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Custom Tinted Glass Fabrication & Precision Machining

We specialize in precision machining of tinted glass using CNC, laser cutting, and polishing. Our full-service process, from rapid prototyping to volume production, delivers vibrant colors and consistent quality for architectural, display, and high-end design applications.
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What Is Tinted Glass?

Tinted glass, also known as colored glass, is a type of soda-lime or float glass where specific metal oxides or pigments are added during the manufacturing process to impart a consistent, integral color throughout its thickness. Unlike applied films or coatings, its color is permanent and uniform.

Max. Processing Size:

 Sheets over 5m in length, large-format panels

Min. Part Size:

 Precision micro-components down to 10mm.

Cutting Tolerance:

 ±0.1 mm(CNC/Waterjet),±0.05 mm(Laser)

Drilling/Milling Tolerance:

 ±0.1 mmposition &diameter)

Edge Profile Tolerance:

 ±0.1 mm

Standard Thickness Range:

 From 1.5 mm and above.

Ultra-Thin Processing Capability:

 Down to sub-1.0 mm(e.g.,0.3-0.7 mm for specialty applications)

Custom Tinted Glass for CNC Machining

We specialize in high-precision CNC machining of custom tinted glass. Our process fabricates complex, dimensionally stable components that achieve precise color matching and tailored optical properties alongside mechanical durability. Ideal for applications requiring both aesthetic control and functional performance. Complete support from prototyping to volume production.
Parameter / Property Typical Value / Range Description & Implication
Primary Chemical Composition - Base soda-lime silica glass with added colorants.
Silicon Dioxide (SiO₂) ~70 - 73% Forms the primary glass network.
Sodium Oxide (Na₂O) + Calcium Oxide (CaO) ~12 - 15% Fluxing and stabilizing agents.
Coloring Agents (e.g., Fe₂O₃, CoO, NiO, Se, etc.) 0.1 - 5% (varies) Metal oxides or elements added to produce specific, permanent body tints (e.g., Bronze, Gray, Blue, Green, Gold).
Physical & Mechanical Properties - Fundamental characteristics similar to clear float glass.
Density ~2.5 g/cm³ Standard density for soda-lime-silica glass.
Hardness (Knoop) ~585 HK Good surface scratch resistance.
Modulus of Elasticity ~72 GPa Standard stiffness.
Bend Strength (Annealed) ~30 - 50 MPa Can be heat-strengthened (70-150 MPa) or fully tempered (120-200 MPa) for safety.
Thermal Properties - Standard thermal performance.
Coefficient of Thermal Expansion ~8.5 - 9.0 x 10⁻⁶ /K Standard expansion for soda-lime glass. Compatible with standard framing systems.
Annealing Point ~545 - 560 °C Standard for float glass.
Softening Point ~720 - 730 °C Standard for float glass.
Optical & Solar Properties (Key Performance Metrics) - Varies significantly by color and thickness.
Visible Light Transmittance (VLT) 10% - 80% (typical) The percentage of visible light transmitted. Lower VLT provides more privacy and glare control.
Solar Heat Gain Coefficient (SHGC) 0.2 - 0.7 (typical) Fraction of incident solar radiation admitted. A lower SHGC indicates better solar heat rejection.
Ultraviolet (UV) Light Transmittance < 25% (often much lower) Effectively blocks a significant portion of UV radiation, protecting interiors from fading.
Light-to-Solar Gain (LSG) Ratio Varies by product Ratio of VLT to SHGC; a higher ratio indicates better daylighting efficiency relative to heat gain.
Key Fabrication Note Fully Processible Can be cut, drilled, edge-worked, laminated, and heat-treated (tempered) using standard glass fabrication methods after the tinting process.

Surface Finishing & Secondary Processing

We enhance Tinted Glass through specialized surface treatments. Our capabilities include screen printing for branding, coating (sputtering) for functional properties, sandblasting and acid etching for texture, along with precision polishing, CNC engraving, and durable painting/enameling. These processes customize glass for aesthetic, privacy, or performance needs in architectural, industrial, and consumer applications.
Screen Printing
Applies decorative patterns, logos, or functional borders using ink fired onto the glass for permanence and color.
Coating (e.g., Sputtering)
Deposits thin metallic or ceramic layers to create reflective, low-E, or anti-reflective properties for energy control.
Sandblasting
Uses high-pressure air to propel abrasive particles, creating a frosted, matte surface texture for decoration or light diffusion.
Polishing / Grinding
Refines cut edges or surfaces to a clear, smooth finish, removing machining marks and restoring optical clarity.
Acid Etching
Applies acid to create a permanent, uniform frosted or satin finish on the surface, offering a smooth tactile feel.
CNC Engraving
Uses a diamond bit to carve precise, permanent patterns, text, or deep textures into the glass surface.
Painting / Enameling

Applies ceramic-based paint onto the surface, which is then fired at high temperature to fuse into a durable, colored coating.

Advantages of Tinted Glass in Component Design & Production

Tinted glass offers enhanced aesthetics, brand identity, and functional benefits like glare reduction. However, it can increase production cost/complexity and potentially impact light transmission for sensors.

Benefits

Established Manufacturing Process: It is produced using the standard float glass manufacturing line, making its production mature, scalable, and cost-effective compared to more exotic glass types.

In-Body, Permanent Color: The color is integral to the glass mass (not a surface coating), ensuring it is fade-resistant, scratch-proof, and uniform throughout the thickness for a consistent appearance.

Excellent Fabrication Compatibility: It can be cut, drilled, edged, laminated, and—most importantly—heat-treated (tempered or heat-strengthened) after coloring. This allows great design flexibility and the addition of safety properties.

Integrated Solar Performance: It provides inherent solar control (reduced heat gain and glare) and UV blocking as a primary material property, eliminating the need for additional films in many applications.

Design Versatility: Available in a wide range of standard and custom colors, thicknesses, and performance levels (VLT/SHGC), allowing it to meet diverse aesthetic and functional specifications for architecture and design.

Durability & Weather Resistance: It retains the excellent chemical and weathering durability of its base soda-lime glass, ensuring long-term performance in outdoor applications.

Cost-Effective Solar Control: Compared to adding after-market films or using complex laminated alternatives, body-tinted glass often presents a more economical and low-maintenance solution for achieving moderate solar management.

Key Limitations to Consider

Reduced Visible Light Transmission (VLT): Its primary function of solar control inherently reduces the amount of natural daylight entering a space, which can increase reliance on artificial lighting.

Higher Heat Absorption: Darker tints absorb more solar radiation, causing the glass itself to become hot. This can lead to higher thermal stress, increasing the risk of thermal breakage if not properly heat-treated or sized.

Color and Performance Variability: Achieving absolute color consistency across different production batches or under varying lighting conditions can be challenging. Its solar performance (SHGC, VLT) is also fixed and less tunable compared to coated glazing.

Limited Design Flexibility Post-Production: The color is integral and cannot be altered after manufacturing. Any application requiring specific spectral properties or dynamic control must look to alternative technologies like switchable films or coatings.

Potential for Higher Cost vs. Clear Glass: The addition of metal oxides and more controlled manufacturing process typically makes tinted glass more expensive than standard clear float glass of the same thickness.

Aesthetic Limitations in Reflection: In certain lighting conditions, the exterior reflected color may not match designers’ or architects’ exact expectations, as it is influenced by the base glass color and the added tint.

Not a High-Performance Insulator: While it reduces solar heat gain, it does not significantly improve the insulating value (U-value) of a window unit on its own. For thermal insulation, it must be used in insulated glass units (IGUs) with low-E coatings and gas fills.

Tinted Glass Solutions for Architecture, Automotive & Design

We provide precision-fabricated tinted glass for applications requiring solar control, UV protection, and aesthetic appeal. Our solutions serve architectural facades, automotive windows, interior design, and specialty projects, balancing performance with enduring color and style.

Architecture & Facades: Used in curtain walls, windows, and skylights for solar control, glare reduction, aesthetic design, and privacy.

Automotive & Transportation: Applied in vehicle side/rear windows, sunroofs, and windscreen bands to reduce interior heat and glare.

Furniture & Interior Design: Utilized in glass partitions, shelves, tabletops, and decorative panels for both functional and aesthetic purposes.

Solar Control & Glare Reduction: Specialized applications in museum skylights, library windows, and office buildings to protect interiors from UV damage and excessive heat.

Specialty Design & Signage: Employed in colored glass canopies, artistic installations, and back-painted signage glass for striking visual effects.

FAQ: Tinted Glass for Product Development & Design

What exactly is tinted glass, and how is the color achieved?
Tinted glass, or colored glass, is made by adding specific metal oxides (like iron, cobalt, or selenium) to the molten glass batch. This creates a permanent, uniform color throughout the entire thickness of the glass, not just on the surface.
What are the main performance benefits of using tinted glass?
Its primary benefits are solar control (reducing heat gain and glare by absorbing/reflecting sunlight) and UV blocking (protecting interiors from fading). It also provides visual privacy and distinct aesthetics.
Can tinted glass be tempered or laminated?
Yes, absolutely. Tinted glass is fully compatible with standard fabrication processes. It can be heat-strengthened or fully tempered for safety, and laminated for security or acoustic performance, just like clear glass.
How do we specify the color and performance? What are VLT and SHGC?
You specify the desired color (e.g., bronze, grey, blue) and required performance metrics:

VLT (Visible Light Transmittance): The percentage of visible light that passes through.

SHGC (Solar Heat Gain Coefficient): The fraction of solar radiation admitted as heat.
Lower numbers for both mean less light and less heat gain.

Is the color consistent across different batches and production runs?
Reputable manufacturers strive for high consistency. However, slight variations can occur between batches due to the nature of raw materials and melting processes. It’s recommended to source all glass for a single project from the same production lot.
What are the limitations or challenges in working with tinted glass?
Key considerations include:

Reduced Light Transmission: It inherently darkens a space.

Thermal Absorption: Darker tints absorb more heat, which must be managed through proper tempering to prevent thermal stress breakage.

Fixed Properties: Its performance is “baked in” and less tunable than coated glass.

How does it compare to applying a film to clear glass?
Tinted glass has integral, permanent color that won’t peel or scratch off. It often offers better durability and longevity for exterior applications. Films offer more flexibility for retrofits and can be combined with clear glass for added performance.
What are typical applications and industries for your tinted glass?
Our precision-fabricated tinted glass is used in architectural facades/windows, automotive glazing, interior design partitions/furniture, and specialty design projects like signage and decorative panels.
Can you produce custom colors? What about shapes and machining?
We specialize in custom fabrication. While standard colors are most cost-effective, custom colors can be developed for large projects. We can CNC cut, drill, edge, and temper tinted glass into virtually any shape required for your design.
What impacts the lead time and cost?
Cost is influenced by glass color/thickness, order volume, and fabrication complexity (cutting, drilling, tempering). Lead time depends on the selected color’s availability and the scope of custom machining. Prototypes can be turned around quickly.

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