Colorless 5351 Electrical Potting Compound , low viscosity silicone sealant

5351 is heat curing silicone sealant. Mainly applicable to the package of the blue chip and UV chip

5351:LED Potting sealant.

5351 is a two-component,, high transparency, heat curing silicone sealant. Mainly applicable to the package of the blue chip and UV chip. With high transmittance, no yellowing, good operability, strong adhesion and so on. By 5351 the encapsulated LED lamp has a light, light a small decline rate is high, etc.. Product is a mixture of modified poly two methyl silicone, in line with the EU ROHS environmental protection requirements.

Typical Applications

For SMD, COB, high power, multi chip LED potting

Characteristic before curing

Appearance (A component) colorless, transparent, liquid

Appearance (B component) colorless, transparent, liquid

The main chemical components (A, B component) modified poly two methyl silicone

A, B component density (25 degrees C) 1.03g/cm3

A component viscosity (25 degrees C) 4500cp

B component viscosity (25 degrees C) 7000cp

1:1 mixed viscosity (25 degrees C) 5000cp T.I.=1, ~ 1.5

Characteristic after curing

Curing type heat curing

Refractive index 25, 1.41

Transmittance >96%, 400nm, thickness 1mm

After aging, the transmittance of >96%, 400nm, thickness 1mm

Tensile strength 7Mpa

Shear strength (al - al) 3Mpa

Shear strength (al PET) 1Mpa

Hardness A shore 70

Instructions

Mixing process: the A, B group divided according to weight ratio 1:1 accurately weighed, adding fluorescent powder and manual stirring, vacuum pumping, repeated several times to ensure uniform mixing. No bubble, recommended by vacuum mixer.

Sizing: by dispensing the 5351 injection.

Curing: recommended curing conditions 80 /0.5 hours +150 hours /2 hours; optional 150 degrees /3 hours.

Storage: before mixing the A, B components to room temperature, to avoid light, sealed to save. Please use the finished in 8 hours after mixing.

Attention

Oral administration is strictly prohibited.

If skin touched, please immediately after wiping cloth class, with water or alcohol cleaning

If you accidentally contact with the eyes, rinse immediately with plenty of water, and quickly for medical treatment.

Please refer to the product's safety information MSDS.

Packaging specifications

Each group of A, B group of each bottle, 500 g/bottle, 2group/box

Shelf life

Store in a cool, dry place at room temperature for 12 months

Huitian New Material (stock code: 300041) is the oldest enterprise in China's adhesive & new material industry, with 46 years of development history, focusing on research and development, constantly breaking through the innovative technology of adhesive new material, taking the lead in solving the problem of necklace. With over 2,000 products spanning six disciplines, our offerings find extensive application in new energy, transportation, 5G communication, consumer electronics, aerospace, and beyond. We are committed to delivering new material one-stop solutions for high-end manufacturing industry head customers.

Huitian New Material has 6 R&D bases in Shanghai, Guangzhou, Xiangyang, Yicheng, and Changzhou, as well as industrial bases in Vietnam, providing customers with a stable supply of multi-series, high-quality products, and possessing a large-scale manufacturing capacity; the existing core R&D team consists of more than 300 people with PhDs and master's degrees, and it is the first "National Enterprise Technology Centre" in the domestic adhesive new material industry. Huitian New Material has been continuously investing in R&D for a long time, a joint development with customers, and forward-looking product reserve, constantly refining sustainable R&D capability; Huitian people's high-efficiency organizational force quickly responds to customers' needs and empowers and adds value to customers' products.

Huitian New Material was founded in 1977. Its predecessor was the earliest domestic research unit engaged in the research and development of adhesives. It is also a private high-tech enterprise transformed by a batch of research institutes in the country according to market-oriented operation. The company has a deep professional and technical accumulation and has been identified as a provincial-level post-doctoral industrial base and a national-level post-doctoral scientific research workstation.

In 2012, Huitian and the Chinese Academy of Sciences jointly set up the "High-Performance Adhesive Material Engineering Technology Center".

In 2013, Huitian Group inaugurated a new base and R&D center at its Shanghai headquarters to create a world-class adhesives R&D center.

In 2015, Huitian was awarded the National Enterprise Technology Centre jointly recognized by the National Development and Reform Commission, Ministry of Science and Technology, Ministry of Finance, General Administration of Customs, and General Administration of Taxation.

In 2017, Huitian Vietnam Yueyou Co., Ltd was established to start the road of overseas expansion.

In 2019, the Huitian Group set up overseas offices in Europe, America, and Southeast Asia to accelerate its overseas business development.

In 2022, Huitian New Material Japan Co., Ltd was founded and Huitian Vietnam Yueyou Co., Ltd opened a new office in the north part.

In 2023, Vina Evergreen Advanced Material Company Limited was established to invest in the overseas market, localization starts at the same time as internationalization.

In 2024, the Vietnamese factory of Huitien New Material starts production in BW Industrial Zone, Hai Duong, Vietnam, taking the first step toward overseas production.

Huitian New Materials has successively won the key high-tech enterprises of the National Torch Plan, China's well-known trademarks, China's Top 10 Most Valuable Investment Values, China's Adhesive Products Customer Satisfaction Brand, China's Top Ten Innovative Materials Enterprises, Patent Pilot Enterprises, and A series of precious honors such as honest taxpayer unit. The company has donated more than 20 million yuan to society and won the "Outstanding Contribution Award for Chinese Charity" twice.

Vision

Become the preferred expert for customers in adhesives and new materials

Bent on catching up with the world's advanced-level

Mission

Industry Serves the Country, Repays the Society

Values

Customer-centric, striver-oriented

Long-term hard work and continuous self-criticism

Culture

Competition, Reward, Innovation, Gratitude