Why choose us

 

 

Professional Team

We provide leading providers of analysis, testing, quality assessment, and failure analysis solutions. As a recognized expert in the field of glass, we provide our customers with reliable solutions, explanations and recommendations.

 

Best Quality Control

In order to present the best performance, we conduct high standard tests each product between every step. It is guaranteed that our products are qualified by ISO 9001, RoHs, HF and REACH certifications.

 

Main Market

Our quartz products are sold well in many countries such as the United States, Germany, the United Kingdom, Canada, Japan, and South Korea.

 

 

Physical Properties

Values

Purity

>99.99%

Density

2.2g/cm3

Transparency

>90%

Mohs Hardness

5.5--6.5

Deformation Point

1280℃

Softening Point

1780℃

Annealing Point

1250℃

Specific Heat (20 - 350°C)

670J/kg.℃

Thermal Conductivity (20°C)

1.4W/m.℃

Heat Conductivity (w/m.k,1000 ℃ )

1.0-1.2

Refractive Index

1.4585

Coefficient of Thermal Expansion

5.5*10 -7cm/cm.℃

Hot - working Temperature

1750~2050℃

Short - term Service Temperature

1300℃

Long - term Service Temperature

1100℃

 

 
 
Advantages of Laboratory Glassware
01.

Chemical Resistance

Inert to most acids, bases, and solvents.

02.

Thermal Stability

Withstands high heat and sudden temperature changes.

03.

Transparency

Allows visual monitoring of reactions.

04.

Precision

Calibrated glassware ensures accurate measurements.

 

Types of Laboratory Glassware
Quartz Evaporating Dish

Beakers – One of the most common types of laboratory glassware, beakers are basic containers used to hold samples and reagents.


Burettes – Used to dispense liquid in exact quantities.


Pipettes (Bulb and Graduated) – Used to move a small, measured amount of fluid.


Condensers – There are many varieties of condensers, but they are all typically designed to cool or heat liquids.


Desiccators – Absorb moisture from a substance.


Drying pistols – They perform the same task as desiccators, but the pistol is a more direct way of removing moisture.


Funnels – Designed with a tapered neck to enable liquid to be poured accurately into a container with a narrow opening.

Glass Sampling Tubes – Sampling tubes are used to take small measurements of a liquid.


Graduated Cylinders – Very similar to a beaker but with volume measurements.


Petri dishes – Another well-known item from people’s school days. They are very shallow, round dishes used to culture cells.


Slides – To view items under a microscope, items are placed between two glass slides.


Vacuum Manifolds – Also known as Schlenk Lines, they are a commonly used apparatus in chemistry. They are especially useful for manipulating air-sensitive compounds.


Vials – Small bottles that are used for storage.

Quartz Crucible

 

Best Practices for Laboratory Glassware Safety

 

Inspection Before Use
Examine glassware for cracks, chips, or defects before every use. A thorough inspection helps identify weaknesses that could lead to failure during use, avoiding accidents or contamination.
Discard damaged items to prevent accidental breakage. Use a clear disposal protocol to ensure broken or compromised glassware is removed safely and promptly from the work area.

 

Proper Handling
Use both hands to carry large or heavy items. This reduces strain and the likelihood of dropping the glassware, especially when moving delicate or expensive equipment.
Support the base of flasks and beakers rather than holding them by the neck. Holding at stress points can lead to cracking, particularly when the glassware contains liquids.

 

Temperature Management
Gradually heat glassware to prevent thermal shock. Sudden changes in temperature can cause glass to expand unevenly and shatter. Use a controlled heating source and increase temperature incrementally.
Avoid placing hot glassware on cold surfaces or vice versa. Use insulating pads or trivets to maintain a stable temperature transition.
Use heat-resistant gloves when handling heated glassware. Ensure gloves are appropriately rated for high temperatures and check for wear before use.

 

Appropriate Glassware Cleaning
Rinse glassware immediately after use to prevent residue buildup. Prompt cleaning prevents hard-to-remove deposits and potential chemical reactions.
Use non-abrasive cleaning tools to avoid scratches. Scratched glass weakens structural integrity and may harbor contaminants.
Dry thoroughly before storing to prevent chemical reactions or contamination. Residual moisture can alter the composition of stored chemicals or promote microbial growth.

 

Storage Tips
Store glassware in designated cabinets or racks to prevent tipping or accidental knocks. Opt for padded or segmented racks to minimize movement during storage.
Avoid stacking fragile items unless they are specifically designed to nest. When stacking, use protective layers, such as foam sheets, to prevent contact damage.

 

Safe Disposal of Broken Glass
Use a designated glass disposal container for broken or discarded glassware. These containers should be sturdy, puncture-resistant, and clearly labeled for laboratory use.
Label the container clearly to avoid accidental injuries during waste handling. Include instructions for proper disposal to ensure compliance with safety protocols.

 

 

 
Our factory
 

The company covers an area of 7,500 square meters with a building area of 9,000 square meters. It has more than 100 employees. The production machines for the cold and hot processing of quartz glass are precise and complete. The processes are mature and stable. The processing technology and product quality have reached a medium to high level in the industry.

productcate-701-582
productcate-701-582
productcate-701-582
productcate-701-582

 

FAQ

 

Q: What is the main difference between plasticware and glassware in laboratories?

A: Glass is good with heat and chemicals, but plastic is better for not breaking and is best for low-risk tasks.

Q: When should i use plastic labware instead of glass?

A: Use plastic for tasks like mixing, handling samples, or doing field jobs where safety and cost matter.

Q: Are there chemicals that should not be used with plasticware?

A: Yes, strong solvents like acetone or chloroform can harm plastics. In these cases, glass is a safer choice.

Q: Which is more cost-effective: Glassware or plasticware?

A: Plastic is affordable and is great for tasks done often. Glass lasts longer and can save money over time if used again.

Q: What are the common types of plastic used in labware and their properties?

A: The main types are polypropylene (pp) and ldpe. Pp is tough and can go in an autoclave, while ldpe is good for soft uses like washing bottles.

Q: Can laboratory glassware be sterilized in an autoclave?

A: Yes, borosilicate lab glassware can be autoclaved at high temperatures. Ensure it’s compatible with pressure sterilization and avoid sealing items during the process.

Q: How to store laboratory glassware to prevent damage?

A: Store glassware upright in a clean, dry cabinet. Use padded racks for delicate items and separate types by function to avoid scratches and breakage.

Q: What are the common uses of volumetric glassware in the lab?

A: Volumetric glassware like pipettes, burettes, and volumetric flasks is used for accurate liquid measurements, solution preparation, and chemical titrations.

Q: What is the difference between a beaker and a flask in lab work?

A: A beaker is open and ideal for mixing or heating, while a flask (like an Erlenmeyer flask) has a narrow neck for controlled reactions and reduced evaporation.

Q: How to dispose of broken or damaged lab glassware safely?

A: Place broken glassware in labeled sharps containers or puncture-resistant disposal bins. Follow local or institutional biohazard and chemical waste guidelines.

Q: What are signs that lab glassware needs to be replaced?

A: Cracks, etched markings, cloudiness, or warped shapes indicate that glassware should be replaced to ensure accuracy and safety in laboratory procedures.

As one of the leading laboratory glassware manufacturers and suppliers in China, we warmly welcome you to wholesale bulk laboratory glassware for sale here from our factory. Also, customized service is available.

Graduated Measuring Cylinder, Quartz Evaporating Dish, Quartz Flask

Shopping Bags