Carbon Rod Impreganted with Silver for Making Mechanical Seals
Description
Technical Parameters
Using carbon/graphite as a matrix, this product utilizes vacuum pressure impregnation with silver to improve heat transfer and performance under specific friction conditions. It is suitable for mechanical seal rings, rotating rings, stationary rings, bushings, sliding components, and other wear-resistant parts.
Data sheet of Graphite Rod with Impregnated
|
Type |
Impregnated material |
Bulk density (g/cm³) |
Hardness shore (HS) |
Flexural Strength (MPA) |
Compressive strength(MPA) |
Porosity ( %) |
Coeficient of expansion (10-6/oC) |
Max working temperature (oC) |
|
M106 G |
Silver(G) |
2.80 |
80 |
65 |
190 |
2.0 |
900 |
|
|
M106P |
Copper(P) |
2.20 |
80 |
70 |
210 |
3.0 |
6.8 |
400 |
|
M106D |
Antimony(D) |
2.2-2.3 |
85 |
62 |
190 |
2.2 |
7.0 |
480 |
|
M154D |
2.2-2.3 |
70 |
55 |
150 |
2.2 |
7.0 |
480 |
|
|
M106A |
Aluminium alloy(A) |
2.00 |
40 |
60 |
120 |
2.5 |
7.3 |
350 |
|
M106B |
Babbitt Alloy |
2.50 |
80 |
40 |
70 |
7.0 |
5.2 |
220 |
|
M106K |
Resin |
1.75 |
80 |
60 |
176 |
1.0 |
4.0 |
200 |
|
M154K |
1.70 |
70 |
50 |
100 |
1.5 |
3.5 |
200 |
Technical Parameters
|
Parameter |
Specification / Capability |
|
Product Type |
Silver-Impregnated Carbon / Graphite Rod |
|
Base Matrix |
Electro-Graphite / Carbon, According to Grade |
|
Impregnation Material |
Metallic Silver |
|
Impregnation Process |
Vacuum / Pressure Impregnation |
|
Form |
Rod / Cylindrical Blank / Machined Blank |
|
Diameter |
Customized |
|
Length |
Customized |
|
Density |
According to Material Grade |
|
Silver Content |
According to Grade / Customized |
|
Porosity |
Controlled According to Grade |
|
Hardness |
According to Material Grade |
|
Machining |
CNC Turning / Grinding / Lapping |
|
Surface Finish |
According to Drawing |
|
Inspection |
Dimensional & Material Inspection |
|
Documentation |
COA / Inspection Report, as Required |
|
Application |
Mechanical Seal Rings / Bushings / Sliding Components |
Application-Based Selection
Pressure & PV
Provide operating pressure, shaft speed, and seal dimensions to evaluate material grade and thermal load.
Temperature & Media
Provide operating temperature, media name, and concentration for material compatibility assessment.
Mating Materials
Specify mating ring materials-such as SiC, TC, ceramics, or metals-to evaluate the friction pair combination.
Dimensions & Allowances
Determine rod diameter, length, and machining allowance based on finished part dimensions and processing methods to minimize material waste.
Customization & OEM
Build-to-Print
Supports 2D/3D CAD, PDF, samples, and specifications; supply options range from raw rod blanks to finished seal assemblies.
Material Matching
Select base materials and silver impregnation specifications based on temperature, pressure, media, shaft speed, and mating materials.
Precision Machining
Capabilities include CNC turning, grinding, and lapping, with tolerances and surface finish requirements controlled according to drawings.
Samples & Production
Supports samples, small batches, and OEM mass production; specific lead times are confirmed based on specifications and quantities.
Why Choose Us
500+ Overseas Clients
We have served over 500 clients and exported products to 50 countries, with an annual sales volume of approximately 1,000,000 units; we possess extensive experience in consistently fulfilling large-scale overseas orders.
Comprehensive Range of Carbon-Graphite Products
We offer graphite blocks, rods, tubes, bearings, and bushings, as well as mechanical seals, carbon-graphite vanes, and resin-, antimony-, copper-, and silver-impregnated graphite. Our products cater to applications such as pumps and valves, mechanical seals, automotive components, and metallurgy.
Strict Raw Material Testing
We source graphite raw materials from ISO-certified suppliers and implement batch management and sample retention protocols. Incoming material inspections cover carbon content (≥99.9%), ash content (≤0.1%), density, particle size, and microstructure.
100% Visual Inspection Before Shipment
Production is controlled via Standard Operating Procedures (SOPs), with critical dimensions verified using laser measurement and Coordinate Measuring Machines (CMM). Finished products undergo 100% visual inspection alongside spot checks (30–50%) for critical performance indicators.
FAQ
Q: Can you manufacture based on drawings?
A: Yes. We support 2D/3D CAD files, PDF drawings, samples, and dimensional specifications; we can supply either raw rod stock or finished machined mechanical seal components.
Q: Can the silver content be customized?
A: Silver content is determined by the material grade and the specific application. For special requirements, we can evaluate suitable solutions once the operating conditions are provided.
Q: Can finished seal rings be purchased directly?
A: Yes. In addition to carbon/graphite rods, we can evaluate the precision machining of components such as mechanical seal rings and bushings based on your drawings.
Q: How do I select the material grade?
A: We recommend providing details regarding temperature, pressure, medium, shaft speed, seal dimensions, and mating materials. We can then assess the most suitable material for your application.
Q: Can you provide inspection reports?
A: Yes. We can provide Certificates of Analysis (COA), dimensional inspection reports, and material test reports based on order requirements; specific items will be confirmed prior to quoting.
Q: How is batch consistency controlled?
A: We implement process controls covering base materials, silver impregnation, dimensional machining, and final inspection, while maintaining records for each batch.
Q: What are the MOQ and lead times?
A: These are determined based on material grade, dimensions, machining requirements, and order quantity. Specific terms will be confirmed following the RFQ process.
Q: What information is needed for an inquiry?
A: We recommend providing drawings or samples, rod dimensions, material specifications, temperature, pressure, medium, shaft speed, mating materials, and order quantity.
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