Borosilicate glass

Thermal Expansion: Extremely low (~3.3 × 10⁻⁶/K), with excellent thermal shock resistance (>200°C tolerance).

Tensile strength: ~50-70 MPa (similar to soda-lime glass, slightly higher toughness). Brittle but resistant to thermal stress fractures.

Optical Properties: 92% light transmission (ultra-clear, no tint).

Chemical Resistance:Resists strong acids (except HF) and weak alkalis; superior hydrolytic stability.

Applications： Laboratory equipment, heat-resistant tools, optical components, pharmaceutical packaging, renewable energy systems, high-temperature cookware.

Key Advantages：Exceptional thermal shock resistance (withstands direct flames). High chemical durability (acid/alkali environments). Lightweight (lower density than soda-lime glass). Non-leaching, food/pharmaceutical safety compliant.

High cost: 2-5x pricier than soda-lime glass (due to boron oxide and high melting temps >1,600°C).

Complex processing: Requires specialized techniques (precision molding, laser cutting).

Limited color options:Rarely available in colored variants.

Borosilicate3.3 glass rod

Color: Amber, Cobalt Blue, Emerald Green, Ruby Red，PURPLE，PINK，WHITE，M-BLUE，M-YELLOW，AQUA，JADE，BLACK，GOLDEN-YELLOW，SMOKE-GRAY

Dimensions: Diameter: 1-50 mm; Length: 10 mm – 2 m (customizable).

Thermal Expansion: 3.3 × 10⁻⁶/K (ultra-low), thermal shock resistant (>200°C differential).

Mechanical Properties: Tensile strength: 50-70 MPa; brittle but resists thermal stress cracking.

Optical Properties: Light transmission: 80-90% (varies by color); minimal inherent tint.

Chemical Resistance： Resists acids (except HF), weak alkalis, and hydrolysis; color stability in most environments.

Applications: Decorative lighting and art installations.Lab tools (color-coded markers).High-temperature sensors with visual indicators.Architectural accents.Custom jewelry and craft components.

Key Advantages: Retains borosilicate’s thermal/chemical performance. Aesthetic versatility. Non-fading colors under UV/heat.FDA-compliant for indirect food contact.

Limitations: Higher cost for custom colors. Reduced light transmission in darker hues. Limited metallurgical color options (no metallic finishes).

Borosilicate 3.3 Colored Glass Rod

Thermal Expansion: 3.3 × 10⁻⁶/K (ultra-low), withstands thermal shocks >200°C.

Mechanical Properties: Tensile strength: 50-70 MPa; brittle but resistant to thermal stress cracking.Brittle but resistant to thermal stress fractures.

Optical Properties:92% light transmission; no iron-induced coloration.

Chemical Resistance：Resists strong acids (except HF), weak alkalis, and hydrolysis.

Applications: Laboratory stirring rods and electrodes. Optical lens.High-temperature structural components. Pharmaceutical processing tools. Heat-resistant probes and sensors.

Key Advantages Exceptional thermal shock resistance.High chemical inertness.Lightweight and durable.Non-reactive, FDA-compliant.

Limitations：Higher cost than soda-lime glass.Requires precision machining.Limited color options.

Optical Glass K9

Refractive Index:n d:1.5168 (at 587.6 nm, helium d-line)

Abbe Number (va): ~64.2(standard for crown qlass)

Transmittance:>92%(350 nm-2.000 nm),minima bubbles/inclusions.

Surface Quality: Polished surfaces achievable to λ/10 scratch-dio standards(MIL-PRF-13830).

Thermal Expansion: ~7.1x10-“/K(20-300'C)

Optical Properties:Light transmission: 80-90%(varies by color). minimalinherent tint.

Chemical Resistance: Resistant to water, weak acids, and organicsolvents; susceptible to HF and strong alkalis.

Applications: Lenses (camera, microscope, telescopes). Prisms and beam splitters. Optical windows and filters.Laser components. Precision optical instruments.

Key Advantages: High optical homogeneity and clarity. Excellent transmittance across visible and NIR spectra. Cost-effective for standard optical designs. Widely available and machinable.

Limitations: Lower UV transmittance below 350 nm. Not suitable for extreme thermal/chemical environments. Brittle compared to engineered polymers.

Optical Glass BK7

Refractive Index：1.517

Abbe Number (νₐ)： 64.2

Thermal Expansion： 7.1 × 10⁻⁶/K (20–300°C).

Mechanical Properties:Hardness: 610 HK (Knoop). Elastic Modulus: 82 GPa. Brittle, handle with care.

Chemical Resistance：Resists water, weak acids, and organic solvents; vulnerable to HF and strong alkalis.

Standard Forms： Rods, plates, lenses, prisms, windows, custom optical blanks.

Applications: Camera and microscope lenses. Laser optics (beam splitters, mirrors). Telescopic and binocular components. Optical filters and windows. Precision metrology tools.

Key Advantages: High optical homogeneity and clarity. Cost-effective for mass production.Broad spectral transmission. Excellent machinability for standard optics.fusing).

Limitations： Limited UV performance below 350 nm. - Susceptible to thermal shock in rapid temperature changes. - Brittle compared to engineered plastics.

Colored glass

Depends on base glass: Soda-lime: ~9 × 10⁻⁶/K。 Borosilicate: ~3.3 × 10⁻⁶/K.

Standard Colors: Red (gold nanoparticles or selenium), Blue (cobalt), Green (iron/chromium), Yellow (sulfur), Amber.

Mechanical Properties:Brittle (similar to base glass). Can be tempered or laminated for enhanced strength.

Optical Properties:Light transmission: 80-90% (varies by color); minimal inherent tint.

Chemical Resistance： Resistant to water and weak acids; color stability varies (some pigments degrade under UV/strong chemicals).

Applications:Architectural stained glass (windows, domes). Art installations and sculptures. Decorative tableware and lighting. Jewelry and fashion accessories. Automotive/aviation interior accents.

Key Advantages：Aesthetic versatility for artistic and functional designs. Customizable colors and textures. UV-resistant options for outdoor use.Compatible with traditional glassworking techniques (blowing, fusing).

Limitations： Higher cost for custom colors/coatings. Reduced structural integrity in laminated designs. Limited thermal shock resistance (soda-lime base). Some pigments may fade under prolonged UV exposure.Environmental Impact Recyclable (base glass), but pigmented layers may complicate recycling.Lead-based pigments require hazardous waste handling.

Colored glass

Depends on base glass: Soda-lime: ~9 × 10⁻⁶/K。 Borosilicate: ~3.3 × 10⁻⁶/K.

Standard Colors: Red (gold nanoparticles or selenium), Blue (cobalt), Green (iron/chromium), Yellow (sulfur), Amber.

Mechanical Properties:Brittle (similar to base glass). Can be tempered or laminated for enhanced strength.

Optical Properties:Light transmission: 80-90% (varies by color); minimal inherent tint.

Chemical Resistance： Resistant to water and weak acids; color stability varies (some pigments degrade under UV/strong chemicals).

Applications:Architectural stained glass (windows, domes). Art installations and sculptures. Decorative tableware and lighting. Jewelry and fashion accessories. Automotive/aviation interior accents.

Key Advantages：Aesthetic versatility for artistic and functional designs. Customizable colors and textures. UV-resistant options for outdoor use.Compatible with traditional glassworking techniques (blowing, fusing).

Limitations： Higher cost for custom colors/coatings. Reduced structural integrity in laminated designs. Limited thermal shock resistance (soda-lime base). Some pigments may fade under prolonged UV exposure.Environmental Impact Recyclable (base glass), but pigmented layers may complicate recycling.Lead-based pigments require hazardous waste handling.

Quartz Glass

Thermal Resistance - Continuous use: Up to 1,200°C Softening point: 1,730°C Thermal Expansion 0.55 × 10⁻⁶/K (low expansion, ideal for high thermal shock resistance). Optical Transparency 85-92% transmission (UV to IR range: 170nm–3,500nm).Chemical Resistance Resistant to acids, halogens, and organic solvents (except HF). Electrical Insulation Excellent dielectric strength, low conductivity.

Applications: Semiconductor manufacturing (etching chambers, crucibles) High-precision optics (lenses, prisms, UV windows) Laboratory equipment (reactors, tubing) Lighting (UV lamps, halogen lamps) High-temperature observation windows.

Advantages:Exceptional thermal stability and purity for critical environments. Superior optical clarity across broad wavelengths.Chemically inert, ensuring longevity in corrosive settings. Customizable shapes/sizes via CNC machining, blowing, or molding.

Notes:Avoid exposure to hydrofluoric acid (HF) or strong alkalis. Surface polishing available for enhanced optical performance.