Jovvi international
| Delivery Time | 5-8 Work Days |
| Packaging Details | In Wooden Case Or Customized |
| Place Of Origin | China |
| Light Transmission | 84-86% |
| Density | 5.5 G/cm³ |
| Transmittance | 85% - 95% |
| Supply Ability | 2000 Pcs Per Month |
| Lead Equivalent | 4mmPb |
| Surface Finish | Polished |
| CeO₂ Content | 0.8 -1.2 wt% |
| Payment Terms | T/T |
| Certification | CE |
| Brand Name | Jovi |
| Model Number | 1-cf-15 |
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Product Specification
| Delivery Time | 5-8 Work Days | Packaging Details | In Wooden Case Or Customized |
| Place Of Origin | China | Light Transmission | 84-86% |
| Density | 5.5 G/cm³ | Transmittance | 85% - 95% |
| Supply Ability | 2000 Pcs Per Month | Lead Equivalent | 4mmPb |
| Surface Finish | Polished | CeO₂ Content | 0.8 -1.2 wt% |
| Payment Terms | T/T | Certification | CE |
| Brand Name | Jovi | Model Number | 1-cf-15 |
Diagnostic X‑ray tubes produce a spectrum of photons peaking between 50 and 150 keV. Nuclear medicine, however, deals with discrete gamma energies that vary by isotope. This fundamental difference drives different lead glass specifications.
| Parameter | X‑ray/CT Room | Nuclear Medicine (SPECT) | Nuclear Medicine (PET‑CT) |
|---|---|---|---|
| Photon energy range | 50–150 kVp (continuous) | 140 keV (⁹⁹ᵐTc), 364 keV (¹³¹I) | 511 keV (annihilation) |
| Interaction dominance | Photoelectric effect | Photoelectric + Compton | Compton scattering |
| Lead glass effectiveness | Excellent (high Z) | Good | Moderate (requires composite) |
| Browning risk | Low | Moderate | High |
Prolonged gamma exposure causes lead glass to turn yellow‑brown due to color center formation. Jovvi nuclear grade glass contains 0.8–1.2 wt% CeO₂, which traps holes before they form stable color centers. Testing confirms: after 10⁶ mGy (typical SPECT control room, 10 years), ΔE color change <3.0 – barely detectable.
A 1,200×800 mm lead glass panel can have local variations in lead distribution. Jovvi performs 100% grid scanning (20×20 mm resolution) to ensure attenuation varies by no more than ±0.08 mm Pb. For nuclear medicine, non‑uniformity creates "hot spots" behind the glass – unacceptable.
In X‑ray rooms, a small bubble is a cosmetic issue. In nuclear medicine hot labs, where pharmacists read syringe graduations through glass, a bubble >0.5 mm directly over the scale can cause dosing errors. Jovvi nuclear grade guarantees zero bubbles >0.3 mm in the central 100 mm diameter viewing zone.
Small panels (300×400 mm) for fume hoods experience repeated opening/closing vibrations. Jovvi applies edge chamfering (0.5×45°) and chemical strengthening to resist chipping – nuclear grade panels have 2× the edge strength of standard.
Each nuclear grade panel receives a Nuclear Medicine Quality Dossier:
This dossier satisfies most hospital physics department requirements without additional testing.
Company Details
Year Established:
2010
Total Annual:
10000000-20000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
Jovvi(Beijing Hengtai Tech Co., Ltd) was established in 2010. The company adheres to the development concept of “integrity all over the world and conducts all continents”, adheres to the business policy of “strive to create greater value for customers”, and is committed... Jovvi(Beijing Hengtai Tech Co., Ltd) was established in 2010. The company adheres to the development concept of “integrity all over the world and conducts all continents”, adheres to the business policy of “strive to create greater value for customers”, and is committed...
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