China has one of the world’s most diverse and demanding climates.
Harbin winters can reach -30°C outdoors;
Hainan summers can reach 40°C;
In Turpan, Xinjiang, day-to-night temperature swings exceed 40°C;
During Shanghai’s rainy season, humidity often stays above 90%…
For a building material to perform reliably across China, it must withstand all these extremes.
SuperVIG® VIG is engineered for different climates.
- Case 1: Extreme Cold in Harbin
At -30°C outdoors and 20°C indoors, the temperature difference is 50°C.
Conventional windows suffer condensation and frost, lose large amounts of heat, and drive up heating costs.
How SuperVIG® VIG performs:
- U-value as low as 0.4 W/(m²·K), minimizing heat loss
- Interior glass surface stays close to room temperature, eliminating condensation
- Measured energy savings: over 40% during the heating season compared with standard insulating glass
- Case 2: Heat in Hainan
Intense solar radiation, high outdoor temperatures, and heavy air-conditioning demand.
How SuperVIG® VIG performs:
- Works with Low-E coatings to block solar heat effectively
- Excellent thermal insulation reduces heat transfer from outdoors
- Lowers air-conditioning load and delivers significant cooling-season energy savings
- Case 3: Temperature Variation in Xinjiang
Extreme day-night temperature swings create severe thermal expansion and contraction stress, causing conventional edge seals to crack and fail.
- How SuperVIG® VIG performs:
SuperVIG® uses a specially developed edge-sealing system with a thermal expansion coefficient closely matched to glass. It remains stable through repeated temperature cycles without cracking or leaking. - After simulated extreme temperature cycling (-40°C to +80°C, more than 500 cycles), performance showed no significant degradation..
- Case 4: High Humidity Wet Season in Shanghai
Prolonged high humidity accelerates sealant aging in standard insulating glass, leading to internal fogging and failure.
How SuperVIG® VIG performs:
The cavity inside vacuum insulating glass is under vacuum, leaving no moisture to cause internal fogging. The edge seal has passed damp-heat aging tests and remains stable under prolonged high-temperature, high-humidity conditions.
- In Sum
| Climates | Difficulties | SuperVIG® VIG Performance | |
| Cold | Harbin, Changchun | Condensation, frost, and high heating demand | Ultra-low U-value eliminates condensation and cuts energy use by 40%+ |
| Heat | Hainan, Guangzhou | Strong solar radiation and high cooling demand | Low-E coating + vacuum insulation reduces air-conditioning load |
| Variation | Xinjiang, Tibet | High thermal stress and edge-seal failure | Patented edge-sealing material withstands extreme temperature cycling |
| High Humidity | Shanghai, Wuhan | Seal aging and internal fogging | Vacuum structure prevents internal fogging at the source |
| High Altitude | Lhasa, Kunming | Strong UV exposure and low air pressure | UV-resistant edge-sealing material adapts to low-pressure environments |
SuperVIG®VIG
Reliable performance and environment resistant.
