Narrow-mouth Square Tamper Evident Reagent Bottle
This narrow-mouth square reagent bottle adopts HDPE/PP as standard raw material, matched with disposable tamper-evident screw caps with silicone gaskets for excellent leakproof performance. It comes in multiple capacities from 50ml to 3000ml, ideal for storing liquid reagents and powder samples in labs, chemical factories and testing centers. We also supply narrow-mouth round and wide-mouth round tamper evident reagent bottles with full volume ranges for alternative selection.
Description
Narrow-mouth Square Tamper Evident Reagent Bottle
This narrow-mouth square reagent bottle adopts HDPE/PP as standard raw material, matched with disposable tamper-evident screw caps with silicone gaskets for excellent leakproof performance. It comes in multiple capacities from 500ml to 3000ml, ideal for storing liquid reagents and powder samples in labs, chemical factories and testing centers. We also supply narrow-mouth round and wide-mouth round tamper evident reagent bottles with full volume ranges for alternative selection.

Product Specification
|
Product name |
Narrow-mouth Square Tamper Evident Reagent Bottle |
|
Material |
HDPE/PP |
|
Color |
White |
|
Screw |
Narrow-mouth |
|
Volume |
50ml to 3000ml |
|
Shape |
Square |
Application
Guide Medlab plastic square bottle can be used in chemical lab, stored medicine, color concentrate, commodity and others.
●Suitable for storage and aliquoting of liquid reagents, standard solutions, powdered chemicals and granular raw materials.
●Supports short-term testing and long-term preservation of experimental specimens.
●Widely adopted by chemical manufacturers, environmental monitoring labs, clinical inspection facilities, bioscience research institutes and quality control testing centers.
Quality Control

Storage, Transportation and Packing
●Storage
Keep products within dry indoor environments to avoid mildew formation.
●Transportation
Available shipping channels include FedEx, UPS, DHL, EMS, sea freight, rail transport and air freight.
●Packing
Goods are packed into bulk sacks or corrugated cartons. Items are supplied non-sterile and not suitable for autoclave sterilization.
(The general packing standards are shown in the tables below. For specifications of other sizes, please contact us for details.)
| Bottle Type | Volume | Closure Size(mm) | Packing Standard |
|---|---|---|---|
| Narrow-mouth Square Bottle | 100ml | 38 | 36pcs/grid, 72pcs/carton |
| Narrow-mouth Square Bottle | 125ml | 38 | 36pcs/grid, 72pcs/carton |
| Narrow-mouth Square Bottle | 250ml | 38 | 18pcs/grid, 36pcs/carton |
| Narrow-mouth Square Bottle | 500ml | 38 | 12pcs/grid, 24pcs/carton |
| Narrow-mouth Square Bottle | 1000ml | 38 | 8pcs/grid, 16pcs/carton |

FAQ
Q1: Do you offer free samples?
Yes, we provide free samples (usually 5-10pcs) for your evaluation. Shipping cost is covered by the customer or negotiated separately.
Q2: What is minimum order quantity(MOQ)?
MOQ varies by specifications, MOQ for all types of reagent bottles is 1 carton; customized foam packaging is available for extra protection during transit.
Q3: What payment methods do you accept?
We accept T/T(bank transfer) or pay through Alibaba.
Q4: Can I add my own design or logo to the product?
Yes, we provide OEM/ODM service.
Q5: Can you provide CE and ISO for your products?
Yes, all reagent bottles include complete technical documentations including CE, ISO and COA. For some specifications, we offer FDA.
Q6: Do you support shipping insurance and freight options?
Yes, we offer sea, air and courier shipping with optional full insurance coverage.
Q7: How do you prevent scratches & deformation during shipping?
We pack them in thick 5-layer corrugated cartons with separating grids. The damage rate is controlled below 1%. Foam rack packaging is optional for extra protection.
Q8: What is your policy for damaged goods?
If scratched, deformed or missing items are found upon receipt, please send photos/videos within 48 hours. We will arrange free replacements or corresponding refunds.
Q9: What is your typical lead time?
For custom or bulk orders of reagent bottles, it usually takes 15–25 days.
Q10: Do you have a price list for bulk purchases?
Yes, we offer tiered pricing based on order volume. Please contact our sales team for a formal quote.
Q11: Do you participate in international labware exhibitions?
Yes, we regularly attend exhibitions like ARABLAB, ACHEMA, and Analytica.
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