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Product Details:
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| Name: | High Strength Alumina Ceramic Parts Eyelet Guide For Textile Machinery | Linear Expansion Coefficient: | ＞7.1 |
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| Flexural Strength: | ＞320GPA | Water Absorption: | 0 |
| Elastic Modulus: | ＞280GPA | Material: | 95% & 99% Al2O3 |
| Highlight: | porous ceramic disc,porous alumina plate |
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| Product name | Textile ceramic eyelet guide |
| Material used | Alumina, Zirconia, Tatania, all material meet RoHS, REACH appliance |
| Forming | Hot pressing, dry pressing, ceramic injection mould, ISO pressing |
| Color | White, black, pink, red, yellow color available |
| Size capability | Outer diameter:the max. OD can be up to 120mm |
| Typical design | Ceramic eyelet, ceramic loop, ceramic hook guide, ceramic pigtail and so on |
| Advantage |
1.Excellent wear-resistance with long service life-time, 2.Cost-effective than metal ones and easy protyping to mass production, 3.Meet FDA, RoHS, REACH appliance. |
| Quality inspection |
Fully inspection: visual & key dimensions every batch; Sampling inspection: regular dimensions and performance parameters |
| Application | Widely used as ceramic yarn guide, ceramic thread guide, ceramic wire guide |
| Performance For Industrial Ceramic | ||||||
| Item | Unit | 95 Al2O3 | 96 Al2O3 | 99 Al2O3 | ||
| Physical Characteristics | Heat resistance | 0C | 1500 | 1550 | 1800 | |
| Bulk density | g/cm3 | 3.6 | 3.6 | 3.9 | ||
| Water absorption | % | 0 | 0 | 0 | ||
Mechanical Characteristics |
Flexural strength | Mpa | 320 | 340 | 360 | |
| Hardness vickers | Gpa | 12.2 | 13.5 | 15.6 | ||
| Elastic modulus | Gpa | 280 | 320 | 370 | ||
| Poisson’s ratio | 0.22 | 0.23 | 0.23 | |||
| Thermal Characteristics | Linear expansion coefficient | (20-5000C) 10-6/0C | 7.1 | 7.2 | 8 | |
| Thermal conductivity | w/(m.k) | 16 | 24 | 32 | ||
| Specific Heat | *10-3J/(kg*K) | 0.78 | 0.78 | 0.9 | ||
| Electrical Characteristics | Dielectric constant (1MHZ) | - | 9 | 9.4 | 9.9 | |
| Dielectric loss angle | *10-4 | 15 | 5 | 1 | ||
| Dielectric strength | *106V/m | 12 | 15 | 15 | ||
| Processing technology | ||||||
| Process range (mm) | ||||||
| Outside Diameter | 1---300 | |||||
| Inside Diameter | 0.5---300 | |||||
| Length | 0.5---600 | |||||
| Accuracy of working (mm) | ||||||
| Perpendicularity | 0.001 | |||||
| Concentricity | 0.001 | |||||
| Roundness | 0.0005 | |||||
| Straightness | 0.005 | |||||
| Parallelism | 0.01 | |||||
| Planeness | 0.005 | |||||
| Roughness | 0.005 | |||||
| Fit clearance | 0.005 | |||||
Contact Person: Mr. Bruce
Tel: 86-18351508304
Fax: 86-510-8746-8690
