با توجه به اینکه گچ سخت شده مانند سنگ گچ دارای دو مولکول آب تبلور می باشد، اگر لایه گچ در مقابل حرارت ناشی از آتش سوزی قرار بگیرد این آب تبلور در اثر حرارت دوباره از گچ جدا شده و به صورت یک لایه از آبدر مقابل آتش قرار گرفته و برای مدتی میتواند در مقابل سرایت آتش به فضاهای دیگری مقاومت نماید.

The performance of the separator is that due to its calibration, the gypsum grains can pass through the blades to a certain extent, and the other grains are returned to the asbestos for abrasion and re-crushing. Separator blades have a certain distance to the body, and the shorter the distance, the finer the output will be. Separators are made in two types of dynamic and static, each with its own function. Depending on the granulation required, micronized powders can be produced using a variety of separators, with a grain size of to . mm or a mesh of to .

شرکت گچ سیمین سمنان با شرکت در نمایشگاه های مهم داخلی و خارجی در حوزه ساختمان، ضمن معرفی و ارائه محصولات متنوع خود به مشتریان جدید، در تعامل با کاربران قدیمی از نظرات آنها بهره‌مند گشته و همچنین با فناوری جدید دنیا آشنا می گردند.

Razi Semnan Gypsum Company, having one of the largest gypsum mines in Iran and using experienced and specialized personnel, as well as establishing sales agencies throughout the country, in addition to meeting domestic needs, has been able to supply various types of construction and industrial gypsum. Export to China, Iraq, Afghanistan, India, Azerbaijan and Qatar. This group intends to produce new products in line with market demand and customer needs and to occupy a large volume of the gypsum industry.

The International Group of Export Ambassadors is an Iranian company that introduces Iran&#;s export companies and products to the world using the irexworld website. Our most important goal is that international companies and businessmen can access and communicate with Iran&#;s export companies and products quickly, easily and without cost. We hope to be able to provide the best services in order to introduce Iranian products and also communicate with Iranian companies.