-- Of fused quartz or other fused silica

HS v2012 Code: 700231

Chapter	Heading	Sub-heading
70	02	31

Code	700231
Version	HS v2012
Hierarchy Level	6
Datasource	WCO
Chapter	70
Heading	7002

Ancestor Codes: Glass and glassware; Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked.

This Code: -- Of fused quartz or other fused silica

Sibling Codes (Nearest 4): -Balls; -Rods; -- Of other glass having a linear coefficient of expansion not exceeding 5 x 10-6 per Kelvin within a temperature range of 0 (C to 300 (C; -- Other

Revisions to 700231

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 700231. The most recent 1 version of this code (700231) is in the HS v2022 system:

This page shows a legacy version of code 700231 ( HS v2012).

Newer versions

HS v2022 (Latest revision):
- 700231: Glass; unworked, in tubes, of fused quartz or other fused silica
HS v2017 :
- 700231: Glass; unworked, in tubes, of fused quartz or other fused silica

Older versions

HS v2007:
- 700231: -- Of fused quartz or other fused silica

Family tree for -- of fused quartz or other fused silica

    graph LR
    A["<a href='/classifications/hs/v2012/70'>70: Glass and glassware</a>"]
A --> B["<a href='/classifications/hs/v2012/7002'>7002: Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked.</a>"]
B --> C["<a href='/classifications/hs/v2012/700231'>700231: -- Of fused quartz or other fused silica</a>"]

    B --> D["<a href='/classifications/hs/v2012/700210'>700210: -Balls</a>"]
B --> E["<a href='/classifications/hs/v2012/700220'>700220: -Rods</a>"]
B --> F["<a href='/classifications/hs/v2012/700232'>700232: -- Of other glass having a linear coefficient of expansion not exceeding 5 x 10-6 per Kelvin within a temperature range of 0 (C to 300 (C</a>"]
B --> G["<a href='/classifications/hs/v2012/700239'>700239: -- Other</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight