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superior grade

a grade

qualified

appearance

clear and transparent, free of mechanical impurities and free water

purity/%    

99.7

99.5

99.3

polymermg/kg 

10

10

50

peroxide (in hydrogen peroxide)mg/kg 

100

total aldehyde (benzaldehyde) %  

0.01

0.02

0.02

color, (platinum-cobalt) 

10

15

30

the polymerization retardertbc, mg/kg

10 ~ 15



packaging, transportation and storage:
styrene shall be loaded into a dry, clean special tank wagon or galvanized steel drum with appropriate amount of antipolymerization agent (p-tert-butylo-phenol). the net weight of styrene in barrel is 160kg. the barrel mouth should be closed to prevent the infiltration of styrene and water. this product should be stored under 25 ℃ or refrigerated warehouse, in order to prevent the aggregation metamorphism. during transportation, rain and sun exposure should be prevented.
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