Bamboo fiber - Inspection of Prohibited Substance Contents

Inspection item	Accepted level	Unit	Results	Conclusion
First category: 15 kinds of prohibited aroma amine
4-amido biphenyl	20	mg/kg	Undetected	Eligible
biphenyl amine chlorine	20	mg/kg	Undetected	Eligible
4-chlorin toluole amine	20	mg/kg	Undetected	Eligible
2£amine	20	mg/kg	Undetected	Eligible
amido azote toluole	20	mg/kg	Undetected	Eligible
2-amido-4-nitryl toluene	20	mg/kg	Undetected	Eligible
chlorobenzene amine	20	mg/kg	Undetected	Eligible
2,4 one/two amino benzene ether	20	mg/kg	Undetected	Eligible
4,4' one/two amido two benzene firedamp	20	mg/kg	Undetected	Eligible
3,3' one/two chlorine aniline	20	mg/kg	Undetected	Eligible
3,3' one/two oxygen biphenyl	20	mg/kg	Undetected	Eligible
3,3' one/two oxygen biphenyl	20	mg/kg	Undetected	Eligible
2 oxygen biphenyl	20	mg/kg	Undetected	Eligible
4,4' cymene chlorobenzene	20	mg/kg	Undetected	Eligible
toluene amine	20	mg/kg	Undetected	Eligible
Second category: extractive toluene weight
As	1.0	mg/kg	<0.2	Eligible
Pb	1.0	mg/kg	0.78	Eligible
Cd	0.1	mg/kg	Undetected	Eligible
Cr	2.0	mg/kg	Undetected	Eligible
Co	4.0	mg/kg	Undetected	Eligible
Cu	58.0	mg/kg	Undetected	Eligible
Ni	4.0	mg/kg	0.11	Eligible
Hg	0.02	mg/kg	<0.02	Eligible
Third category: formaldehyde content (rule 112) Eligible
formaldehyde	300	mg/kg	4.0	Eligible

There is now a laboratory recommendation on how to determine that bamboo yarns and fibers are really made from bamboo and not from simple viscose. For more details you may download our provisionary PDF document