature should be between 10℃ and 30℃, and the storage period is 6 months.

3. Unused paint must be stored with the lid closed and sealed.

4. The prepared unused paint cannot be recycled and should be disposed of in accordance with local regulations.

5. Products that have exceeded the shelf life can only be used after passing the test.

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