EN
The quality of the mechanical strength in the sphere of industrial materials science is usually defined with references to the selection of the suitable functional additives. Wollastonite powder has emerged one of the high-performance mineral fillers that significantly enhance the mechanical properties of a wide variety of products and materials such as plastics and composite, coating and construction materials. As a serious manufacturer of non-metallic mineral products, Hebei Hezhen Industrial Co., Ltd. provides wollastonite in huge quantities and high purity that help its customers in achieving high performance in terms of strength.
Unique Acicular Morphology
The natural crystal structure of wollastonite is the key that makes this substance achieve the amazing reinforcing properties. The wollastonite is a crystal, which possesses acicular crystals of high aspect ratio compared to the conventional types of mineral fillers, which are normally blocky or spherical in shape. When incorporated into polymer matrix or cementitious systems, these microscopic needle like particles interlock to create a three dimensional reinforcement network. This exotic structure makes wollastonite act as short-fiber reinforcements to provide structural integrity, which cannot be provided by isotropic fillers.
Enhanced Tensile and Flexural Strength
In the plastic and composite applications, the tensile strength and flexural modulus are increased significantly by the presence of wollastonite powder in the composite. Such an orientation of the acicular particles in processing will carry a perturbation of the stress that is occurring through the polymer matrix which inhibits the crack propagation and improves the total load-bearing capacity. More rigid and dimensionally stable grades of Polypropylene, nylon, and other engineering thermoplastics have been manufactured using wollastonite that do not face the processing challenges that conventional fiber reinforcement presents. This makes wollastonite the ideal compound to be incorporated to the automotive body, industrial parts and consumer products that require long performance.
Superior Impact Resistance
Besides the properties of the wollastonite with regard to its effect on the solid strength, there is a large contribution of wollastonite to the impact resistance. The like crystals act as needles that help in diffusing the impact energy across the material and thus it does not tend to be concentrated at one point of failure. This is a process that causes energy dispersion which results in composites that can absorb instant shocks and mechanical repeated stress without fracture. Where toughness is needed as in bumper systems, protective housings and other applications where toughness is needed, wollastonite-reinforced materials are a reliable toughness.
Reinforcement in Cementitious Systems
The wollastonite powder is additive of cement based products of high performance used in construction industry. The acicular particles fill up the micro-cracks in concrete and mortars and fiber cement boards when the acicular particles are introduced and the micro-cracks of concrete and mortars are prevented to develop so as to enhance the flexural strength and reduce the cracking of shrinkage of the material, significantly. This is particularly helpful in reinforcement in thin section products such as roofing tiles, facade panels and architectural ornamental items. Besides, the wollastonites is naturally chemically compatible with the cement matrices and as such, its performance can be long term and stable without any unwanted side reactions.
Thermal Stability and Dimensional Control
Wollastonite also has the thermal stability property that contributes to the introduction of mechanical strength in high temperature use. Wollastonite melting point is more than 1,500degC and hence the material does not lose reinforcing ability in the course of high processing or in service temperature. Besides, its small thermal expansion rate comes in handy in reducing shrinkage and lateral expansion of molded components in such a way that the final product is able to maintain the precise dimension during its service application.
Consistent Quality Through Advanced Processing
Aspect ratio and stable particle size distribution are essential to the benefits of mechanical performance of wollastonite powder. We are the best Hebei Hezhen Industrial Co., Ltd. with the best crushing and processing technology, which guarantees that wollastonite powder is in the required specifications per batch. We also employ over 60 employees and college degree engineers and that is one of the reasons why we enforce strictness in quality control when producing them. Our management system is accredited to ISO 9001 which makes the reinforcing performance that our clients need with each shipment to be presented.
Hebei Hezhen is an organization that has gained credibility as a source of non-metallic mineral product in the various industries since its inception in 2003. We possess wollastonite powder series manufactured with much care to crystal morphology, purity and uniformity which is giving it the highest reinforcement in the specifications of the very demanding mechanical usage.
