GB/T 35598-2022 in English
VALIDHeat resistant appliance pressed from borosilicate glass
- Issued on:2022-10-12
- Implemented on:2023-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
《GB/T 35598-2022硼硅酸盐玻璃压制耐热器具》由TC178（全国玻璃仪器标准化技术委员会）归口，主管部门为中国轻工业联合会。
Introduction
Analysis of Standard Core Upgrade
Overview of Technical Specification Evolution (2017 VS 2022)
| Revision dimensions | Key points of this standard | Upgrade range theoretical value |
|---|---|---|
| Reconstruction of thermal stability indicators | Expand the temperature range of glass materials to cover the industrial critical point 20-300℃ environment | Optimization of λ value xi by 17.5% |
| New definition of chemical compatibility | Clear B₂O₃ ratio structured control module | Effective content error ±0.15% |
| Precise determination of migration elements | Establishment of a three-level progressive calibration method for food-grade Pb/Sb/As precipitation | Detection accuracy Δ≤0.003mg/dL |
Necessity demonstration of key technologies
The 2022 version first introduces the rigid execution detection item of fully automatic spectrometer measurement device. In response to the inaccuracy of traditional manual calibration, it requires the reading error of the Baume corrosion detector to be reduced to ±1%: in particular, the adaptation temperature of the non-enclosed water-resistant coating is increased by 19°C to adapt to the new format of household baking utensils.
Industry impact and investment analysis survey
Case A: The production trend report of a glass group in Shandong shows that according to the new standard, the intelligent high-temperature tinning control system was put into production on the production line, and the investment payback period of the ASTM crystal detection unit was shortened to 3.2 years, which significantly improved the international competitiveness of glass tableware.
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