Explosion-Proof Borosilicate Glass Lens for Mining Lamp and Hazardous Area Lighting - optical-glasslenses

Explosion-Proof Borosilicate Glass Lens for Mining Lamp and Hazardous Area Lighting

Brand Name:LONGWAY
Certification:ISO9001
Model Number:OG0014123
Minimum Order Quantity:800 pieces
Payment Terms:T/T,Western Union
Place of Origin:Shanghai, China
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Location: Shanghai Shanghai China
Address: Rm. 2111, Bldg. A, Tomson Center, No. 188, Zhangyang Rd., Shanghai, China
Supplier`s last login times: within 1 hours
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Explosion-Proof Borosilicate Glass Lens for Mining Lamp and Hazardous Area Lighting


1. Material Composition:

  • Reinforced Borosilicate Glass: High-purity material (Schott B270 or equivalent) with tempered strengthening for impact resistance.

  • Explosion-Proof Encapsulation: Stainless steel or brass housing with flame-arresting grooves and tempered sealing gaskets.


2. Key Properties:

  • Explosion Resistance: Certified for ATEX/IECEx Zone 1 & 2 (gas) and Zone 21 & 22 (dust) hazardous environments.

  • Thermal Shock Tolerance: Withstands ΔT > 150°C (e.g., rapid cooling from 300°C to room temperature).

  • Mechanical Strength: IK10 impact rating and 6.5 Mohs hardness to resist abrasion and flying debris.

  • Chemical Inertness: Resists corrosion from acids, alkalis, and solvents (excluding HF).


3. Core Functions:

  • Flame Containment: Prevents internal sparks or explosions from igniting external flammable atmospheres.

  • Optical Clarity: >92% light transmission with minimal distortion for uniform illumination in low-visibility environments.

  • Environmental Sealing: IP67-rated protection against dust, moisture, and corrosive gases.


4. Applications:

  • Mining Lamps: Cap lamps, tunnel lighting, and explosion-proof handheld lamps for underground coal mines.

  • Oil & Gas Facilities: Hazardous area lighting for refineries, drilling platforms, and petrochemical plants.

  • Chemical Processing: Lighting for explosive atmosphere workshops, storage areas, and reaction chambers.

  • Grain & Powder Industries: Dust-proof lighting for silos, mills, and pharmaceutical production zones.


ItemGlassLED lens
MaterialBorosilicate glass
Diameter Tolerance+0/-0.5 mm
Thickness Tolerance+/-0.2 mm
ProcessedBy Molding and Polishing
Working temperatureResisting high temperature shock
Surface QualityClear and smooth
TransmissionAround 90% for visible light
TemperingAvailable
UsageLighting system and Optics etc.






China Explosion-Proof Borosilicate Glass Lens for Mining Lamp and Hazardous Area Lighting supplier

Explosion-Proof Borosilicate Glass Lens for Mining Lamp and Hazardous Area Lighting

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