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فوم بتن یا به انگلیسی Concrete، ملاتی متشکل از آب، سیمان و بتن کف زا (مادهای شیمیایی یا بر پایه پروتئین حیوانی از شاخ یا سم حیوانات) است. این بتنیک نوع بتن اسفنجی بوده و ماده کفزا یا فوم، حداقل 20 درصد حجمی آن را تشکیل میدهد. منظور از فوم مادهای است که از حبابهای هوا تشکیل شده است. عملکرد ماده کفزا در بتن به این ترتیب است که با محبوس شدن... See more
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