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## Sanren Brand ## ? ## http://www.spc.com.cn/enspc/image/chemstr/null.gif ## Using VGO and naphtha as feedstock, the product is obtained through the processes of cracking in pyrolysis tube furnace and deep refrigeration separation. It is by-product in ethylene production. ## It is colourless gas under normal pressure, heavier than air, easy to diffuse, can form with air an explosive mixture with limits between 1.6~10.0 VOL.%. It can be compressed to be liquid and stored in steel cylinder. It has low critical temperature and high thermal expansivity. ## ? ## ? ## ? ##

Q/SH 012.01.02-1999(Enterprise standard)

No.

Item

Index

Testing Method

1

C3 and below, % (V/V) 

<=

1.5

Annex A

2

C4, % (V/V) 

>=

97.5

3

C5 and over, % (V/V) 

<=

1.0

## ? ##As feedstock for butadiene and isobutylene or as fuel.## ? ## Bulk ## ? ## Spheric tank ## Rail tanker, tank track, vessel and pipeline ##1. The product is inflammable and explosive, kept away from open fire and heat sources during storage/transportation and use; safety measures should be taken to avoid any accidents.
2. The product shall be stored, as liquid, in pressure vessel and obey relevant regulations of the state on hazardous chemicals.


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