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2021-10
1. V-shaped sealing ring is a kind of elastic rubber sealing ring acting axially, used as a pressureless seal of the rot···
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2021-10
① For oil seals used in hydraulic pumps and motor journals, not only the roughness of the sliding surface is requir···
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2021-10
The oil seal is also known as the oil protection ring. It is irreplaceable in the rotating pa···
25
2021-10
At present, all major brands of earphones or better-quality earphones are using silicone earmuffs. S···
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2021-10
What are the prerequisites for choosing earphone sleeves? The important prerequisite for earphone sl···
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2021-10
(1) Nitrile rubber. Nitrile rubber is a copolymer obtained by polymerizing butadiene and acrylonitrile in a suspension. ···
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2021-10
One: Reasons for impurities and black spots on the surface of the silicone tube:1: Raw materials cau···
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2021-10
So far, the types of resins that have been reported have reached tens of thousands, and the number o···
