Eisco Labs
| SKU
CH0449B01
Class A Borosilicate Glass Volumetric Flask with Beaded Rim, White 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
$15.79
Sale price
Regular price
$15.79
In Stock (22)
- Free US Shipping $100+ 30 Day Free Returns
Product Description
Product Description
This 20mL volumetric flask is manufactured from heavy-duty borosilicate 3.3 glass with Class A tolerance of ±0.04mL per ISO 1042 standards, calibrated to contain. A single white graduation mark indicates the calibrated volume, and the rim is beaded. No stopper is included.
The flask stands 4.3" tall with a 1.4"-diameter base; the neck has a 13mm outer diameter and 10mm inner diameter. Autoclavable with superior chemical durability; heat tolerance: strain point 515°C, annealing point 565°C, softening point 820°C.
Specifications
Specifications
- Material: 3.3 Borosilicate Glass
- Class: Class A
- Capacity: 20 ml
- Stopper: No
- Tolerance: ±0.040 ml
- Graduation: yes
- Thermal Properties (Flask)
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
- Dimensions (L × W × H): 1.40" × 1.40" × 4.30" (3.56cm × 3.56cm × 10.9cm)
- 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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