Product Overview
Laboratory Glass Dropper is a standard 4ml borosilicate glass transfer dropper for daily liquid handling in teaching labs, research labs, reagent rooms, and sample preparation benches. The 170mm tube, 11mm body diameter, and smooth 4.5mm tip allow controlled small-volume transfer without printed scale marks, so the model fits reagent dispensing, sample transfer, and repeat-use lab supply programs.
Specifications
|
Item |
Details |
|
Product Name |
Laboratory Glass Dropper |
|
Product Type |
Standard no-scale laboratory glass dropper |
|
Material |
3.3 borosilicate glass, silica content ≥80% |
|
Total Capacity |
4ml |
|
Single Drop Volume |
0.04ml per drop, tolerance ≤±0.004ml |
|
Length |
170mm |
|
Outer Diameter, Body |
11mm |
|
Outer Diameter, Tip |
4.5mm |
|
Wall Thickness |
0.8–1.0mm, uniform and bubble-free |
|
Temperature Resistance |
Up to 300°C |
|
Thermal Shock Resistance |
150°C thermal shock |
|
Sterilization |
121°C high-pressure sterilization |
|
Marking Type |
No printed scale marks |
|
Standard Packing |
Individual sterile packing, 100 pieces per box |
Key Features
- 3.3 borosilicate glass with silica content ≥80% keeps the tube clear and chemically steady in daily reagent transfer and repeated lab washing.
- 0.04ml drop output with ≤±0.004ml tolerance works for small-volume dispensing when lab staff need repeat droplet control without scale markings.
- Uniform 0.8–1.0mm bubble-free walls reduce weak points during cleaning, sterilization, and daily bench handling.
- 121°C high-pressure sterilization tolerance and 300°C heat resistance fit reusable laboratory workflows without shape change.
Customization Options
- Tube dimensions: length, body diameter, tip diameter, and wall thickness produced from approved drawings or physical samples.
- Drop behavior: tip opening and drop volume adjusted for the target transfer speed and dosing volume.
- Marking version: no-scale version, printed graduation version, product label, barcode, and carton mark options.
- Packing version: individual sterile packs, box quantity, private-label carton marks, and batch label format.
Packaging and Order Information
- Standard packing: individual sterile packing, 100 pieces per box.
- Pre-production samples are supplied before bulk production; custom sample development cycle is 2 weeks.
- Sample charge is waived; freight is charged separately.
- We can share production photos or videos during manufacturing for bulk laboratory supply orders.
- Quality-related damage claims are handled by dedicated after-sales staff based on shipment and batch records.
Quality Control
Laboratory Glass Dropper quality checks cover bubble-free wall uniformity, 4ml capacity consistency, 0.04ml drop output, smooth 4.5mm tip finish, and clean no-scale tube appearance. Each batch is checked against the approved tube specification, and cracked, scratched, rough-tipped, uneven-walled, or unstable-droplet pieces are removed before packing.
FAQ
Q1: Does this model include scale marks?
A1: No. Laboratory Glass Dropper is a no-scale model for regular transfer and controlled droplet output.
Q2: What is the difference between this model and a measured glass dropper?
A2: This model is for simple liquid transfer without reading marks. A measured glass dropper is used when direct graduation reading is required.
Q3: When is this 4ml laboratory dropper a better choice?
A3: It fits teaching labs, research labs, reagent rooms, and sample-preparation benches that need repeat droplet control from a standard-size reusable glass tube.
Q4: What information do you need if broken tubes or unstable droplets are found after arrival?
A4: Send photos of the affected tubes, tip condition, droplet issue if visible, affected quantity, and order number for shipment-batch checking.
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