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Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp

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Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp

Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp
Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp

Large Image :  Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp

Product Details:
Place of Origin: Shanghai, China
Brand Name: LONGWAY
Certification: ISO9001
Model Number: OG0014351
Payment & Shipping Terms:
Minimum Order Quantity: 800 pieces
Price: NEGOTIATION
Packaging Details: electrolytic capacitor paper,foam,carton
Payment Terms: D/P,T/T,Western Union
Supply Ability: 20000 Pieces per Month

Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp

Description
Customized Support: OEM Structure: Convex Concave
Shape: Aspheric, Spherical Or Irregular Surface: Polished
Transmission: Over 92% Coating: Available
Processing: Molding And Grinding And Polishing Application: Optics And Lighting
Highlight:

Explosion-Proof Borosilicate Glass

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Glass LED Lenses for Mining Lamp

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Borosilicate Glass LED Lenses



Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp


1. Material:

  • Borosilicate Glass (e.g., Schott Borofloat®): Engineered for extreme environments with low thermal expansion (CTE: 3.3 × 10⁻⁶/K) and high chemical resistance.

  • Flame Path Design: Precision-machined edges/threads to contain explosions via controlled flame quenching.


2. Key Properties:

  • Explosion-Proof Certification: Complies with ATEX/IECEx Zone 1 and MSHA standards. Prevents ignition of methane/dust mixtures.

  • Impact Resistance: IK08+ rated to withstand 5J+ impacts from rocks, tools, or falls in mines.

  • Thermal Shock Resistance: Handles ΔT > 200°C without cracking (e.g., sudden water contact on hot lenses).

  • Chemical Durability: Resists corrosion from acidic/alkaline mine atmospheres, humidity, and cleaning solvents.

  • Optical Clarity: >92% light transmission with anti-glare treatment for clear visibility in low-light/dusty conditions.

  • Flame Retardancy: Non-combustible material (Class A1 fire rating).


3. Primary Functions:

  • Hazard Containment: Seals LED components, preventing sparks/heat from escaping to ignite flammable gases (e.g., methane).

  • Optimal Light Output: Maximizes LED efficiency with minimal lumen loss for extended battery life.

  • Environmental Protection: Blocks dust, water (IP68), and corrosive agents from damaging electronics.

  • Worker Safety: Eliminates lens shattering (tempered construction) and reduces glare-induced eye strain.


4. Applications:

  • Mining Cap Lamps: Primary lens for underground LED cap lamps (head-mounted).

  • Fixed Hazardous Lighting: Explosion-proof mine tunnel fixtures, refuge stations, and conveyor belt lighting.

  • Portable Inspection Lamps: Handheld mining lamps for maintenance/emergency use.

  • Coal/Iron Ore/Gold Mines: Certified for methane-rich (Group I) and dust-heavy (Group II/III) environments.

  • Tunneling & Drilling Rigs: Vibration-resistant lenses for heavy machinery lighting.

Material Pyrex, borosilicate glass 3.3
Diameter Tolerance +0/-0.2 mm
Thickness Tolerance +/-0.2 mm
Processed molding, grinding, polishing
Working temperature resisting high temperature shock
Material Quality no scratches and air bubble
Transmission above 92%
Chamfer 0.1-0.3 mm x 45 degree
Surface Coating Available
Usage Lighting system


Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp 0


Explosion-Proof Borosilicate Glass LED Lenses for Mining Lamp 1


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Contact Details
Shanghai Longway Special Glass Co., Ltd.

Contact Person: Mr. Dai

Tel: +86-13764030222

Fax: 86-21-58508295

Send your inquiry directly to us (0 / 3000)