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  3. KARTER SCIENTIFIC 238B2

KARTER SCIENTIFIC 238B2 Mouth Square Hdpe Bottles Caps 812990021305 250ML 6-PACK

238b2 Karter Scientific 250ml Wide-mouth Square Hdpe Bottles With Pp Caps 6-pack

( Brand: Karter Scientific ), ( Manufacturer Part Number: 238B2 ), ( Part Type: Cap ), ( Intended Use/discipline: Biological Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory ), ( UPC: 812990021305 )

Review KARTER SCIENTIFIC 250ml Wide mouth Square Hdpe Bottles Caps 6-pack

The **Karter Scientific 238B2 250ml Wide-Mouth Square HDPE Bottles with Caps (6-Pack)** is a premium, laboratory-grade packaging solution designed to meet the rigorous demands of scientific research, pharmaceutical storage, and industrial applications. Crafted from high-density polyethylene (HDPE), these bottles feature a durable, chemical-resistant construction that ensures long-term integrity and protection for sensitive contents, including liquids, powders, and granular substances. The wide-mouth design, measuring approximately 2.38 inches in diameter, facilitates effortless filling, sampling, and dispensing, making them ideal for laboratories where precision and ease of use are critical. The square profile of the bottles provides a stable, space-efficient footprint, allowing for organized storage in racks, shelves, or refrigerators without excessive wasted space. Each bottle is equipped with a secure, tamper-evident cap that maintains sterility and prevents contamination, while its screw-thread design ensures a tight seal to preserve sample integrity over time. The 250ml capacity strikes a practical balance, accommodating small-scale experiments, reagent storage, or sample collection without the bulk of larger containers. Whether used for chemical storage, biological specimen preservation, or industrial fluid containment, these bottles combine functionality, durability, and compliance with laboratory safety standards, making them a versatile and reliable choice for professionals who demand both performance and reliability.

**Pros and Cons of Buying Karter Scientific 238B2 250ml Wide-Mouth Square HDPE Bottles (6-Pack with Caps)**

### **Pros:**

1. **Durability and Chemical Resistance** HDPE (High-Density Polyethylene) is a robust plastic that resists corrosion, moisture, and many chemicals, making it ideal for laboratory use, sample storage, or general-purpose applications.

2. **Wide-Mouth Design** The wide opening (238B2 standard) allows for easy filling, mixing, and access to contents without spills or difficulty, which is particularly useful for powders, granules, or viscous liquids.

3. **Square Shape** The square profile provides better stability when stacked or stored upright, reducing the risk of tipping compared to round bottles.

4. **Standardized Size (250ml)** A common volume makes these bottles compatible with most laboratory equipment, pipettes, and storage systems, ensuring ease of integration into existing workflows.

5. **Clear or Transparent Material** Many HDPE bottles are transparent, allowing for easy visual inspection of contents without opening, which is useful for quality control or inventory checks.

6. **Cost-Effective for Bulk Purchases** Buying in a 6-pack reduces per-unit cost compared to single bottles, offering better value for small-scale or occasional use.

7. **Reusable and Recyclable** HDPE is recyclable, and the bottles can often be reused for non-hazardous applications, reducing waste.

8. **Compatibility with Caps** The included caps (likely screw-on or snap-fit) provide a secure seal to prevent leaks or contamination, which is critical for sample integrity.

9. **Versatile Applications** Suitable for a wide range of uses, including chemical storage, food-grade liquids (if FDA-compliant), personal care products, or general laboratory samples.

10. **Easy to Clean** The smooth surface of HDPE resists staining and is relatively easy to sanitize, making it practical for repeated use in sterile environments.

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### **Cons:**

1. **Plastic Material Limitations** While HDPE is durable, it may degrade over time with prolonged exposure to UV light, extreme temperatures, or certain solvents, potentially affecting its structural integrity.

2. **Potential for Contamination** If not properly cleaned or if the material is not food-grade or chemically inert, HDPE bottles could leach residues or absorb odors from stored substances.

3. **Weight and Bulk** HDPE bottles are heavier than glass or some other plastics, which may make shipping or handling more cumbersome, especially in large quantities.

4. **Limited Clarity for Dark Contents** If the bottles are not transparent (e.g., tinted or opaque), it may be difficult to inspect contents visually.

5. **Cost Compared to Glass** While HDPE is often cheaper than glass, for high-end or sterile applications (e.g., pharmaceuticals), glass may still be preferred despite its fragility.

6. **Environmental Concerns** Although recyclable, HDPE contributes to plastic waste if not disposed of or recycled properly, which may be a drawback for eco-conscious buyers.

7. **Seal Reliability** The quality of the included caps can vary; some may not provide an airtight seal, leading to evaporation or contamination over time.

8. **Not Ideal for High-Pressure or Vacuum Applications** HDPE is not designed for applications requiring extreme pressure changes, such as vacuum filtration or high-pressure storage.

9. **Limited Temperature Resistance** While HDPE can handle a moderate temperature range, it may warp or become brittle if exposed to very high or low temperatures for extended periods.

10. **Potential for Static Buildup** HDPE can generate static electricity, which may be problematic when handling sensitive electronic components or powders.

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### **Conclusion:**

The **Karter Scientific 238B2 250ml wide-mouth square HDPE bottles (6-pack with caps)** are a practical and cost-effective choice for general laboratory use, sample storage, or non-hazardous liquid applications. Their durability, ease of use, and chemical resistance make them well-suited for many everyday tasks. However, they may not be ideal for high-precision, sterile, or high-temperature applications where glass or specialized plastics are required. Additionally, their environmental impact and potential for contamination (if not properly maintained) are factors to consider.

For **most small-scale laboratories, research settings, or general-purpose storage**, these bottles offer a good balance of functionality and affordability. If you require **sterility, transparency for sensitive samples, or extreme chemical resistance**, you may need to explore alternative materials like borosilicate glass or other high-performance plastics.

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### **Recommendation:** - **Buy these bottles if:**

- You need durable, wide-mouth containers for general laboratory use, chemical storage, or non-hazardous samples.

- You prioritize cost efficiency and ease of handling over glass alternatives.

- Your application involves powders, granules, or liquids that require easy access without spills.

- You plan to reuse them for multiple purposes (e.g., DIY projects, small-scale production, or educational settings).

- **Consider alternatives if:**

- You work with **hazardous, volatile, or highly reactive chemicals** that require glass or specialized containers.

- Your application demands **sterility or transparency** (e.g., pharmaceuticals, microbiology).

- You need **extreme temperature resistance** or high-pressure compatibility.

- You are highly sensitive to **plastic leaching or environmental impact** and prefer glass or biodegradable options.

For most users, these bottles will serve as a reliable and economical solution. Always verify the **specific HDPE grade** (e.g., FDA-compliant for food/pharma use) and **cap compatibility** with your intended contents to ensure optimal performance.

Details:

Defective items may only be exchanged for the same title. Lot Number: 161237. Color: Translucent. Products Most of our photos are the actual item you purchasing.

Quantity: 6 Bottles per Pack. Shape: Square. Karter Scientific 250mL Wide-Mouth Square HDPE Bottles 238B2 w/ PP Caps, 6-Pack. Capacity: 250 mL.

Unless stated otherwise in the listing. Brand: Karter Scientific. Mouth Type: Wide. Material: HDPE Bottle, PP Cap.

part #: 238b2 price

  • $49.96

specifications plasticwarelabsuppy:

  • brand: Karter Scientific
  • mpn: 238b2
  • part type: Cap
  • intended use/discipline: Biological Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory
  • upc: 812990021305

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  • started: April 30, 2026
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part type: cap, intended use/discipline: biological laboratory, medical laboratory, microbiological laboratory, physical laboratory,
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