E-cam neden 900°C'de çalışmıyor?

<span style='box-sizing: border-box; margin: 0px; padding: 0px; color-scheme: light; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(0, 0, 0); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 14px; text-align: left; background-color: rgb(255, 255, 255); float: none; display: inline !important;'>E-cam neden 900 °C'de işe yaramıyor? <br style='box-sizing: border-box; margin: 0px; padding: 0px; color-scheme: light; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(0, 0, 0); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 14px; text-align: left; background-color: rgb(255, 255, 255);'><span style='box-sizing: border-box; margin: 0px; padding: 0px; color-scheme: light; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; color: rgb(0, 0, 0); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 14px; text-align: left; background-color: rgb(255, 255, 255); float: none; display: inline !important;'>Cam elyaflar sadece 550 °C'ye kadar uygun. Bu sıcaklığın üzerine çıktığında tek tek elyaflar birbirine eriyerek örgü tek parça cam haline geliyor. Camın içinde hâlâ görülebilen örgü yapısı oldukça hoş.