Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng
Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng Detail:
Technical Parameters
| Operating Limits | Units | Alumina Ceramics | Alumina Ceramics |
| Alumina Content | wt% | ≥ 99 | ≥ 95 |
| Volume Density | g /cm3 | 3.85 | 3.7 |
| Hardness (HRA) | HRA ≥ | 88 | 86 |
| Compressive Strength | MPa ≥ | 400 | 300 |
| Maximum Temperature | ℃ | 1500 | 1500 |
| Air Tight Test | Pass | Pass | |
| Thermal Shock Test | Pass | Pass | |
| Coefficient Of Heat Expansion | ×10-6/℃ | 8.2 | 7.5 |
| Dielectric Constant | εr20℃, 1MHz | 9.2 | 9 |
| Dielectric Loss | tanδ×10-4, 1MHz | 2 | 3 |
| Volume Resistivity | Ω·cm 20℃ | 1014 | 1013 |
| Puncture Strength | KV/mm , DC≥ | 20 | 20 |
| Acid-resistance | mg/cm2 ≤ | 0.7 | 7 |
| Alkali-resistant | mg/cm2 ≤ | 0.1 | 0.2 |
| Abrasion Resistance | g/cm2 ≤ | 0.1 | 0.2 |
| Compressive Strength | M Pa ≥ | 2800 | 2500 |
| Flexural Strength | M Pa ≥ | 350 | 200 |
| Elastic Modulus | G Pa | 350 | 300 |
| Poisson’s Ratio | 0.22 | 0.2 | |
| Thermal Conductivity | W/m·K( 20℃) | 25 | 20 |
Product detail pictures:
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we can easily offer you high-quality products and solutions, competitive rate and very best shopper support. Our destination is "You come here with difficulty and we give you a smile to take away" for Factory Cheap Hot John Crane Seals - Alumina Ceramic Rings – Xindeng, The product will supply to all over the world, such as: Senegal, Israel, Puerto Rico, Facing fierce global market competition, we have launched the brand building strategy and updated the spirit of "human-oriented and faithful service", with an aim to gain global recognition and sustainable development.
By Beulah from Mozambique - 2017.02.28 14:19
With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
By Carol from Zimbabwe - 2017.11.20 15:58
