KGW Isotherm Glass Refills for Spherical Dewar Flasks

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SKU Type For Model Weight (In Grams) Price (excluding VAT) Availability Qty To Purchase
KGW Isotherm Glass Refills for Spherical Dewar Flasks 1271 21 A 21AL 0 £359.02 1000 + -
KGW Isotherm Glass Refills for Spherical Dewar Flasks 1272 22 A 22AL 0 £581.83 1000 + -
KGW Isotherm Glass Refills for Spherical Dewar Flasks 1273 23 A 23AL 0 £766.42 1000 + -
KGW Isotherm Glass Refills for Spherical Dewar Flasks 1274 24 A 24AL 0 £1109.80 1000 + -

Description of glass Dewar flask

Material

  • borosilicate glass 3 ISO 3585

 

Chemical characteristics

  • hydrolytic resistance: according to ISO 719 (98°C)
  • hydrolytic resistance: according to ISO 720 (121°C)
  • acid resistance: according to ISO 1776
  • alkaline resistance: according to ISO 695-A2

 

Physical characteristics

  • linear expansion coefficient: 3,3 x 10-6 1/K (in between 20-300°C) 
  • density: 2,23 g/cm3
  • specific thermal capacity: 910 J/kg K
  • transformation temperature: 525°C

Vacuum

  • > 5 x 10-6 mbar

Silvering

  • fully silvered
    • SKU
      1271
    • Commodity Codes
      70172000
  • Manufacturer
    KGW-ISOTHERM
  • Country of Origin
    Germany
  • Type
    21 A, 22 A, 23 A, 24 A
  • For Model
    21AL, 22AL, 23AL, 24AL

Accessories