Research lab in Mumbai needs durable test tubes for chemical reactions in humid climate, with reliable sealing.
Imported borosilicate tubes with corks resist pH changes and thermal shocks, lasting over 3 years, saving replacement costs.
You save 280 (10%)
Estimated doorstep delivery by 21 Nov - 23 Nov from USA






Premium USA Test Tubes at Competitive Price
Karter Scientific 25x200mm glass test tubes are crafted from 3.3 borosilicate glass, offering superior thermal shock resistance and chemical durability. Ideal for laboratory experiments requiring precise temperature control and chemical inertness, these tubes include Size 11 cork stoppers for secure sealing.
Made of high-quality borosilicate glass, these test tubes withstand rapid temperature changes without cracking, making them suitable for heating and cooling cycles. The 70ml volume is perfect for small-scale reactions, sample storage, or educational demonstrations. Reviewers appreciate their durability and ease of handling, especially in humid Indian climates where soda-lime glass may leach contaminants.
Imported directly from USA, these test tubes arrive factory-sealed with all duties paid, ensuring authenticity and quality. They fit standard lab racks and are compatible with common lab equipment. Ideal for research labs, educational institutions, and hobbyist scientists across India, they provide reliable performance at a competitive price.
High-Quality Borosilicate Glass for Reliable Results
Karter Scientific test tubes are crafted from premium borosilicate glass, offering excellent thermal shock resistance and chemical inertness. This ensures consistent, contamination-free experiments, especially in Indian labs exposed to humidity and variable temperatures. The tubes are factory-sealed and imported directly from the USA, guaranteeing authenticity and durability over soda-lime alternatives, which may leach contaminants or crack under thermal stress.
Ideal for Lab Professionals and Educators in India
Designed for scientific research, educational demonstrations, and chemical storage, these test tubes support precise measurements and safe handling. They are suitable for use in Indian laboratories, research centers, and universities, providing a cost-effective, durable alternative to local glassware. Skip if you require larger volumes or specialized micro-test tubes; these are optimized for small-scale experiments and sample handling.
Typical situations where Karter Scientific 25x200mm Glass Test Tubes with Cork Stoppers helps — illustrative scenarios, not customer reviews.
Research lab in Mumbai needs durable test tubes for chemical reactions in humid climate, with reliable sealing.
Imported borosilicate tubes with corks resist pH changes and thermal shocks, lasting over 3 years, saving replacement costs.
| Material | Borosilicate Glass |
| Chemical Resistance | High |
| Thermal Shock Resistance | Excellent |
| Recommended Use | Chemical reactions, sample storage, educational demonstrations |
| Reapplication math | 70 days at 1 test per day, or 35 days at 2 tests per day |
| Shelf life | Unopened: 5 years; Use within 6 months of opening |
| Contraindications | Avoid using with highly volatile chemicals without proper sealing |
| Allergens / irritants | None |
| Feature | Karter Scientific 25x200mm | Others |
|---|---|---|
| Material & Durability | Borosilicate glass, withstands thermal shocks and chemical exposure, lasts longer | Soda-lime glass, prone to cracking and leaching, shorter lifespan |
| Volume & Size | 70ml capacity, 25x200mm size, compatible with standard lab racks | Varies, often smaller or inconsistent sizes, less precise |
| Sealing & Reusability | Includes cork stoppers, reusable, secure seal for experiments | Plastic or rubber stoppers, less durable, may leak |
| Price & Cost-Per-Use | ₹502 per test_tube | ₹150-₹300 per tube, often single-use or lower quality |
| SKU | hwy8889 |
| Brand | Karter Scientific |
| Size | 25x200mm |
| Capacity | 70ml |
| Material | Borosilicate Glass |
| Color | Clear |
About Karter Scientific
Karter Scientific specializes in high-quality labware, trusted globally for durability and chemical resistance in scientific research.
Compliance & Legal
This is a laboratory supply; not intended for medical or food use. Handle with care, avoid thermal shocks.
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This item:
Karter Scientific 25x200mm Glass Test Tubes with Cork Stoppers, 70ml | Borosilicate Labware for Scientific Use
2,510

This item
Karter Scientific 25x200mm Glass Test Tubes with Cork Stoppers, 70ml | Borosilicate Labware for Scientific Use
2,510
Total price:
9,970
You save 3,250 (25%) Extra3 items selected
3 items
9,970You save 3,250 (25%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 2,510 2,790 | 1,980 3,110 | 5,480 7,320 | 2,380 3,280 | 2,780 3,900 | 1,970 3,080 | 11,500 15,060 |
| Brand Name | Karter Scientific | Karter Scientific | Karter Scientific | Karter Scientific | Karter Scientific | 3M | VEVOR |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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