Analysis and comparison of marble and granite
Marble is mainly composed of calcite, dolomite, magnesite and serpentine minerals. Its chemical stability is poor and it is not resistant to acid. The acidic substances and salts contained in the air corrode the marble, causing the surface to lose its luster. It has high pressure resistance, low water absorption, easy cleaning and fine texture. It is a high-grade indoor floor decoration material. . Pure marble is often snow white. When it contains impurities, it has black, red, yellow, green and other colors, and forms various patterns and spots. It is like a landscape, like a flower like jade, the pattern is very beautiful, used for indoor walls, The pillars, doors and windows, etc. are elegant and luxurious, and are a high-grade decorative stone. Marble is mainly used for processing various shapes, plates, walls, floors, platforms and columns of buildings, and is also often used for monumental buildings such as monuments, towers, statues, etc. The marble floor has a texture and a good finish, which can give people a sense of grandeur, but the marble does not absorb sound, does not slip, is not suitable for use in bathrooms and kitchens, and is more expensive. Granite is the oldest, most versatile, and most used rock. The color of granite is generally light, gray, gray, light gray, red, flesh red, etc. are more common. Granite is mainly composed of quartz, feldspar, pyroxene, hornblende and other minerals. It has strong corrosion resistance, high compressive strength, high hardness, good wear resistance, weather resistance, strong chemical stability and color. It has the advantages of beauty and the like, and is suitable for occasions that are subjected to wind, rain, abrasion, wear and mechanical properties, such as walls of buildings, halls with large passenger flow, stair steps, steps, etc.
Grow light cob include 50w-1000w real power cob grow light, use Epistar high power chip, have pink lighting and 3500k white lighting to choose.
Grow Light Bulbs,Grow Light Stand,Cob Grow Lights,Cob Grow Light Shenzhen Wenyi Lighting Technology Co., Ltd , https://www.wygrows.com
COB LED Grow Light Benefits:
More efficient: 100% of the power input for our LED grow lights is used for your plant chlorophyll production.
Better for environment: It saves 50% to 90% in energy consumption compared to incandescent bulbs or fluorescent tubes.
Less Heat: Low heated LED bulbs will protect your plants well.
Less trouble: No ballast to burn out likes other plant lights
