Product Overview
Glass Tubes with Caps are glass sample tubes supplied with matching caps. They are used for covered sample keeping, reagent aliquots, and short-term movement between lab work areas. The cap keeps the opening covered while small liquid samples are prepared, stored, or moved in batches.
Specifications
|
Item |
Details |
|
Product Name |
Glass Tubes with Caps |
|
Product Type |
Glass test tube with matching cap |
|
Material |
Non-toxic Borosilicate 3.3 glass |
|
Standard Sizes |
10×70mm, 12×100mm, 15×120mm |
|
Capacity Range |
3ml, 5ml, 10ml |
|
Wall Thickness |
0.7–0.9mm |
|
Cap Structure |
Matching cap for covered storage |
|
Bottom Type |
Round bottom |
|
Mouth Finish |
Smooth polished tube mouth |
|
Graduation |
Printed scale, reading error within 0.5% |
|
Temperature Range |
-20℃ to 150℃ |
|
Sterilization |
121℃ pressure sterilization |
Key Features
- Matched cap for storage: the cap covers the tube opening during storage, bench movement, and short-term sample holding, helping reduce dust contact.
- Tube and cap fit checked together: the cap is matched to the mouth so the set stays covered during normal arranging, lifting, and transfer.
- Useful for small batch samples: the compact format works for reagent aliquots, culture samples, and retained samples when many covered units are handled at once.
- Smooth mouth for repeat opening: the polished opening lowers edge friction when caps are removed and replaced during sample access.
Customization Options
- Cap Options: cap color, cap fit, cap labeling, and matched tube-cap set versions
- Tube Specification: outer diameter, length, small-volume capacity, and wall thickness extensions
- Graduation & Identification: printed scale, logo position, item code, and barcode label
- Tube Finish: polished mouth, cap-contact mouth finish, and round-bottom format
- Private Label: product label and private-label artwork for distributor items
Quality Control
Inspection for Glass Tubes with Caps covers tube dimensions, cap fit, mouth smoothness, and covered-storage stability. The tube and cap are checked as one set against the approved sample, so loose caps, misfit parts, and clear batch variation can be removed.
Yukang checks every set before packing and removes tubes with visible cracks, bubbles, scratches, sharp edges, poor cap matching, or incorrect dimensions.
FAQ
Q: What is the MOQ for Glass Tubes with Caps?
A: Standard MOQ starts from 1 export carton per capped tube specification. Custom cap color, cap fit, labeling, and private-label versions start from 1,000 sets per specification.
Q: Are samples free before production?
A: Standard samples are free, with freight excluded. Custom tube-cap samples take 2 weeks after cap color, cap fit, label, graduation, and label artwork are confirmed.
Q: What lead time applies to capped glass tube orders?
A: Standard capped tube orders are usually scheduled in 7–15 days. Custom capped sets are scheduled in 20–30 days after sample approval.
Q: How are capped tubes protected for shipping?
A: The tubes and caps are packed with inner separation, tray or foam protection, matched-set control, and reinforced cartons to keep the sets organized during transport.
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