Bamboo has been an essential material in various aspects of life since ancient times. Compared to wood, bamboo-based panels offer superior physical and mechanical properties, such as high strength, good elasticity, and excellent impact resistance, making them a promising alternative to traditional wood-based panels.
The production of bamboo mat plywood involves several unique steps that differ from conventional wood panel manufacturing. Here’s an overview of the process:
1. **Bamboo Mat Preparation** – Unlike wood panels, bamboo mats are woven using either longitudinal and transverse layers or curtain-like structures made from bamboo strips. These mats are then ready for further processing.
2. **Drying** – The mats are dried naturally or in a mesh belt dryer. The ideal moisture content is between 8% and 20%. If too low, the panels become brittle; if too high, the resin may not bond properly, affecting the final quality.
3. **Gluing** – Two methods are commonly used: manual gluing and machine gluing. Phenolic resin is often preferred over urea-formaldehyde due to better bonding, though it is more expensive.
4. **Aging** – After gluing, the mats are left to age, allowing the adhesive to fully penetrate the bamboo fibers before hot pressing.
5. **Blanking** – Bamboo plywood can be produced with odd or even layer structures, and the weave direction should be staggered to ensure stability and strength.
6. **Hot Pressing** – The temperature and pressure depend on the type of adhesive and the number of layers. For urea-formaldehyde glue, the temperature ranges from 120°C to 125°C, while phenolic glue requires 130°C to 140°C. Pressure is typically between 2.5 MPa and 4 MPa, with longer pressing times for thicker panels.
Today, bamboo mat plywood is one of the fastest-growing types of bamboo-based panels in China. It is widely used as a building formwork, replacing traditional wood and steel molds. Its advantages include high strength, smooth surface, easy demolding, water and heat resistance, and long service life. This makes it ideal for large-scale construction projects like high-rise buildings, bridges, dams, and tunnels.
Despite its potential, the industry is still in its early stages. There are challenges such as inconsistent quality and limited performance. To grow, the sector needs advanced bamboo processing technologies, high-precision machinery, and improved manufacturing techniques to expand its market and ensure sustainable development.
Aluminum Oxide Grinding Wheels
White alumina grinding wheel is made by
sintering first-grade sand, high-quality alumina and binder at high
temperature, also known as ceramic grinding wheel. Wear-resistant and durable.
It has high hardness, brittle abrasive grains, sharp edges and corners, strong
grinding ability, low calorific value, high temperature resistance, acid and
alkali corrosion resistance, high efficiency and good self-sharpening. The
grinding products are smooth and delicate
White alumina Bench Grinding Wheel,
suitable for grinding steel with hard material and strong heat sensitivity.
Such as grinding of hardened steel, high carbon steel, general high speed
steel, alloy steel, stainless steel, etc. Mainly used for grinding and forming
grinding of tools, cutting tools, molds, gears, threads, thin-walled parts, etc
Each of our products is inspected and
carefully packaged before being sold to customers, but we do not rule out that
there will be accidents. If you accidentally received an unsatisfactory
product, please feel free to contact us and we will replace it for you or you
can choose to return it. You can also contact us with product questions, we
will do any answer for you and will try our best to solve the problem until you
are satisfied.
Kemei produce and aim on the following
types grinding tools, such as aluminum oxide grinding wheel, silicon carbide
Grinding Wheels , mounted points, Diamond Grinding Wheels, CBN Grinding Wheels
and all types of saw blades and cut off wheels.
If you need any type of grinding tool or
professional advice about grinding on your workpieces. Don`t hesitate to
contact us!
Aluminum Oxide Grinding Wheels,Red Corundum Wheel,High Speed Grinding Wheel,Brown Corundum Wheel
Henan Jinlun Superhard Material Co., Ltd , https://www.jinlunsuperhard.com