Round Bottom Flask,Long Neck With Beaded Rim

Round Bottom Flask 1.Long Neck 2.With beaded rim 3.Have a low coefficient of expansion

Laboratory Glasswares

Introduction:

 Round Bottom Flask,Long Neck  With Beaded Rim

The flask made of borosilicate glass with permanent graduations. They have a low coefficient of expansion and are thermal shock resistant.

Features:

High-borosilicate glass: BJTY glass is accord with ISO3585 and ASTM E438 level I A standard for the coefficient of expansion of 3.3 high-borosilicate glass.

BJTY glass with the best chemical stability, low expansion coefficient, can process performance and high temperature resistant impact as the main characteristics, and has a strong resistance to water, acid and alkali, such as performance, and become a laboratory instruments, chemical corrosion resistant glass equipment and heat-resistant glass vessels products are the most ideal material

Chemical Composition:

SiO2:           81%

B2O3:         13%

R2O:            4%

Al2O3 :        2%

Type: high-borosilicate glassColor: colorless, transparentChemical properties:

water resistance: grade 1;

Acid performance: grade 1;

Alkalis: A2 class

Thermal expansion coefficient:

(0-300 °C) 3.3 10-6 K-1

Annealing point (°C) : 560Softening point (°C) : 820Density (g/cm3) : 2.23

Specifications:

Model  NO.

Capacity

Size

Neck O.D

Flask O.D

Pack quantity

20407 -50	50	105(H)	22	50	192
20407-100	100	115(H)	22	64	192
20407-250	250	145(H)	34	85	72
20407-500	500	175(H)	34	105	48
20407-1L	1000	210(H)	42	131	24
20407-2L	2000	260(H)	50	166	12
20407-3L	3000	305(H)	50	195	6
20407-4L	4000	315(H)	50	207	6
20407-5L	5000	345(H)	56	230
20407-6L	6000	355(H)	65	236	4
20407-10L	10000	420(H)	70	279
20407-15L	15000
20407-20L	20000

Round Bottom Flask,Long Neck With Beaded Rim