The dowel is used for heat preservation system between the layer of the wall with good resistant pressure. It can prevent the impacting destroy with low transmit hot rate, reduce the thickness of the wall with good stabiliy of the all size and it won't distort when the temperature changes, prevent the surface of wall from chap, at the same time it can provide the smooth surface for the wall and for the cement. The dowel can be used for benzene board, rock cotton board, heat preservation material and so on. It is based on concrete and solid brick.
The characters of this product are resistant-aging and bearing the high weight.

Normal spec:
1. Spec: 8x60, 8x80, 8x100, 8x120, 8x130, 10x80, 10x70, 10x90, 10x100, 10x130, 10x180, and so on.
2. Clip nail: Metal or nylon
3. Packing: Carton