Description

Glass Wool is a high-performance, inorganic fibrous insulation material manufactured from molten glass. Its primary value lies in its exceptional thermal and acoustic insulation properties, coupled with excellent fire resistance and chemical stability. This material is essential for industries requiring energy efficiency, noise control, and passive fire protection in demanding environments. Key sectors include construction, industrial plant engineering, HVAC systems, and automotive manufacturing for heat shielding and sound dampening applications.

Application

• Building & Construction Insulation: Thermal and acoustic insulation for walls, roofs, ceilings, and cavity walls in residential, commercial, and industrial buildings.
• Industrial Process & Equipment Insulation: Insulation for pipes, boilers, furnaces, ducts, and storage tanks to conserve energy and maintain process temperatures.
• HVAC System Insulation: Lining for air handling units, ductwork, and ventilation systems to prevent heat loss/gain and reduce noise transmission.
• Automotive & Transportation: Heat shielding for engine compartments, exhaust systems, and acoustic insulation within vehicle cabins and body panels.
• Appliance Manufacturing: Thermal insulation in ovens, water heaters, and other domestic and industrial appliances.
• Fire Protection Systems: Used in firestop pillows, wraps, and barriers to compartmentalize fires and protect structural elements.
• Acoustic Panels & Baffles: Core material for sound-absorbing panels used in studios, theaters, offices, and industrial facilities.

Basic Information

Product Name	Glass Wool
CAS No.	308066-92-4
Molecular Formula	N/A (Inorganic polymer)
Molecular Weight	N/A
Synonyms	Fiberglass insulation; Glass fiber wool; Mineral wool (glass type); Vitreous fiber; Glass filament; Man-made vitreous fiber (MMVF); Insulation wool; Thermal insulation fiber; Glass microfiber; Glass staple fiber
EINECS	Contact for details

Quality Control

Our Glass Wool is manufactured under strict quality management systems to ensure consistent performance and safety. Production is controlled against key parameters including fiber diameter, density, thermal conductivity, and fire resistance. We provide comprehensive technical data sheets and can supply products meeting various international standards such as ASTM, ISO, and EN. Certificates of Analysis (COA) and compliance documentation (e.g., REACH, RoHS) are available upon request.

Storage

Preserve in original, undamaged packaging in a dry, well-ventilated warehouse. Protect from moisture, physical compression, and exposure to water or excessive humidity to maintain loft and performance. Store away from incompatible materials. Standard ambient temperature (15-25°C) conditions are suitable.

Specification

Item	Specification
Appearance	Yellowish-white or white fibrous mass
Fiber Diameter	3.0 - 6.0 µm (Typical)
Bulk Density	10 - 120 kg/m³ (Grade dependent)
Thermal Conductivity (λ)	0.030 - 0.040 W/(m·K) @ 10°C
Operating Temperature (Max)	Up to 450°C
Fire Classification	Euroclass A1 / ASTM E84 Class A
Moisture Content	< 1.0 %
Shot Content (Non-fibrous)	< 10 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.