Eisco Labs
| SKU
CH0441A
ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, Blue Graduations
⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Regular price
$15.99
Sale price
Regular price
$15.99
In Stock (558)
- Free US Shipping $100+ 30 Day Free Returns
Product Description
Product Description
This 25mL volumetric flask is manufactured from borosilicate glass and meets Class A tolerance standards of ±0.030mL, in compliance with ASTM-E288. The flask is fitted with a solid glass No. 9 stopper and features a single blue graduation mark. It stands 5 inches tall with a 1-inch flat base, calibrated to contain.
The borosilicate glass construction is autoclavable with superior chemical durability. Heat tolerances are rated at a Strain Point of 515°C, Annealing Point of 565°C, and Softening Point of 820°C.
Specifications
Specifications
- Material: 3.3 Borosilicate Glass
- Class: Class A
- Capacity: 25 ml
- Stopper: Solid glass, No. 9
- Tolerance: ±0.030 ml
- Graduation: yes
- Height: 5 inches
- Diameter: 1 inch flat base
- Thermal Properties
Coefficient of Linear Expansion: 32.5 x 10⁻⁷ / C°
- Strain Point: 515°C
- Annealing Point: 565°C
- Softening Point: 820°C
- Specific Heat: 0.2
- Thermal Conductivity (Cal/cm3°C/Sec): 0.0027
- Chemical Durability
Contact Chemical: Duration (hours)
Loss in weight (mg/m²)
- Water distilled at 100°C: 6
10
- Water vapour steam at 121°C: 1
75
- Acid HCl: 6
100
- 80% H₂SO₄ at 130°C: 12
140
- Alkali -1N solution of Na₂CO₃ boiling: 6
4000
- Isotonic infusion Fluids
NaCl (0.85%) at 121°C: 2.5
70
Glucose (5%) at 121°C
2.5
50
- Weight: 0.10 lbs (45g)
Shipping & Returns
Shipping & Returns
SHIPPING
Ships from Rochester, NY. Orders received by 1:00 PM EST M-F typically ship same business day. Free US shipping on orders over $100. Expedited options available.
RETURNS
30-day return window. Unused items receive a full refund; used items are eligible for store credit or exchange. Return shipping is paid by the customer. Clearance items are final sale. Defective products? Contact us directly.
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