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Diameter 12mm x Height 75mm-Capacity 5ml-quartz test tube
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  • Diameter 12mm x Height 75mm-Capacity 5ml-quartz test tube
  • Group of clear quartz glass test tubes in various sizes, showcasing the standard round-bottom design of high-purity laboratory glassware.
  • A lineup of quartz glass test tubes with text highlighting key features: heat-resistant up to 1200°C, acid/alkali-proof, high transmittance (>90%) for efficient photocatalysis, and high-temperature resistant with low expansion for chemical stability.
  • Quartz test tubes displayed with icons and text emphasizing excellent performance: heat-resistant to 1200°C, acid/alkali corrosion resistant, solid weld with no bubbles/streaks, high purity (SiO2 ≥ 99.99%), and custom specifications available.
  • Close-up of a single high-purity quartz glass test tube, with callouts for features like 1200°C heat and acid/alkali corrosion resistance, smooth & rounded edges, high transmittance, and a round-bottom tube design.
  • A quartz test tube shown alongside various certifications (CE, ISO 9001, EMC, GB Std, RoHS, SGS Auth Test), indicating support for customization, factory direct sales, and material testing & certification for quality assurance.
  • Bottom right section of Google image search results for "Quartz Frits", displaying various industrial and lab applications of porous quartz.
  • Secure packaging process for fused quartz tubes, including foam wrap and wooden case.
High Purity Quartz Glass Test Tubes – Extreme Temperature & Chemical Resistance

High Purity Quartz Glass Test Tubes – Extreme Temperature & Chemical Resistance

$1.80

Custom OD x Wall Thickness (WT/T) x Height (H) available

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Quartz Test Tubes

High Optical Transmission, Excellent Transmittance, High Clarity, High Light Transmission.

High Temperature Resistance, Excellent Thermal Stability, Heat Resistant up to 1200°C.

Wide Range of Sizes, Full Specifications Available, Various Sizes & Specs, Comprehensive Rang

Acid & Alkali Resistant, High Chemical Resistance, Excellent Corrosion Resistance.

Product size

Product parameters

Product Name Quartz Test Tubes
Material High-Purity Fused Silica (Quartz Glass)
Key Features

  • Exceptional Thermal Stability: Withstands high temperatures and rapid thermal changes without cracking, ideal for heating applications.

  • Superior Chemical Inertness: Highly resistant to most acids, solvents, and corrosive chemicals, ensuring sample purity.

  • Excellent Optical Clarity: Offers high transparency across a broad spectrum (UV-Vis-IR optional), allowing for clear observation of contents and reactions.

  • Durable & Robust Construction: Designed for repeated use in demanding laboratory environments; available with various wall thicknesses and end finishes (e.g., rounded or flat bottom, fire-polished rim).
Applications

Quartz test tubes are versatile laboratory essentials used for a wide range of applications, including:

  • Chemical Reactions & Sample Heating: Ideal for conducting small-scale chemical reactions, heating samples directly over a flame or in heating blocks.

  • Sample Storage & Handling: Suitable for short-term storage or handling of various chemical reagents, solutions, and biological samples, especially where purity is critical.

  • Analytical Procedures: Used in various analytical techniques, sample preparation, and for observing small-volume chemical or physical changes.

  • Culture Work (Specific Types): Certain quartz tubes can be used for specialized microbiological cultures or high-temperature biological reactions.

 

Quartz Performance Table

Mechanical Properties Typical Value Thermal Properties Typical Value Electrical Properties Typical Value
Density 2.2 g/cm³ Softening Point 1780°C Electrical Resistivity 7 x 107 Ω·cm
Compressive Strength 1100 MPa Annealing Point 1250°C Dielectric Strength 250 - 400 kV/cm
Flexural Strength 67 MPa Specific Heat (20-350°C) 670 J/kg·°C Dielectric Constant 3.7 - 3.9
Tensile Strength 48 MPa Thermal Conductivity (20°C) 1.4 W/m·°C Dielectric Absorption Coefficient <1 x 10-4
Poisson's Ratio 0.14 - 0.17 Refractive Index 1.4585 Dielectric Loss Tangent <1 x 10-4
Young's Modulus 72000 MPa Coefficient of Thermal Expansion 5.5 x 10-7 /°C
Shear Modulus 31000 kPa Working Temperature 1750 - 2050°C
Mohs Hardness 5.5 - 6.5 Short-Term Service Temperature 1300°C
Strain Point 1280°C Continuous Service Temperature 1100°C

Full specification

Choose from a variety of sealed end styles for your quartz tubes, all available for custom orders. We support:

**Precision Flat Bottoms**
**Round Bottoms**
**Conical Bottoms**
**Standard Flat Bottoms**

Heat resistance

Stoppers Sold Separately.
Features Ground Glass Joint & Stopper.
Provides an Excellent Airtight Seal.

High Transmittance

High-Purity Transparent Quartz | Supported Custom Fabrications:
Tooling/Forming Features (e.g., "Pricking"), Welded Flanges, Welded Side Tubes/Arms, Flanged/Flared Ends, Custom Diameter Reducers/Expanders.

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