Roller Shutter Door Forming Machine is the
equipment for making shutter door panel in various types like Australian
type, European type and others. For those shutter door could be used in garage
door, factory door and others. For some special functional type, they could
anti-wind, anti-fire, anti-smoke and others.
Roller Shutter Door Forming Machine Roller Shutter Door Forming Machine, Shutter Door Roll Forming Machine, Shutter Slat Roll Forming Machine Zhongtuo Roll Forming Machinery Co., ltd , https://www.frameforming.nl
There are many kinds of artificial stone and need to be carefully selected. Here's how to tell some people about artificial stone countertops.
1, from the surface point of view, high-quality products polished polished surface bright, pure color, hand touch with a natural stone texture, no hair pores; poor quality product surface dark, poor finish, color impure, visually dazzling and Feeling uncomfortable, the hand feels astringent, with pores (squints at 45 degrees to the light, like a pinhole).
2, high quality products have strong hardness and mechanical strength, with the most rigid hard plastic scratches its surface will not leave scratches, poor product texture soft, easy to scratch, and easy to deform.
3, high-quality products are easy to sand, when processing and cutting, poor quality products have a pungent smell.
There are many brands of artificial stone on the market and they are very complicated. How can we identify the quality of the stone?
First, fall. Take a piece of material, there are 20 * 20 size on it, and hard to fall on the cement floor, the quality of artificial stone will fall into a lot of smashing small pieces, the best quality broken into two or three pieces, and if the force is not enough, Can also bounce from the ground.
Second, burn. Take a slender strip of artificial stone and put it on fire. The artificial stone is easy to burn, and it is very flaming. The artificial stone of good quality cannot be burned unless it is supplemented with combustion-supporting material. Will be extinguished automatically, the reasons are as follows: good quality artificial stone powder part of the aluminum hydroxide with three water molecules, so it has good flame retardant properties, poor quality of artificial stone powder part of calcium hydroxide (lime powder), can not Flame retardant.
With regard to the selection of cabinets, many people choose quartz stone countertops. In simple terms, quartz stone countertops are made of broken glass and quartz sand. Do you think that there is a problem with the detection of your quartz stone countertops? Take a look at the detection of quartz stone countertops. Super accurate!