FIELD: building materials production. SUBSTANCE: gypsum stone is heated to 140-150 C with the help of high frequency current having frequency 915 MHz. The process is followed by heat treatment within 1-1.5 h. Compressive strength thus prepared binder is 113,2-128,3 kg/cm2.. EFFECT: improves efficiency of the method.
| Title | Year | Author | Number |
|---|---|---|---|
| PROCESS FOR MANUFACTURE OF GYPSUM BINDER | 1990 |
|
RU2023699C1 |
| METHOD OF PREPARATION OF GYPSUM MOULDING SAND | 0 |
|
SU1503170A1 |
| PROCESS FOR PRODUCING GYPSUM BINDER | 0 |
|
SU1011580A1 |
| METHOD OF PRODUCTION OF THE GYPSUM BINDING AGENT | 2005 |
|
RU2302394C2 |
| METHOD OF GYPSUM ARTICLE MAKING | 1997 |
|
RU2132310C1 |
| METHOD OF PRODUCING GYPSUM BINDER | 0 |
|
SU903334A1 |
| POLYPHASE GYPSUM BINDING AGENT AND METHOD OF MAKING IT | 2007 |
|
RU2356863C1 |
| METHOD FOR PREPARATION OF ANHYDRITE BINDER | 2007 |
|
RU2362748C1 |
| METHOD OF PREPARING HIGH-STRENGTH GYPSUM FOR DENTISTRY | 2008 |
|
RU2382003C2 |
| METHOD OF PREPARING HIGH-STRENGTH GYPSUM BINDER | 2002 |
|
RU2212384C1 |
