Sound Absorbing Eco Friendly Building Material Mineral Wool Rock Wool

Product Description

Product Description

Rock wool

Rock wool is mainly made from natural ores such as basalt and dolomite as the core raw materials, together with appropriate amounts of coke, limestone and other auxiliary materials. Under the extreme high temperature of 1450℃ or even higher, these raw materials are completely melted, and then with the help of international advanced four-axis centrifuges, they are stretched into fine fibers under the action of high-speed centrifugal force. At the same time, a specific amount of binder, dust oil, water-repellent agent is sprayed into the fibers, which are collected by the cotton collector, and then combined with the three-dimensional method of laying the cotton by the pendulum method, and finally cured and cut into various specifications and uses of rock wool products.

After-sales service	Free Technical Guidance, 12 Months
Characteristics	Durable,Easy to Install,Fierproof,Flame Retardant,Heat Insulation,Noise Reduction
Maximum working temperature	500°C
Material	Basalt
Transport packaging	Cartons/Bags/Pallets
Trademarks	zhenmei
Place of origin	China
Color	Yellow
Use	Wall
Material composition	basalt rock, slag, and binder
Thermal Conduct	~0.035-0.042 W/m·K
Fire Resistance	>1000°C
Sound Absorption	NRC 0.75-0.95
Water Repellency	Hydrophobic
Density	40-200 kg/m
Applications	Building insulation (walls, roofs),

Main Product

Company Profile

Zhejiang Huahang Thermal Insulation Products Co., Ltd. is a subsidiary under the group, located in Hangzhou, Zhejiang. The company relies on a comprehensive online sales platform and a young, dynamic, trustworthy, and pragmatic sales team, earning the trust and support of customers both domestically and internationally. Our company's main products include: rock wool products, extruded products, fiberglass wool products, rubber & plastic foam products, aluminum silicate products, and more. These products are primarily used in steel structures, wall insulation, pipelines, power plants, and other fields. Our company is a law-abiding and trustworthy township enterprise, a recommended building materials enterprise, and a contract-honoring supplier of insulation materials for China's power industry. We are also recognized as a Hebei Province Technology-Based Enterprise. In 1999, we successfully obtained ISO 9002 Quality System Certification and later achieved ISO 10012 Quality System Certification in the same year. Our company boasts strong technical expertise and is equipped with modern production facilities. We implement scientific management and strictly adhere to technical standards in production. With a commitment to excellent service, we provide a wide range of thermal insulation products to our customers. We offer high-quality products at competitive prices along with reliable service. Your inquiries and purchases are warmly welcomed!

Advantage

Certifications

After Sales Service

Packaging & Shipping

FAQ

1. Which insulation material is best for my home (exterior walls/roof/interior walls)?

Exterior walls: Fireproof Class A rock wool boards or foam cement boards (durable). Roof: XPS extruded boards (waterproof and pressure-resistant) or polyurethane spray (seamless insulation). Interior walls: Lightweight EPS boards or fiberglass wool (space-saving).

2.How are fire resistance ratings classified?

Class A: Non-combustible (e.g., rock wool, foam cement).

Class B1: Flame-retardant (e.g., fire-resistant EPS/PU).

For homes, at least Class B1 is recommended; public buildings require Class A.

3. Are your products eco-friendly?

Do you have test reports? Available certifications: Fire resistance test reports (GB 8624). Eco-labels (e.g., green building materials, formaldehyde emission tests).

4. What is the price per square meter?

Example price ranges: EPS boards: ¥20–40/m XPS boards: ¥40–80/m Rock wool boards: ¥60–120/m (Varies by thickness, density, and brand.)

5. How do I calculate how much material I need?

Formula: Area (m²) × Thickness (cm) ÷ Package volume. Example: For 100m² walls with 5cm EPS boards: 100 × 0.05 = 5m² (confirm package specs).

6. What should I know for DIY installation?

Key steps: Clean the base surface (no dust or grease). Ensure tight seams between boards. Use specialized adhesives and anchors. 

7. How long does the insulation last?

Typically 20–30 years, but note: Organic materials (e.g., EPS) degrade under UV exposure. Inorganic materials (e.g., rock wool) must stay dry. 

8. What if the material gets damaged or detaches?

Warranty coverage (usually 1–5 years) for repairs. Small repairs can use structural adhesive. 

9. Does winter installation affect performance?

In low temperatures (<5°C): Use winter-grade adhesives. Avoid rain/snow during installation.