Zhonglan Industry Co.,Ltd Sanqing Fengrun BLDG, No.100 South Gongye Road, Jinan City,China, Tel :+86-531-85821096 Mobile :+86 - 13402202010

CERTIFICATE OF ANALYSIS

Product Name: 4-HYDROXY TEMPO(Polymerization retarder 701)

CAS No.: 2226-96-2 Quantity 10tons

Rep Date July.20.2014 Batch NO. 20140720

MFG. Date July.20.2014 Expiry Date July.19.2016

Item Specifications Results

Appearance Orange red flakes Confirms

Ash 0.10% max 0.06

Assay 99.0% min .(GC) 99.7%

Melting point 70.0~72.0℃ 70.8℃

Water content 0.50% max 0.35%

Solubility Should be soluble in acid water Confirm And other organic solvent Ph value 8-11 9.5

Conclusion The results conforms with enterprise standards

Analyst:Liya Checker:Weichen Q.C.Director:Xuleilei Zhonglan Industry Co.,Ltd Sanqing Fengrun BLDG, No.100 South Gongye Road, Jinan City,China, Tel :+86-531-85821096 Mobile :+86 - 13402202010

CERTIFICATE OF ANALYSIS

Product Name: 4-HYDROXY TEMPO(Polymerization retarder 701)

CAS No.: 2226-96-2 Quantity 9.6tons

Rep Date Nov 11.2014 Batch NO. 20141111

MFG. Date Nov 11.2014 Expiry Date Nov 10.2016

Item Specifications Results

Appearance Orange red flakes Confirms

Ash 0.10% max 0.06

Assay 99.0% min .(GC) 99.8%

Melting point 70.0~72.0℃ 70.8℃

Water content 0.50% max 0.34%

Solubility Should be soluble in acid water Confirm And other organic solvent Ph value 8-11 9.5

Conclusion The results conforms with enterprise standards

Analyst:Liya Checker:Weichen Q.C.Director:Xuleilei Zhonglan Industry Co.,Ltd Sanqing Fengrun BLDG, No.100 South Gongye Road, Jinan City,China, Tel :+86-531-85821096 Mobile :+86 - 13402202010

CERTIFICATE OF ANALYSIS

Product Name: 4-HYDROXY TEMPO(Polymerization retarder 701)

CAS No.: 2226-96-2 Quantity 9.6tons

Rep Date Jan 11.2015 Batch NO. 20150111

MFG. Date Jan 11.2015 Expiry Date Jan 10.2017

Item Specifications Results

Appearance Orange red flakes Confirms

Ash 0.10% max 0.06

Assay 99.0% min .(GC) 99.8%

Melting point 70.0~72.0℃ 70.8℃

Water content 0.50% max 0.34%

Solubility Should be soluble in acid water Confirm And other organic solvent Ph value 8-11 9.5

Conclusion The results conforms with enterprise standards

Analyst:Liya Checker:Weichen Q.C.Director:Xuleilei