The color of aquamarine is sky blue to sea blue or greenish blue beryl. Its color is mainly due to the trace amount of divalent iron ions (Fe2+), which is best for bright and clean, bright blue to light blue. It belongs to the hexagonal system. The common crystal form is a hexagonal column, followed by a hexagonal double cone, and the aggregates are mostly columnar. Glass luster, transparent to translucent. The refractive index is 1.567-1.590, and the birefringence is 0.005-0.007. The pleochroism is obvious, from blue to blue-green. Hardness 7.5, density 2.68-2.80 g / cm3. Shell-shaped fracture. Does not emit light under X-ray irradiation. Good toughness. The gemstones in China are called “blue crystalâ€. Hardness 8 degrees. Sapphire is a generic name for corundum gemstones in addition to red rubies in corundum gemstones. The main component is alumina (Al2O3). Blue sapphire is caused by a small amount of titanium (Ti) and iron (Fe) impurities; the color of sapphire can be pink, yellow, green, white, or even in the same stone. Sapphire is produced in Thailand, Sri Lanka, Madagascar, Laos, and Cambodia. The rarest of these is the sapphire in Kashmir, and Myanmar is the place where the finest sapphire is produced today. The sea sapphire is the birthstone of March, which corresponds to the throat wheel; the sapphire is the birthstone of September. At the same time, the sea sapphire is crystal, while sapphire and ruby, emerald and so on belong to the gem.
Outdoor Banner, can be used for outdoor architectural advertising. Generally, the size is relatively large, and the material can be Mesh Banner, Pvc Banner, Fabric Banner.
Outdoor advertising banner for display are a long term product, strong and sturdy, hemmed and eyelets
with full digital print included in the price. hanging banner and advertising banner can be used on fences, walls, sides of
industrial units, offices, shows & race courses.
Waterproof, sunscreen, outdoor use time 2-5 years.
advertising banner and hanging banner Materials for different applications are available.
Ask us for any advice you need, for example:
double sided printable vinyl banner : Water-proof and scratch-proof, with UV enhanced fade-resistant inks.
All standard works include double stitched hemmed on all for sides. Grommets (optional) come
standard every 0.5 metres.
Outdoor banner Outdoor Banner,Outdoor Banner Frame,Outdoor Banner Material,Outdoor Banner Sizes Anhui LiSheng prinbanner co.,Ltd , https://www.anhuiprintbanner.com
The print is digital print, inkjet print and UV print.
Material
best quality vinyl bannr, hanging Outdoor banner for advertising, vinyl flex banner for outdoor pringting
Printing
Eco-solvent print,Inkjet Print,UV print
Weight
320-610gsm
Specification
Max: 3.2m
Sample time
3~5days
Quality of banner
Durable mateiral , weather resistant and color fastness
Shipment
By ocean/air/express
