Application Areas
Protection and Potting of Optical Components, Chip Protection，It can bond silver or silver-plated layers. The bonding type of the adhesive is turbid.
Product Performance
| Item | NQ–8544AB | |
| Before Curing | Appearance | A:Colorless Transparent Liquid / B:Colorless Transparent Liquid (Turbid for the Bonding Type) |
| Specific Gravity (g/cm³) | A/B:1.06 | |
| Viscosity(25℃)mPa.s | A:6000±500 B:1200±500 | |
| Viscosity After Mixing(25℃)mPa.s | 2000±500 | |
| Curing Conditions | Curing Operation Mixing Ratio (by Weight) | A:B=1:1 |
| Working Time(25℃) | 2Hr | |
| Curing Conditions | 80℃×20min，Curing at Room Temperature for 6Hours | |
| After Curing | Hardness (Shore) | 45A |
| Light Transmittance | 94% | |
| Characteristics | After curing, it has good physical properties and can be used within the temperature range of －50℃～200℃. After a strengthening test at 180℃ for seven days, it has the characteristics of no cracking, no hardening, high light transmittance, good thermal stability, low stress, no yellowing, resistance to atmospheric aging, and low hygroscopicity. | |
Usage Instructions
Before use, remove the moisture from the materials by heating them at a high temperature of 150°C for 2 hours, and use them within 2 hours. Mix and stir Glue A and Glue B according to the above ratio, and then remove the bubbles with a centrifugal degassing machine or a vacuum degassing machine before dispensing. Then, bake and cure the product in stages according to the recommended curing conditions of the product.
Storage Conditions, Shelf Life and Packaging Specifications
The A/B components should be stored separately and hermetically in a cool and dry place at room temperature. The shelf life is 6 months. Packaging specifications: 0.5Kg/bottle, 1Kg/bottle.
Precautions
l During the storage and use of the product, it is prohibited to come into contact with compounds containing elements such as N, P, and S, or organic substances with unsaturated bonds such as alkynyl groups, as well as ionic compounds of heavy metals such as Sn, Pb, Hg, Bi, and As.
l All the silicone series products listed by our company are developed for general industrial purposes. Due to differences in equipment, materials, and operations, we cannot provide guarantees for individual cases. Please be sure to conduct comprehensive tests before use and then decide on the most appropriate usage method on your own.
The legal responsibilities for the import and export of the silicone products listed above shall be borne by the customers. Please check the relevant regulations of each country and region in advance.
