back up ring
USD $0.02 - $1 /Piece
Min.Order:50 Pieces
Xingtai Huimen Seals Co., Ltd.
Technical Data
Material: virgin PTFE/PTFE filled bronze
Property | Item No. | Unit | Value | ||
Mechanical Properties | 1 | Density | g/cm3 | 2.18 | |
2 | Water absorption (23ºCin air) | % | <0.05 | ||
3 | Tensile strength | MPa | 25 | ||
4 | Tensile strain at break | % | >50 | ||
5 | Co-efficient of friction (on steel and ground) | - | 0.08-0.10 | ||
6 | Charpy impact strength (at 23ºC) | KJ/m 2 | No break | ||
7 | Tensile modulus of elasticity | MPa | 700 | ||
8 | Rockwell hardness | - | M30 | ||
Application
1, Aviation industries: Medium lead equipments in hydraulic pressure system and the high, middle, low pressure piping in the cold pressure system of airplane, capacitor and so on.
2, Construction and building industries: Bridge, tunnel, steel structure house-support, large-scale chemical pipeline, supporting block of store trough, the supporting pedestal of bridge and the bridge-span circumvolving system and so on.
3, Chemical machine equipment industries: Widely applied in the bearing of paper-making
Machine and agricultural machine, as the piston ring, machine tool oriented rail and
Oriented ring.
4, Electronic and electrical industries: Can make insulated wire, capacitor, radio insulated
Gasket, insulated cable, and the parts of transformer, oxygen sensor, microphone,
Loudhailer and robot.
5, medical treatment field: PTFE is the totally inert material, which has very strong biology
Applicability, has not any circadian side-effect to the body. So it can be applied in surgical
Operation suture for the body parenchyma regeneration.
Features
1.Highly durable
2.Abrasion resisting
3.Resistance against corrosion
4.Low maintenance cost
5.Dimensional accuracy
6.Easy to install
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