The Magical "Stone Cloth": Withstands 1000°C Open Flames and Resists Acid-Alkali Corrosion! Widely Used in Industrial Fields
In our daily lives, refractory materials might seem distant, but in reality, they silently safeguard many industrial scenarios. Today, let's get to know a material that sounds unfamiliar yet is indispensable in industrial fields – Vermiculite Coated Fiberglass Fabric, affectionately called "Vermiculite Cloth".
What is Vermiculite Cloth?
Simply put, Vermiculite Cloth is a composite material made by uniformly coating a non-alkali fiberglass cloth with a natural mineral – vermiculite. The fiberglass acts as the "skeleton," providing strength and flexibility, while the vermiculite serves as the "outer layer," forming a heat-protective coating.
The production process is also straightforward: first, vermiculite is made into a suspension, which is then applied to the fiberglass cloth much like "painting." After subsequent processes like drying, the vermiculite firmly adheres to the surface, ultimately forming products of different thicknesses and specifications.
Just How "Powerful" Is It?
Outstanding High-Temperature Resistance
Vermiculite cloth can work continuously in environments up to 800°C, and even withstand short-term thermal shock up to 1000°C! This makes it highly effective in high-temperature scenarios like welding and furnaces.
More Durable Mechanical Properties
The coating not only enhances abrasion resistance but also makes the cloth easier to cut and sew, facilitating mechanical processing.
Resistance to Chemical Corrosion
It demonstrates good resistance to acids, alkalis, and even corrosive melts like aluminum and zinc.
Excellent Insulation and Thermal Retention
It possesses good electrical insulation properties and low thermal conductivity, making it an excellent thermal insulation material.
Where is Vermiculite Cloth Used?
Despite its unfamiliar name, its application range is vast:
Welding & Fire Protection: Welding blankets, fire curtains, fire blankets, protecting personnel and equipment safety.
High-Temperature Sealing: Sealing for boiler access doors, oven doors, pipe wrapping, preventing heat leakage.
Industrial Protection: Heat shields, expansion joints, machine protection covers, widely used in aerospace, energy, metallurgy, and other fields.
Cable Protection: Providing a fire-resistant outer layer for cables, enhancing safety ratings.
Conclusion
From thousand-degree open flames to chemical corrosion, from aerospace technology to everyday welding, Vermiculite Coated Fiberglass Fabric, with its stable and powerful performance, silently guards industrial safety and efficiency. This innovative combination of "stone" and "cloth" is indeed both a practical and fascinating invention in materials science.