SSIC silicon carbide sealing ring
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- Supply Capability:
- 10000 pc/month
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Specification
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Silicon carbide seal rings Definition - silicon carbide material, depending on the process, after a certain production methods, the production of a silicon carbide products. Its purpose - use is quite extensive, a variety of mechanical products can be applied to, depending on the specifications, the production of different types of products, and ultimately to play a role in sealing. How to develop silicon carbide seal ring market - depending on the product positioning market, according to market distribution brand. Prospects silicon carbide seal ring - prospects for development is still quite widely, in general, based on the current process, innovation, products more promising.
Feature
1. plasticity - as long as the silicon carbide material has a certain process, it may be compressed into various shapes of blank, then a second and can be processed, shaped into products that customers need.
2. corrosion resistance - silicon carbide seal ring may be in the acid environment, the sealing effect is not reduced.
3. abrasion resistance - silicon carbide seal ring through a certain finishing process, so to achieve high-precision flat and smooth, plus the wear resistance of silicon carbide, silicon carbide seal ring so you can use mutual friction. In high-temperature performance, wear performance is not reduced.
4. High temperature resistance - due to the material properties of silicon carbide, silicon carbide seal ring and therefore has a high temperature resistance, depending on the process, high temperature performance is not the same. The reaction sintered silicon carbide seal ring can be used at 1300 degrees without pressure sintered silicon carbide seal ring can reach 1600 degrees.
Here are some of the pressure sintered silicon carbide products, physical and chemical parameters:
medium | content | Causticity | |||||||
Atmospheric SIC | The reaction SIC WC | WC | AL2O3 | ZrO2 | Si3N4 | stainless steel | steel | ||
HNO3 nitric acid | 50% | A | A | C | A | A | C | C | C |
Hydrochloric acid HCI | 35% | A | A | C | A | A | C | C | A |
Sulfuric acid H2SO4 | 98% | A | A | C | A | A | C | C | A |
Hydrofluoric acid HFF | 40% | A | C | C | C | C | C | C | C |
Phosphoric acid H5PO4 215OC | 85% | C | C | C | C | C | C | C | C |
HNO3+HF | 20%+5% | A | C | C | C | C | C | C | C |
Sodium chlorate NaCIO | 10% | A | B | C | A | A | A | C | A |
Sodium hydroxide NaOHH | 50% | A | C | A | B | A | B | A | A |
Potassium hydroxide KOH | A | C | A | B | A | B | A | A | |
Acetic acid CH3COOHH | 80% | A | A | C | A | A | C | C | C |
Sodium sulfate + Na2CO3 + H2SO4 925OC
| A | A | C | A | A | C | C | B | |
Silica solution SIO2
| B | C | C | C | C | C | |||
Assessment Method: the specimen prior polishing, immersed in the test liquid (70OC) for 100 hours, the weight was measured and observed microstructure, weight reduction is calculated by the degree of corrosion was observed microstructure for corrosion to comprehensive judgments. | |||||||||
A level (corrosion): corrosion rate ≤0.125mm / ingredients in a small amount of corrosion observed slice | |||||||||
Level B (somewhat resistant): corrosion rate = 0.125-1.0mm / or annual corrosion rate ≤0.125mm / observe a large number of corrosion | |||||||||
Class C (resistant to corrosion): corrosion rate ≥1.0mm / or the main ingredient of Corrosion
Silicon carbide performance indicators
Index Name
| Atmospheric SiC | Reaction Bonded Silicon Carbide |
Purity (%) of silicon carbide | ＞ 97 | ＞90 |
Density (g / cm) | 3.06-3.15 | ＞3.05 |
Particle size (um) | 0.5-0.7 | 8-20 |
Hardness (HRA) | ≥90 | ≥90 |
Flexural Strength (MPa) | 400-580 | 350-450 |
Compressive strength (MPa) | 3900 | ＞2500 |
Fracture Strength (MPa) | 3.05-4.6 | 4.3 |
Elastic Modulus (GPa) | 380-410 | 420 |
Thermal conductivity | 102.6 | 35-110 |
Coefficient of thermal expansion (1 / ℃) | 4.02×10 | 4.3×10 |
Poisson's ratio | 0.14 | 0.15 |
：
- Q: Classification of sealing strip by use
- Y ring seals, piston seals, sometimes static sealsMechanical seals, pumps, turbines, high pressure vessels, compressors, agitation. A combination of different materials, including metal bellows seals, can be usedThe oil seal is sealed or sealed with other seals, and dustproofSplit slip ring seal, hydraulic turbine, steam turbine, multipurpose graphite, slip ringLabyrinth seal steam turbine, pump, compressor reciprocating, should be high speed, low speed do not useFloating ring seal pump and compressorCentrifugal seal and screw seal pumpThe magnetic fluid sealed compressor is only used in gas mediumTable 29.2-3 types and applications of dynamic sealsVacuum pressure (absolute pressure) /MPa (g) /MPa / C working temperature line speed of /m - S-1 / M - H-1 leakage rate using the term applicationPacking sealing 1.33 * 10-3, 31.38 -240 ~ 6002010~1000 - clean centrifugal pump, plunger pump, valve stem sealContact forming packing, extrusion type, 1.33 * 10-7, 98.07 -45 ~ 230100.001 ~ 1 ~ 0.16 months hydraulic cylinder, hydraulic cylinderLip type 1.33 x 10-9 0.1 to 10Rubber oil seal - 0.29 -30 ~ 150123~6 months bearing sealing and dust-proof
- Q: The difference and advantages and disadvantages of single lip seal and double lip seal
- Single lip seal structure is simple, a little poor sealing, but the installation time is convenient; double lip sealing structure is complex, a little good sealing, but the installation is better than single lip seal
- Q: How long will it take for the seal to age naturally after the seal has been installed on the cylinder?
- This question you can consult their agents, my personal opinion is: 1. sealed packaging storage; there is no need to not open the package; 2., placed in a cool and dry place, away from the heat source! The failure of sealing ring, will change color or blooming phenomenon!
- Q: It's three yuan ethylene propylene sealing stripEPDM rubber sealing strip production enterprises are relatively concentrated or relatively large scale
- Aluminum Alloy seal doors and windows, steel doors and windows, glass curtain wall seal sealant, container door seal and a door sponge rubber sealing strip, sealing tape, self-adhesive frozen door sealing strip, the doors of the glass slide, door trim, sponge sealing strips and retaining of the glass doors, glass windshield seal, fire seal flame retardant, pipe, tube, silicone tube, winding hose, water pipe, air pipe and oil pipe, automotive rubber seal, EPDM seal, with flexible sealing strip, sponge foaming adhesive tape, sealing tape, foam tape
- Q: What are the seals that are resistant to 500 degrees of high temperature?Airtight chamber gas temperature up to 500 degrees, what are the appropriate seals available? Thank you
- If it is sealed gas, ceramic fiber paper is not possible, and 500 of the temperature, PTFE material will be even worse
- Q: Is polyurethane TPV suitable for sealing products?
- The needle, stopper, bottle, Straw, casing and other soft parts;7 、 flashlight shell, children's toys, toy tires, golf bags, all kinds of grips, etc..- electronic appliances1. All kinds of earphone wire, earphone wire connector;2, mine cable, numerical control coaxial cable, ordinary and high-grade wire and cable insulation layer and sheath;3 、 power socket, plug and sheath etc.;
- Q: How long is the shelf life of the cylinder seals?
- Normal use can generally reach thousands of hours, mainly depending on your working conditions, such as the use of temperature, matching accuracy, cylinder processing accuracy, surface roughness, pressure, and so on
- Q: What's the difference between a seal and a sealing strip?
- In fact, there is no difference, that is, the name is not the same. The concept is that the seal is greater than the seal.
- Q: Excuse me, what's the material for the general piston ring?
- application areaBecause of the above properties, PTFE is widely used in chemical machinery, electrical, electronic, metallurgical, defense aerospace, instrumentation, metal surface treatment, pharmaceutical, medical, textile, food and other industries, to become irreplaceable products. 1., filled with PTFE bearings, used in food, chemical, paper, textile machinery;
- Q: How do you determine the assembly direction of the cylinder seals?
- Look at your choice of sealed form, two-way sealing products do not have to consider the direction of installation, but some lip products, such as Y ring, we should consider the direction of the lip and the direction of the oil pressure coordination
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SSIC silicon carbide sealing ring
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
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