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DongGuan Kingsida Industrial Co., Ltd

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O-ring seal

NBR(nitrile rubber buna)

NBR(nitrile rubber buna)

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Liquid silica gel products

Wristwatch

Wristwatch

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Other silica gel products

Strap products

Strap products

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Company news

Silica gel earplugs
What is liquid silica gel?
What is the NBR?
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Industry information

The silicone straw
Test method for finished products of o-type rubber sealing rings
Basic introduction of rubber seals
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Company profile

Kingsi, founded on October 31, 2017, is a professional enterprise engaged in r&d and production of silicon rubber products and non-metal die-cutting products applied to mobile phones, computers, digital cameras, earphones, LCD monitors, sweeping robots, power supplies and other electronic products.

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Certificates & Patents

Certificates & Patents

We will provide the following product quality standard testing certificates through authorized testing institutions according to the specific needs of customers.

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Cooperative partner

Cooperative partner

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Materials center

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Designation	Characteristic	Use	Product
LSR	Excellent tear strength, resilience, yellowing resistance, thermal stability, heat aging resistance	Liquid silicone rubber can be applied, impregnated and perfused	Mainly used for children's products, medical supplies and electronic products (button)

Liquid silica gel usage introduction

The name of the material	Main feature	Material resistance to temperature °C	Main application
FVMQ	Good resistance to high temperature and low temperature	-68~220	Often used in situations where oil and flame resistance are required, such as aerospace.

Fluorosilicone rubber application introduction

The name of the material	Main feature	Material temperature resistance °C	Main application
NBR	It has good oil resistance, heat resistance, wear resistance, solvent resistance and high pressure oil resistance. But do not apply to polar solvents, such as ketones, ozone and so on.	-40~120	Commonly used in the production of fuel tank, lubricating oil tank and in petroleum hydraulic oil, water, gasoline silicone oil and other fluid medium.

Application of buqing rubber

The name of the material	Main feature	Material temperature resistance °C	Main application
FKM	Excellent high temperature resistance, chemical resistance, resistance to most oils and solvents (except ketone and ester). Cold resistance is worse.	-20~220	Often used in high temperature resistance, chemical corrosion resistance, oil resistance in the working environment, in metallurgy, chemical, automobile, electric power and other industries widely used.

Fluoro rubber application introduction

The name of the material	Main feature	Material temperature resistance °C	Main application
SIL	Good heat resistance, cold resistance, ozone resistance, atmospheric aging resistance. Good electrical insulation performance. Tensile strength and wear resistance is worse than ordinary rubber and does not have oil resistance.	-55~250	It is often used for seals or rubber parts used in the household appliance industry, seals in the food machinery industry, or seals on all kinds of products in contact with the human body, etc.

Application of silicone rubber

The name of the material	Main feature	Material temperature resistance °C	Main application
EPDM	Excellent weather resistance, aging resistance, ozone resistance, chemical stability, freon and a variety of refrigerants.	-50～150	Commonly used in high temperature water vapor environment seal; Sanitary equipment seals or parts; And refrigerator and refrigeration equipment seals, etc.

Epdm rubber usage introduction

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O-ring seal
Liquid silica gel products
Other silica gel products

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