I. Introduction: LD-800A / B series light-emitting diode package with epoxy resin (used for high-end LED package, the full import of raw materials), has a high light transmittance, excellent craftsmanship and electrical and physical parameters for high ideal water through the pipe material, the following features:
1. Low viscosity, degassing performance;
2. Early reaction smooth, low thermal shrinkage stress, high reliability package products;
3. Excellent transmittance of encapsulated products.
4. To add without outside Silicon spraying release agents, mold strip.
Second, it is recommended that the use of technology:
Mixing ratio (weight ratio) 100:100
Time (40 ° C, 35g hrs)> 3.5
The curing conditions (℃ / hrs) 130 ℃ / 30 ~ 40min demolding 100 ~ 120 ℃ / 4 ~ 5h aging.
1 A material use before preheated to 40 ~ 50 ℃, and then added in proportion to the B material, mixing until fully homogeneous.
2 3 toor/40 ℃ mixture of (A + B) vacuum degassing, to see the level drops to 10 to 15 minutes to stop the deaeration.
3 is potting of the device to be pre-baked at a temperature of 70 ~ 90 ℃ 1 hour to tide.
4 recommended under vacuum Epoxy potting.
5 such as the use of DF-090 light-diffusing agent to increase the amount of material B, increasing the amount of half of the amount of DF-090.
6 such as the amount of use creams to increase the amount of material B, and to increase the amount and add Segao.
Three purposes: LED and other electronic devices for high transmittance package.
Fourth, after the curing characteristics:
Hardness (25 ℃, Shore-D)> 88
Volume resistivity (25 ℃, Ω • cm)> 1015
Surface resistance (25 ℃, Ω)> 1014
Dielectric strength (25 ℃, kV / mm)> 23
Linear expansion coefficient (1 / ℃) <6.0 × 10-5
Absorbent (100 ℃ / 1h,%) <0.35
Tg values (° C)> 125
Transmittance (%)> 96
, Storage, transportation and considerations:
1. Such products are non-dangerous goods, as a general chemical storage, product storage period to see the package label.
2. B material is easy to absorb moisture and air, be sure to immediately tightly after use.
3. Curing temperature over 130 ℃ yellowing may occur, it may be more difficult to mold release time is too long.
Sixth, packaging specifications:
Packaging 6KG plastic barrel, barrel side company label.
Note: The above performance data for the product in 70% humidity, the temperature was 25 ℃ typical testing data for customers to use only reference, is not guaranteed to achieve all the data in a particular environment. Please use customers, to the measured data
