Ceramic Roller Grooves for sealing on Glass Tempering furnace
Technical Data /
- Ceramic Characteristics /
1. 1 Typical Composition /
| Name | Specification | Remark |
| Silica / SiO2 | ≥ 99. 8% | |
| Alumina/ Al2O3 | ≤ 2000ppm | |
| Iron Oxide / Fe2O3 | ≤ 45ppm | |
| Copper Oxide / Cu O | ≤ 45ppm | |
| Titania / TiO 2 | ≤ 45ppm | |
| Chromium Oxide / Cr 2 O3 | ≤ 45ppm | |
| Nickel Oxide / Ni O | ≤ 45ppm | |
| Magnesia / MgO | ≤ 40ppm | |
| Sodium Oxide / | ≤ 40ppm | |
| Potassium Oxide / K 2 O | ≤ 40ppm | |
1. 2 Physical Properties / Density / :2. 00 g/cm3
| Name | Specification | Remark |
| Run out/ : | <0.15mm | |
| Roughness/ : | <1.5U | |
| Apparent porosity /: | <10 % | |
| Compressive Strength /: | > 50Mpa | |
| Modulus of Rupture /: | >20MPa | |
| Crystallinity /: Crystobalite | < 1% | |
1. 3 Thermal Properties /
| Thermal Conductivity / : 20°C: | 0. 64 | W/m°K |
| 500 °C: | 0. 81 | W/m°K |
| 1090°C: | 0.88 W/m°K |
| Expansion Coefficient / | 20 °C – 1000 °C : 0.6 x 10 -6 /°C |
| Max Use Temperature (a single thermal cycle) / : | 16 50 °C :1100 °C |
| Melt point / : | 1750 °C |
2. Surface Quality /
| Name | Specification | Remark |
| Dimensions Tolerance Unmarked / | :≤± 2mm. | |
| Flatness: Diamond finishing, convex /concavity / : | ≤± 0. 2mm. | |
| Ceramic does not have crack, corner /edge spalling, and opening bubbles. |
Note: These values are not warrant for products and system. They represent only standard material. They may also change because of continuous technology innovation.
Lever Industry Co have more than 19 years of experience in the Glass Machine Industry.
We are Unremitting, Just for Customer Satisfication!
| Contact Person : | Mr. Kevin |
| Job Title : | Sales Director |
| WHATSAPP : | +86 136 5379 2967 |
| Skype : | glasstempering |
| Email : | sales@leverglass.com |
| Website: | www.leverglass.com |
