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قیمت گچ سمنان درب کارخانه - کارخانه تولید گچ ساختمانی - گچ بتا
گچ بتا
19 اسفند 90 ساعت 05:54 | نوشته ‌شده به دست گچ سمنان | ( نظرات )

گچ بتا

از آنجا كه در صنایع چینی بهداشتی ا یران، ریخته گری به روش دوغابی سنتی انجام می گیرد، لذا قالب های گچی نقش اساسی در كیفیت محصول نهایی دارند . بنابراین قالب های گچی در ا ین صنعت از نظر طول عمر، جذب آّب و سطح تمام شده دارای اهمیت ویژه ای می باشند كه بهینه سازی این پارامترها، به یك سری عوامل موثر ذاتی گچ همچون استحكام، دانه بندی، جذب آب، ضریب نفوذ پذیری، سیالیت و زمان گیرش گچ قالبسازی، و همچنین برخی شرایط ساخت قالب گچی مانند دور همزن، مدت زمان همزدن، دما ی آب، سختی آب و نحوه خشك كردن قالب بستگی دارد. در این تحقیق ، ابتدا به بررسی و یژگی های ذاتی گچ و اثر آن بر كیفیت قالب پرداخته شده است و پس از انتخاب گچ مناسب، اثر عوامل حین ساخت، مورد بررسی قرار گرفت و سپس با توجه به امكان تغییر این پارامترها، قالب گچی با و یژگی ها ی مناسب جهت تولید چینی بهداشتی ساخته شد.

گچ بتا به دلیل حلالیت بالا و زمان گیرش کوتاه به مصارف ساختمانی می رسد. قسمت اعظم گچ به عنوان پوشش داخلی ساختمانها مصرف می شود.
گچ بتا از پخته شدن در دمای پایین و از دست دادن قسمتی از آب تبلور به دست می آید.


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