1. Product Introduction
U-590 is a solvent-free, flexible, high-strength hybrid silicone modified adhesive. It features resistance to high and low temperatures, low viscosity, fast curing, high strength, good toughness and excellent electrical properties. It is applied to the coating and impregnation of various electronic components, electronic circuit boards, hybrid integrated circuits, LED display boards, automotive electronic control boards, flexible printed circuit boards, computer control boards, home appliance control boards, industrial control boards, semiconductor crystal circuits, etc., providing excellent protection for the coated products.
2. Product Features:
· Rapid curing, surface drying in 8 minutes, and surface drying in no more than 5 minutes at 60℃.
It combines flexibility and rigidity, and has excellent mechanical properties and toughness.
· Excellent electrical insulation performance.
It has excellent adhesion and bonding force to PCB boards, electronic components, metals, glass, plastics, etc.
It has extremely excellent weather resistance, acid and alkali resistance, solvent resistance, dust-proof, moisture-proof and salt spray resistance.
It is solvent-free, environmentally friendly, has a low odor, contains no harmful substances and is eco-friendly.
It is a single-component and low-viscosity product for convenient application.
It has excellent dimensional stability at both normal and high temperatures.
3. Usage
It is used for sealing and protection of products such as PCB boards, electronic appliances, and precision machinery.
4. Technical Parameters:
Corresponding
Sexual performance indicators | Result | Adhere to the standards | ||
Before curing | Appearance | Transparent liquid | Visual inspection | |
Relative density（g/cm³，25℃） | 1.05 | GB/T13354-1992 | ||
Viscosity (CP.S，25℃) | 100-300 | ASTM D445 | ||
Surface drying time（min,25℃） | ≤10 | Finger touch method | ||
After curing | Tensile strength（MPa） | 15.36 | ASTM D638 | |
Shear strength（MPa） | 3.76 | ASTM D-1002-01 | ||
Hardness（Shore A） | 70 | GB/531.1-2008 | ||
High-temperature and high-humidity test（85℃/85%RH） | 360h | GB/T2423.50 | ||
Elongation at break（%） | ≥65.8% | ASTM D-638 | ||
Elastic modulus（psi） | 38000 | ASTM D-638 | ||
| Peel strength（N/mm） | 5.8 | IPC-TM-650 | ||
Water absorption | 0.48% | ASTM D-570 | ||
Cross-sectional test | 0 | ASTM D3359-93 | ||
Salt spray test (5%NaCI，35℃) | 240h | GB/T 1771-2007 | ||
cThermal shock -40℃~120℃/4.3s | The paint film remained intact after 168 cycles of impact | IPC-TM-650 2.6.7.1A:2000 | ||
Average linear coefficient of thermal expansion | -50～40℃ | 117.5μm/m.℃ | ASTM E831-24 | |
50～150℃ | 309.2μm/m.℃ | |||
Volume resistivity | 1.86×1014Ω/cm | GB/T 31838.2-2019 | ||
Surface resistivity | 6.60×1014Ω/sq | GB/T 31838.3-2019 | ||
Dielectric constant | 2.860 | GB/T 1409-2006 | ||
Electrical intensity | 24.66kv/mm | GB/T1408.1-2016 | ||
5. Usage Method:
· Substrate surface: It must be clean, dry, free of foreign substances, grease and dust
· Construction methods: Spraying, dipping, brushing.
· Accelerate curing: Increase the ambient temperature, appropriately raise the humidity, or heat the substrate.
· Dilution: Benzene, lipid, alcohol, and hydrocarbon solvents can all be used. It is suggested that the proportion should not exceed 20%.
· Open the package: Pay attention to the sealing when using. Do not expose it to the air for a long time.
· Construction conditions: The ambient temperature should be above 5℃, and the relative humidity should not be less than 40%. The construction site must be well-ventilated and construction cannot be carried out in a sealed area.
6. Packaging specifications:
1kg per iron can
7. Storage and Transportation:
Store in a cool and dry place. Do not place in damp, direct sunlight, radiation or high-temperature environments. Keep out of reach of children.
This product is a non-flammable and non-explosive material and can be transported as a general chemical. During transportation, it should be protected from water, sun exposure, squeezing and collision, and the packaging should be kept intact.
· Shelf life: 6 months from the date of production. If it passes the inspection after 6 months, it can still be used.
· Transportation: This product complies with the global NDG(Non-Hazardous Chemicals) transportation standards.
8. Safety operation documentation
Product safety data is not included here. Before use, please pay attention to reading the product information, product safety data and packaging labels to ensure safe use. Product safety information can be obtained from Youli Company and its distributors.
9. Quality Guarantee - Please read it carefully
We guarantee that the product performance and usage information contained here are accurate and reliable. However, before using it, you should still test its performance, safe usage and other aspects. The suggestions for the application should not be regarded as applicable in all circumstances. Unless Youli Company provides a written proof that it is suitable for a specific need, Youli Company only guarantees the specifications listed in the product sales manual and does not guarantee other uses.
The sole responsibility of Youli Company lies in providing refunds or exchanges when the products fail to meet the listed requirements. Youli Company explicitly states that it will not be held responsible for any accidents.
Compiled by Zhejiang Youli New Materials Co., LTD
