Windora Materials LLC
Your Reliable Northern Industrial Partner
Description
◆ Wollastonite, a unique natural mineral reinforcement material, with fiber toughening as its core, provides a cost-effective integrated solution for reinforcement and modification of composite materials, thanks to its multifunctional composite advantages and excellent stability. It is an ideal choice for achieving lightweight and high-performance materials.
1. Fiber reinforcement · Greater toughness
The unique needle-like structure forms a mesh-like skeleton in plastics and rubbers, significantly enhancing the material's rigidity, dimensional stability, and impact resistance.
2. Functional integration · Higher efficiency
It is not only a filler, but it also serves as a partial replacement for glass fiber, enhancing reinforcement effects, improving surface glossiness, reducing shrinkage rate, and achieving cost-effective modification.
3. Inert stability · More reliable
It has stable chemical properties, good acid and alkali resistance, and good weather resistance, without affecting the acidity or alkalinity of the system, providing long-term reliable performance guarantee for the material.
4. White low-carbon · More value-added
High whiteness and low oil absorption value facilitate color matching and reduce resin usage; natural minerals, easily accessible raw materials, and low process energy consumption align with the concept of sustainable development.
WOL
Wollastonite Powder
Core features: High aspect ratio acicular structure, ultrafine and uniform particle size, high whiteness.
Application area: Polymer composite materials, coatings and paints, ceramics and refractory materials, paper industry, etc.
Specifications
| Project | Unit | Spec | Test method |
| SiO₂ | ％ | 40-53 | JC/T 535-2007 |
| CaO | ％ | 40-47 | |
| Fe₂O₃ | ％ | 0.2-0.3 | |
| Al₂O₃ | ％ | 0.2-0.5 | |
| TiO₂ | ％ | ≤0.02 | |
| MgO | ％ | 0.5-1.5 | |
| S | ％ | ≤0.02 | |
| P | ％ | ≤0.007 | |
| 1050℃/(LOI) | ％ | ＜2 | * WM/WOL-2026.01 |
| D50 | μm | 4-44 | |
| L：D | / | 3:1-18:1 | |
| Whiteness | / | 90-92 | |
| Oil absorption value | g/100g | 20-28 | |
| pH | / | 9.9 |
Notes: * WM/WOL-2026.01 is Windora Materials LLC. Enterprise Standard.
Storage & Handling
Storage: Store under dry conditions and reseal immediately after opening the bag.
Shelf life: From the date of shipment, keep the packaging intact and the shelf life is 6 months.
Packaging: Standard 25kg packaging, or customized according to customer requirements.
Safety: Low hazard, fire and explosion proof, non-toxic.
Transportation: Multiple compliant transportation options available.
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WOL
A unique natural mineral reinforcement material, with fiber toughening as its core, provides a cost-effective integrated solution for reinforcement and modification of composite materials, thanks to its multifunctional composite advantages and excellent stability. It is an ideal choice for achieving lightweight and high-performance materials.
Keywords:WOL
Category:
Company Profile
Windora Materials LLC is a modern mining enterprise located in Kuandian, Liaoning, China, specializing in the mining, advanced processing, and sales of non‑metallic minerals such as brucite and wollastonite. The company’s main products include magnesium hydroxide flame retardant (MDH), wollastonite (WOL), talc (TAL), and aluminum hydroxide (ATH) series, which are widely used in PE/PP/PVC, cable compounds, building plastics, new‑energy cables (photovoltaic/wind power/energy storage), and environmental protection applications.
FAQs
What kind of company is your company?
Windora Materials LLC is a modern mining enterprise located in Kuandian, Liaoning, China, specializing in the mining, advanced processing, and sales of non‑metallic minerals such as brucite and wollastonite. The company’s main products include magnesium hydroxide flame retardant (MDH), wollastonite (WOL), talc (TAL), and aluminum hydroxide (ATH) series, which are widely used in PE/PP/PVC, cable compounds, architectural plastics, new‑energy cables (photovoltaic/wind power/energy storage), and environmental protection applications.
What is your company’s production capacity and quality system like?
The company has established a specialized brucite and wollastonite powder processing facility that went into operation in 2012, with an annual processing capacity of 120,000 tons. The powder processing employs a dual-system configuration featuring both air jet mills and ring roller mills. These two systems can operate independently to meet diverse order requirements, or they can work in coordination to create a complete processing flow—from coarse crushing to ultrafine grinding—jointly ensuring stable production capacity and controllable product quality.
Can I visit your factory?
We warmly welcome prospective clients and partners to visit and conduct site inspections. Please make a reservation in advance via the “Contact Us” form on our website, and we will arrange professional reception services for you.
What is the minimum order quantity (MOQ)?
We offer flexible collaboration models for clients of all sizes. For standard products, we have reasonable MOQs. For new customers or sample orders, we also provide competitive MOQ policies. Please consult our sales representatives for details.
What are the payment methods and delivery times?
We accept multiple payment methods, including T/T (telegraphic transfer), Alipay, and WeChat Pay. The delivery time depends on the order quantity and product type; typically, production is completed and shipment arranged within 30 days after receipt of the deposit.
Do you provide samples? How are samples charged?
We encourage customers to test samples before placing bulk orders. Samples are subject to a fee, but if you place a bulk order afterward, the sample cost can be deducted from your invoice. Please contact us for specific sample information.
How are your goods transported?
We maintain long-term partnerships with several internationally renowned logistics companies for both ocean and air freight forwarding. We can provide the most cost‑effective and fastest shipping solutions based on your specific needs, and assist you in handling customs clearance documents.
What should you do if there are quality issues with a product?
We are fully confident in the quality of our products and offer comprehensive quality assurance. In the rare event that you suspect a quality issue with the product you received, please stop using it immediately and contact our customer service or sales representative as soon as possible. We will then provide an appropriate solution based on the specific circumstances.
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