LED Encapsulant 5088A B

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Loading Port:: Shanghai

Payment Terms:: L/C,T/T

Min Order Qty:: 1000 Pcs pc

Supply Capability:: 100000 Pcs Per Month pc/month

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LED Encapsulant 5088A/B

1.Feature

5088A/B is a two components transparent liquid thermoset alicyclic epoxy resins which is developed for LED encapsulation. High Tg, long pot life, high temperature resistance and anti-UV light without yellowing. 5088A/B is wildly used in monochrome, RGB, or 3014, 3528, 5050 and other types of leadframe. The mixed (resin & hardener) viscosity can be adjusted within 600-10000 mPa S, in order to prevent different phospher from settling.

2.Typical Properties Before Curing

Item	Unit	Resin 5088A	Hardener 5088B	Remarks
Component		Alicyclic Epoxy Resin	Acid Anhydride
Color		Transparent	Transpatent
Mixture Ratio	wt	100	120
Density(25°C)	g/cm3	1.16	1.18
Density(25°C)	g/cm3	1.17(mixture)
Viscosity(25°C)	mPa·S	3000±1000	2000±1000	Adjustable
Viscosity(25°C)	mPa·S	2500±1000(mixture)		Adjusted within 600-10000
Gel Time(120°C)	minute	8±3

PS: The above are representative of values, not specification value

3. Recommended IFU(Clean containers and tools before use. Introduction of foreign matter may affect performance of Encapsulant)

Step	Action	Caution
1. preheating of resin	Clean the container before use, 100 aliquots of 5088A is preheated at 80°C for 40min.	Make sure container is clean
2. Mixing	120 aliquots of 5088B is added into 5088A, which is already preheated. Mix well with mixing propeller at 200rpm for 10-20 min.	A: B=100:120 (w/w) make sure proper mixing
3. Defoaming	Vacuum machine with vacuum degree at -0.1MPa is used for 2-10min until bubbles are completely removed.	Make sure there is no bubble left
4. Encapsulation	Use a dispenser to dispense. Clean the encapsulant left within the dispenser before use	Make sure there is no other foreign matter within the dispenser
5. Initial Roast	Keep holder in the oven at 120°C for 1h	Make sure there is no other Encapsulant in the oven. Timing begins after oven temeperature reachs 120°C
6. Long Time Roast	Keep holder (after initial roast) in the oven at 150 °C for another 2.5h	Make sure there is no other Encapsulant in the oven. Timing begins after oven temeperature reachs 150°C

Notes: the mixture should be used within 10h after mixing. Viscosity would rise over time, which will influence performance. Call technical service if you have any questions.

4.Typical Properties After Curing

Item		Unit	Value	Remarks
Recommended Curing Conditions		120°C×1h+150°C×2.5h
Glass Transition(Tg)		°C	158	TMA
CTE	<Tg	ppm/°C	65	40°C~80°C
CTE	>Tg	ppm/°C	168	190°C~210°C
Flexural Strength		N/mm2	95	GB/T 2567-2008
Flexural Modulus		N/mm2	3000	GB/T 2567-2008
Hardness(Shore D)			>85	Shore D
Refractive Index			1.50±0.01	Abbe
Water Absorption		Wt%	0.3	100°C/1hr

PS: The above are representative of values, not specification value

5.Packaging

5088A:1.0kg Fluoride Drum

5088B:1.2kg Fluoride Drum

6.Shelf Life

6 months under room temperature.

7.Safety

5088A may cause injury to skin following prolonged or repeated contact. Prevent prolonged or frequent contact. if contact occurs, wash at first opportunity with soap and water.

5088B may cause skin sensitization or other allergic responses. Avoid inhalation of vapor. Prevent all skin contact. If contact occurs, immediately with soap and water.

If you need to know about Safety and operating method of the detailed content, please refer to the MSDS (Material Safety Data Sheet)

Delivery:

Shipping Service	Estimated Delivery Time
DHL	2-8 business days
FedEx	3-8 business days
TNT	2-10 business days
UPS	1-7 business days
EMS	6-14 business days
ePacket	7-12 business days
China Post Air Mail	7-15 business days
China Post SAL	14-30 business days
By Sea	30-40 business days

1. 3-5 business days for Sample Orders; 7-15 business days for Bulk Orders for Bulk Orders.

2. "Business days" means Monday-Friday, excluding holidays.

3. DHL and UPS cannot ship to military or P.O. boxes address

4. The Shipping Service above is for reference only, for any other questions, please feel free to contact us.

Q: What determines the brightness of the patch LED?: The current through the lamp itself. If the same lamp, so it is necessary to ensure consistency in the different current circuit, the test voltage of little significance, especially in the case of parallel lamp, current a few beads each share is not the same, some big, some small.

Q: Production of a number of substrates, the use of SMD LED lights, red lights and green lights are not bad, blue lights appear mass dark, do not know why? Is the LED blue light material easy to use dark?: If you choose the brightness of blue light in the light of the relatively high, so when debugging the white balance (by changing the resistance to change the current, and then change the RGB brightness LED lamp), it is difficult to transfer to the pure white. Therefore, when selecting the lamp, the blue light is generally not bright.

Q: What is the difference between SMT LED packaging with silicone and epoxy resin transparent package? What is the market situation of these two types of packaging?: At present, it is basically made of silica gel, and the epoxy resin is very few. Only those with lower price may use some. Why is it rare to use epoxy? Because of the use of LED epoxy patch cited some discomfort because the cable used in the above: reflow welding, high temperature resistant epoxy epoxy and silicone not lead to separation, produce decay dead lights etc..

Q: Indoor full color LED display module and LED what is the difference between a full color?: The classification of the LED display according to the installation environment: indoor LED display screen, semi outdoor LED display, outdoor LED display; according to color: color LED screen, dual color LED display screen, LED display screen, the color LED display screen; according to the functional area can be divided into graphic screen, screen, screen, screen, digital dot matrix digital hybrid screen.

Q: What should I notice when I want to solder 1206 LED patch type luminous tube on fine copper wire?,: The power of the soldering iron should not be too big. Generally choose 20--35 watt welding time as short as possible, it is best to hang the copper wire on the solder, do not use solder paste in the soldering flux, and choose the rosin as well

Q: Is the forward voltage drop of the patch LED too large or too small?: Pressure drop does not mean good or bad, the greater the pressure drop, the better to choose the right for you

Q: Which is good for LED patch and LED bulb?: LED (light emitting diode) patch (package)LED patch (SMD) made by FPC circuit board, LED, high quality silica gel. The waterproof performance, using low voltage DC power supply is safe and convenient, light colors, bright colors; outdoor use can be anti UV aging, yellowing, high temperature resistance and other advantages, the products are widely used in building lights, decorative lighting, advertising - Entertainment decorative lighting lighting field.LED bulbA solid state semiconductor device that converts electric energy into visible light by means of LED (light-emitting diode), which converts electricity directly into light; LED = Large, Electronic, Display,;

Q: Does anyone know what the current rating of a white high brightness LED patch is? Where can I find out?: Generally small power LED rated current is basically 20mA

Q: Patch LED features: The principle of luminescence is that of cold luminescence, not by heating or discharging light, so the component life is about 50~100 times longer than that of tungsten filament bulb, and about one hundred thousand hours.

Q: The quality of the LED patch module: Life。 LED's life is considered 100000H. In fact, LED products in 10 or 20 years to reach 100000 hours, and now the best LED life expectancy is only 50000 hours. Incandescent lamp for 1000 hours, fluorescent lamp for 2000 hours, neon for 10000 hours. The so-called "100 thousand hours" was only measured by scientists at room temperature at room temperature. After the formation of LED and chip packaging products, even the top of the chip, due to differences in the production of advanced packaging using the equipment, technical differences, the different forms of packaging, management, as well as the difference between the way users, resulting in life are not the same. Patch LED, life can reach 40000-50000 hours; piranha LED, life expectancy of 30000 hours, inline LED, life expectancy is 10000 hours. Of course, with the advances in chip and packaging technology, these data will gradually increase. The premise is that you understand an important concept, LED life means when the brightness of LED is 70% of the original brightness, we decide the LED life to this end.

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