BASF and China UV Absorber Compare

The chemical market in China is by far the largest in the world and will make up two-thirds of the total growth of the global chemical market over the next five years. BASF is the leading company in several polymer antioxidants. In recent years, with technical accumulation and development. More and more Chinese manufacturer enter polymer additives’ market and reshaped the competing.

BASF Tinuvin P vs China UV P

itemunitbasf tinuvin  p standardBASF tinuvin p
COA		our uv p standardresult
appearance/slight yellowish powderokslight yellowish powderok
melting range℃128-132NT128-131130
Volatiles％≤0.500.05≤0.500.12
Transmittance％440nm≥96.099.6440nm≥96.097.5
％460nm≥97.0100500nm≥97.099.2
Clarity of Solution/clearclearclearclear
assay％≥99.099.84%≥99.099.86

BASF Tinuvin 326 vs China UV 326

itemunitbasf standardBASF tinuvin 326our uv 326 standardresult
appearance/slight yellowish powderokslight yellowish powderok
melting range℃138-141nt137-142140-141.5
Volatiles％≤0.10≤0.10≤0.500.03
Transmittance460nm％≥93.098.9≥93.095.3
500nm％≥95.099.8≥96.098.3
Clarity of Solution/clearclearclearclear
assay％≥98.099.90%≥99.099.38

BASF Tinuvin 329 vs China UV 329

itemunitbasf tinuvin 329 standardBASF tinuvin 329 COAour uv 329 standardresult
appearance/slight yellowish powderokslight yellowish powderok
melting range℃103-105nt102.0-108.0103.9-105.5
Volatiles％≤0.20≤0.10≤0.500.06
Transmittance440nm％≥96.099.4≥96.099.2
500nm％≥98.099.9≥97.099.5
Clarity of Solution/clearclearclearclear
assay％≥99.099.90%≥99.099.86

BASF Chimassorb 81 P vs China UV 531

itemunitbasf chimassorb 81 standardBASF chimassorb 81 COAour uv 531 standardresult
appearance/slight yellowish powderokslight yellowish powderok
melting range℃47.0-49.047.647.0-49.047.5-48.2
loss on drying％ntnt≤0.500.22
ash％ntnt≤0.100.01
Volatiles％≤0.500.3≤0.500.06
Transmittance425nm％≥79.082.3≥90.093.8
500nm％≥89.095.2≥95.098.8
Clarity of Solutionclearclearclearclear
assay％ntnt≥99.099.53
color value gardner≤7.56.8NTNT

BASF Tinuvin 622 vs China Light Stabilizer 622

itemunitbasf standardBASF tinuvin 622 COAour uv 622 standardresult
appearance/coarse, white to slightly yellow powderokwhite  powderpass
molecule weight/3100-40003325≥31003342
solution viscosity1.99-2.232.05NTNT
Volatiles％≤0.500.1≤0.500.1
Transmittance425nm％≥97.099≥95.098.5
500nm％NTNT≥97.099.6
Clarity of Solutionclearclearclearclear
ash％NTNT≤0.100.02
melting Point℃NTNT50-7064.5

BASF Tinuvin 770 vs China Light Stabilizer 770

itemunitbasf tinuvin 622 standardBASF tinuvin 622 COAour uv 622 standardresult
appearance/white to off-white granulesokwhite  powderpass
Volatiles％≤0.500.2≤0.500.2
Transmittance425nm％≥98.099.4≥98.099
500nm％NTNT≥98.099.7
Clarity of Solution/clearclearclearclear
assay％≥98.099≥98.099.35
melting Point℃NTNT80-8582.5
ash％NTNT≤0.100.02
monoester％NTNT≤1.90.07
color, APHA/NTNT≤505.5

BASF Chimassorb 944 vs China Light Stabilizer 944

itemunitbasf Chimassorb 944 standardBASF Chimassorb 944 COAour uv 944 standardresult
appearance/slightly yellow,transparent pastillesokwhite  powderpass
Volatiles％≤1.00.2≤1.00.3
Transmittance425nm％≥92.097.3≥93.095.8
500nm％≥95.098.9≥95.097.5
Molecule Weight/2000-300022632100-30002432
assay％≥98.099≥98.099.35
melting point℃NTNT105-135115
ash％NTNT≤0.100.02

 

Conclusion

In mature polymer UV absorber species, Chinese producer is able to replace the leading brands in most applications. Innovation and product stability is the breakthrough point of local manufacturers.

what we do – only right partner

To provide customers with satisfied goods on time, the supply chain is highly valued and really it is where added value start. We strictly choose a manufacturer with Supply Management Module and we invest in the really good ones. Leading manufacturer of each product becomes our partner. Only by doing this, we able to be our customers’ right partner.

Source：

[1] BASF product standard is pick up from BASF website site. product date is a random pick from certification of analysis(COA).