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Description:
lign="left">Service life less than 20 years. FrangibilityService life more than 30 years. Durability | |||
Cost
| Cheap but high maintenance costs | Expensive and high maintenance costs | Reasonable price
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Commonality
| Over -20°C
| -20°C-40°C, in high temperature easy to transfigure. | -40°C-80°C
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Social benefits
| High energy consumption, not environmentally-friendly window | Green product.
| Green product
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