![](/images/spring/48.jpg)
![](/images/spring/306.jpg)
![](/images/spring/48.jpg)
![](/images/spring/263.jpg)
![](/images/spring/62.jpg)
![](/images/spring/282.jpg)
![](/images/spring/166.jpg)
![](/images/spring/234.jpg)
![](/images/spring/104.jpg)
![](/images/spring/202.jpg)
![](/images/spring/114.jpg)
![](/images/spring/264.jpg)
![](/images/spring/16.jpg)
![](/images/spring/276.jpg)
![](/images/spring/38.jpg)
![](/images/spring/349.jpg)
![](/images/spring/76.jpg)
![](/images/spring/282.jpg)
![](/images/spring/174.jpg)
![](/images/spring/220.jpg)
![](/images/spring/127.jpg)
![](/images/spring/258.jpg)
![](/images/spring/143.jpg)
![](/images/spring/222.jpg)
![](/images/spring/97.jpg)
![](/images/spring/329.jpg)
![](/images/spring/8.jpg)
![](/images/spring/262.jpg)
![](/images/spring/2.jpg)
![](/images/spring/183.jpg)
![](/images/spring/89.jpg)
![](/images/spring/335.jpg)
![](/images/spring/121.jpg)
![](/images/spring/297.jpg)
![](/images/spring/97.jpg)
![](/images/spring/347.jpg)
![](/images/spring/121.jpg)
![](/images/spring/184.jpg)
![](/images/spring/6.jpg)
![](/images/spring/292.jpg)
![](/images/spring/106.jpg)
![](/images/spring/319.jpg)
ماسه سیلیس که به طور طبیعی یافت میشود و بسیار فراوان است، عمدتا برای قالب ریخته گری فلزات مورد استفاده قرار میگیرد. استفاده از این گرانول باعث افزایش استحکام قالبها میشود. از طرف دیگر چون نقطه جوش سیلیس بالاست و انبساط آن پایین است، در دماهای بالای دو هزار درجه سانتیگراد هستهای پایدار خواهد داشت.از جمله کاربردهای ماسه سیلیس در صنایع زیر است: See more
![whatsapp](/images/whatsapp.png)
![](/images/spring/49.jpg)
![](/images/spring/255.jpg)
![](/images/spring/91.jpg)
![](/images/spring/216.jpg)
![](/images/spring/25.jpg)
![](/images/spring/227.jpg)
![](/images/spring/7.jpg)
![](/images/spring/350.jpg)
![](/images/spring/169.jpg)
![](/images/spring/292.jpg)
![](/images/spring/44.jpg)
![](/images/spring/236.jpg)
![](/images/spring/103.jpg)
![](/images/spring/270.jpg)
![](/images/spring/131.jpg)
![](/images/spring/348.jpg)
![](/images/spring/63.jpg)
![](/images/spring/241.jpg)
یک پیام ارسال کرد