Durable Thermal Resistance Borosilicate Fresnel Glass For Stage Lighting Equipment

Durable Thermal Resistance Borosilicate Fresnel Glass For Stage Lighting Equipment

1. Material:

   • Primary: Borosilicate Glass (e.g., similar to Pyrex or Schott Borofloat). Renowned for its low coefficient of thermal expansion.

   • Key Feature: Fabricated into a Fresnel Lens pattern – characterized by concentric, stepped grooves on one surface, allowing a thin profile with the optical power of a much thicker conventional lens.

2. Key Properties:

   • Exceptional Thermal Shock Resistance: The defining property of borosilicate glass. Withstands rapid and extreme temperature changes (e.g., intense lamp heat followed by cooling) without cracking or shattering, crucial near high-output stage lamps (halogen, HID, LED).

   • High Temperature Stability: Maintains structural integrity and optical clarity at continuous operating temperatures far exceeding those tolerable by plastics (often >400°C / 750°F).

   • Durability: Resists scratching, abrasion (from handling, cleaning), and chemical corrosion (cleaning agents, atmospheric pollutants) significantly better than plastic alternatives. Physically robust.

   • Optical Clarity & Stability: Offers superior light transmission with minimal distortion. Does not yellow, haze, warp, or degrade optically under intense heat or UV exposure over time, ensuring consistent color rendition and output.

   • Long Lifespan: Matches the longevity of high-end professional lighting fixtures, reducing downtime and replacement costs.

3. Primary Function:

   • Beam Shaping & Control (Fresnel Design): The concentric grooves efficiently refract light.

   • Soft-Edged Beam Creation: Produces the characteristic smooth, diffused, soft-edged spotlight beam essential for theatrical wash lighting and blending multiple fixtures.

   • Adjustable Beam Angle: Works in conjunction with the fixture's lamp/reflector movement to smoothly vary the beam spread from a narrow "spot" to a wide "flood" without significant focus shift or quality loss.

   • Efficient Light Collection & Projection: Gathers and projects light effectively from the source.

4. Applications:

   • Core Use: Optical element within Fresnel Fixtures used in Stage Lighting, Theatrical Lighting, Concert Touring Lighting, and Television/Film Studio Lighting.

   • Key Fixtures: Integrated into professional Fresnel spotlights from major lighting manufacturers (e.g., ETC Source Four Fresnel, Robert Juliat, Altman, ARRI, etc.).

   • Lighting Types: Essential for wash lights, area lights, and any application requiring a smooth, adjustable, soft-edged beam.

   • Environments: Theatres, concert halls, opera houses, TV studios, film sets, touring rigs, theme parks, architectural feature lighting requiring a Fresnel beam.

In essence: This is a specialized optical glass lens made from durable borosilicate, moulded into the Fresnel pattern. Its exceptional thermal resistance allows it to survive the intense heat generated by powerful stage lamps without failing. It delivers the quintessential adjustable soft-edged beam crucial for professional lighting design, maintaining optical clarity, color fidelity, and physical integrity over a long service life, even under the harsh conditions of stage use. Its heat resilience is the primary differentiator from plastic Fresnel lenses.

Introduction

Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for businesses worldwide. The company's commitment to providing high-quality glass products and services has earned it a reputation as a reliable supplier of choice among major corporations and small businesses alike.

Our Team

The team at Shanghai Longway Special Glass Co., Ltd. consists of professional experts with extensive experience in the field of glass manufacturing. These skilled technicians have honed their expertise through years of hands-on training and continuous education, ensuring that they remain up-to-date on the latest techniques and technologies.

Our Capabilities

Shanghai Longway Special Glass Co., Ltd.'s capabilities include:

 Cutting: Advanced cutting equipment allows for precise cuts in a variety of glass types.

Grinding: High-speed grinding machines enable efficient surface preparation.

Polishing: Automated polishing systems guarantee exceptional optical clarity.

Molding: Sophisticated molding techniques permit the creation of intricate shapes and designs.

Blowing: Expertise in blow-and-form processing enables the production of hollow glass products, such as bottles and jars.

Tempering: Heat-treating equipment ensures that glass products meet or exceed industry standards for thermal shock resistance.

Our Raw Materials

The company offers a wide range of raw materials and processed glass products, normally including:

Optical Glass: High-quality optical glass suitable for precision applications.

Borosilicate Glass: Durable borosilicate glass ideal for laboratory equipment and medical devices.

Quartz Glass: Pure quartz glass utilized in various industries, including electronics and optics.

Float Glass: Large sheets of float glass suitable for architectural applications and flat glass products.

Soda Lime Glass: Economical soda lime glass used for a wide range of industrial and commercial applications.

Our Quality Control Process

At Shanghai Longway Special Glass Co., Ltd., quality control is an integral part of the manufacturing process. Each product undergoes rigorous inspection to ensure that it meets or exceeds customer expectations. This commitment to excellence has earned the company a reputation as a trusted supplier of high-quality glass products.

Our Commitment to Excellence

At Shanghai Longway Special Glass Co., Ltd., we are committed to delivering exceptional quality glass products that meet or exceed customer expectations. Our team of professional experts is dedicated to providing expert advice and assistance in selecting the most suitable materials and processing techniques for specific needs. We take pride in our state-of-the-art facility, equipped with cutting-edge machinery and technology, ensuring that every product meets the highest standards.

Why Choose Us?

Shanghai Longway Special Glass Co., Ltd. is a trusted supplier of high-quality glass products, committed to delivering exceptional quality, innovation, and customer satisfaction. With over 20 years of experience and expertise spanning across various fields, we are well-positioned to meet the evolving needs of businesses worldwide. We look forward to serving your needs and meeting your expectations.