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高硼硅特種玻璃

高硼硅玻璃管

主要規格:Ф37、Ф47、Ф58、Ф70
產品特點:采用3.3的硼硅玻璃,具有一級抗水解性能的硼硅玻璃,具有化學穩定性高,機械性能好,耐用,耐熱,耐蝕,耐沖擊等特點。
用    途:適用于制造全玻璃太陽能真空管集熱管 
技術指標:
外徑:37mm±0.8mm,壁厚1.55mm±0.15mm,長度1400mm±50mm
外徑:47mm±1.0mm,壁厚1.55mm±0.15mm,長度1700mm±50mm
外徑:50mm±1.0mm,壁厚1.55mm±0.15mm,長度1700mm±50mm
外徑:70mm±1.0mm,壁厚1.55mm±0.15mm,長度1700mm±50mm
耐熱沖擊:230℃
膨脹系數:(3.3±0.1) ×10-6K-1
密度:2.23±0.02
太陽透射比:≥0.89



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