☆ Zhengzhou Zhonggu flat grain blocking board related knowledge:
Flat grain blocking boardProduct Introduction:

The flat grain blocking door is made of special welded steel, and the door frame and frame are welded with cold-formed hollow square steel. The door thickness is 6cm, the panel is made of 0.5mm color plate, and the bone plate is made of anisotropic hollow steel. It is filled with insulation board (polyvinyl chloride) inside and riveted with zinc skin outside, which has the function of being sturdy, durable, and not deformed under pressure.

Flat grain blocking boardProduct features:

There are three types of grain blocking plates: flat grain blocking plates, triangular grain blocking plates, and arc-shaped grain blocking plates. The skeleton is made of special-shaped hollow steel, and the material meets the GB6728-86 standard. The frame is filled with polystyrene self extinguishing foam board, and the double-sided panel is made of 0.5mm galvanized plate or color plate, which is formed by indentation. The frame, filling material, and panel are formed by composite, compression, and riveting.