ptfe-volumetric-flask--shatterproof-teflon-ware, ptfe-volumetric-flask--shatterproof-teflon-ware, /other-ptfe-products
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The HAI JU PTFE volumetric flask addresses these critical processing problems through advanced fluoropolymer formulation. Because the interior walls are completely non-reactive, this Teflon measuring flask forms a reliable barrier against molecular leaching. This ensures that your standard reference materials remain pure over long storage windows. The robust, heavy-walled construction tolerates severe thermal shifts without micro-cracking, while the flat-base layout stands securely on busy work benches. Additionally, the tight-fitting matching screw cap blocks vapor migration, allowing lab technicians to safely mix, shake, and homogenize aggressive chemical matrices.
Product Overview
Are standard borosilicate glass flasks leaching background ions or cracking during aggressive chemical workflows? The HAI JUPTFE volumetric flask provides an elite engineering option to replace fragile laboratory glassware. Molded from 100% premium virgin fluoropolymer, this high-performance Teflon measuring flask delivers total resistance against hydrofluoric acid and volatile alkaline media. Engineered to operate flawlessly across a broad temperature scale from -196°C up to 260°C, this heavy-duty shatterproof laboratory flask acts as a contamination-free vessel for precise chemical solution preparation. Featuring a clearly etched permanent graduation ring on its translucent body, it ensures repeatable volumetric measurements while protecting technicians during trace-level laboratory analysis.
| Model Number | Capacity |
| HJ-RL25 | 25ml |
| HJ-RL50 | 50ml |
| HJ-RL100 | 100ml |
| HJ-RL200 | 200ml |
| HJ-RL250 | 250ml |
| HJ-RL500 | 500ml |
| HJ-RL1000 | 1000ml |
| HJ-RL2000 | 2000ml |


Detailed Description: Overcoming Glass Leaching and Thermal Shock Fractures
In analytical testing environments, geochemical digestion, and semiconductor quality control, standard volumetric tools introduce clear processing challenges. Traditional quartz or silicate glass ware leaches boron, silicon, and aluminum ions into liquid samples, which completely ruins the accuracy of ICP-OES and ICP-MS analysis. Furthermore, when glass comes into direct contact with hydrofluoric acid, the container walls dissolve entirely. Sudden transitions from heated oil baths to freezing counter washes also cause glass tools to shatter, presenting heavy chemical spill risks.
The HAI JU PTFE volumetric flask addresses these critical processing problems through advanced fluoropolymer formulation. Because the interior walls are completely non-reactive, this Teflon measuring flask forms a reliable barrier against molecular leaching. This ensures that your standard reference materials remain pure over long storage windows. The robust, heavy-walled construction tolerates severe thermal shifts without micro-cracking, while the flat-base layout stands securely on busy work benches. Additionally, the tight-fitting matching screw cap blocks vapor migration, allowing lab technicians to safely mix, shake, and homogenize aggressive chemical matrices.
Core Features & Technical Advantages
Complete Hydrofluoric Acid Measurement Capability: Safely contains and isolates aggressive fluorinated acids, aqua regia, and highly concentrated industrial alkalis.
Shatterproof Heavy-Duty Safety Profile: Eliminates the hazard of impact breakage or thermal shock fractures common with brittle borosilicate quartz tools.
Permanent Precision Graduation Ring: Features a clearly visible, laser-etched alignment mark around the narrow neck for reliable volumetric calibration.
Contamination-Free Hydrophobic Surface: The ultra-smooth inside finish prevents liquid beads from clinging to the walls, ensuring maximum solution delivery.

Technical Specifications
| Item | Specification |
| Brand Name | HAI JU |
| Product Name | PTFE Volumetric Flask |
| Material | PTFE/Teflon |
| Temperature Resistant | -196~260℃ |
| Place of Origin | Zhejiang Province, China |
Deep-Dive Laboratory Expertise: Meniscus Observation and Thermal Memory
Executing accurate volumetric steps inside a fluoropolymer vessel requires understanding specific material behavior. Unlike transparent glass where fluid creates a distinct downward curve, high-purity PTFE is translucent. Water-based mixtures form a flatter fluid line against the hydrophobic walls of a PTFE volumetric flask
To balance out this structural difference, HAI JU applies an advanced thin-wall profiling process across the neck area. This design allows adequate external backlighting to pass through the flask, enabling accurate fluid alignment with the etched graduation mark. Furthermore, standard industrial plastics often experience a permanent change in size after heated autoclaving steps. HAI JU counters this problem by utilizing an isothermal annealing process during manufacturing. This technique locks the chemical structure of the polymer matrix in place, ensuring that your Teflon measuring flask maintains its calibrated internal volume even after repeated high-temperature heating cycles.
Broad Multi-Industry Applications
Third-Party Analytical Testing Labs: Secures zero background cross-contamination during intense trace element analytical runs for water, plastic, or soil samples.
Semiconductor Processing & Electronics: Enables clean handling of ultra-pure microelectronic grade acids and chemical etching solutions without introducing particulate defects.
Environmental Monitoring Programs: Functions as a robust tool for hydrofluoric acid measurement when breaking down dense rock, ash, and soil matrices.
Pharmaceutical & Biotech Quality Control: Meets strict cleanroom contact standards; completely non-leaching, making it ideal for mixing high-purity active pharmaceutical ingredients (APIs).
Food Inspection Laboratories: Safely processes highly acidic food samples and concentrated vinegar compounds during standard nutritional profiling.
Biotechnology & Life Sciences: Maintains structural strength during deep cryogenic storage tasks and high-temperature enzyme isolation steps.
Strategic Commercial Value for B2B Wholesalers & Lab Distributors
Procuring heavy-duty laboratory consumables directly from the HAI JU manufacturing plant in Zhejiang provides global procurement managers and commercial distribution brands with immense market leverage:
Direct-from-Factory Pricing Margins: Eliminating international middlemen and regional trading brokers lets you secure the absolute lowest baseline product cost to maximize local retail markup margins.
Low MOQ Business Flexibility: HAI JU lowers your cash-flow hurdles by offering small-batch initial minimum order quantities, enabling you to stock premium laboratory options without heavy upfront capital blockages.
Full Engineering Customization: Need specific volumetric capacities (such as 25ml, 50ml, 100ml, 250ml, or 500ml), customized neck diameters, or special tracking labels? Our technical team offers complete engineering support.
14+ Years of Cross-Border Trade Excellence: HAI JU guarantees rapid sample turnarounds, heavy-duty protective export packaging, and reliable sea or air freight routing directly to your regional logistics hubs.
Frequently Asked Questions (FAQ)
Q1:How about the payment?
A1:1. Amount less than $1000, You can pay for the order by Paypal, western Union;
2. Amount more than $1000, You can pay for the order by T/T;
3. Alibaba trade assurance paid;
Q2:How about the delivery time?
A2:1. For Sample order will be prepared within 7 Days;
2.For bulk order, normally,it needs 14-30days, it is based on your quantity;
Q3:How about the shipping?
A3:1. For sample order, it would sent by express company like UPS, Fedex ,TNT ect. We have strong cooperation with them and if you have express collected account, you will no need to pay us;
2.For bulk order, it would sent by sea. We have our cooperation forwarder and you also can use your forwarder;
Q4:How about your after service?
A4:1. Reply within 24 hours;
2. All products will undergo strict quality inspection and good packaging before shipment;
3. If you order a whole box and the damage exceeds 2%, we will replace you next time;
4. Online technical support, operation tutorial videos;
Q5:Why choose us?
A5:1. On-time delivery;
2. More than 14 years of trading experience;
3. Lowest factory price with high quality;
4. Low MOQ for small business;
5. Meet safety standard for Europe and USA;
6. Professional customized technology;
7. Can offer Professional shipping agent to help you send the goods of safe and quickly;
The HAI JU PTFE volumetric flask addresses these critical processing problems through advanced fluoropolymer formulation. Because the interior walls are completely non-reactive, this Teflon measuring flask forms a reliable barrier against molecular leaching. This ensures that your standard reference materials remain pure over long storage windows. The robust, heavy-walled construction tolerates severe thermal shifts without micro-cracking, while the flat-base layout stands securely on busy work benches. Additionally, the tight-fitting matching screw cap blocks vapor migration, allowing lab technicians to safely mix, shake, and homogenize aggressive chemical matrices.
Reliable support including installation, calibration, spare parts, and prompt technical response for laboratory equipment.
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Please tell us about your company's advantages and characteristics.
Please tell us about your company's advantages and characteristics.
Please tell us about your company's advantages and characteristics.