Factory support polymer thickener Carbomer carbopol 980
Factory support polymer thickener Carbomer carbopol 980
20KG/CARTON or Little quantity CARTON
after order confirmed, 7-10days later shipment.
Certificate of Analysis
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Product name: CARBOMER 980 |
Manufacturing date: Sep.06, 2020 |
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Batch number: 2020210 |
Expiry date: Sep.05, 2022 |
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Quantity: 400KGs |
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Item |
Specification |
Result |
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Appearance |
Fluffy, white powder |
Conforms |
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Viscosity (20r/min, 25°C) |
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0.2% Aqueous solution |
15,000-30,000mPa.s |
26,750mPa.s |
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0.5% Aqueous solution |
40,000-80,000mPa.s |
60,050mPa.s |
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Solution clarity (420nm) |
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0.2% Aqueous solution |
85% Min |
96.5% |
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0.5% Aqueous solution |
85% Min |
95% |
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Carboxylic acid content |
56.0-68.0% |
60% |
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Identification |
Take this product 0.1g, dispersed in 20mL water, add 10% sodium hydroxide solution 0.4ml, that is gel form |
Conforms |
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pH |
2.5-3.5 |
3.2 |
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Residual acrylic acid |
0.25% Max |
0.15% |
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Residual benzene |
0.5% Max |
ND |
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Loss on drying |
2.0% Max |
Conforms |
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Packing density |
21.0-27.0g/100ml |
Conforms |
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Heavy metals (Pb+As+Hg+Sb) |
10ppm Max |
Conforms |
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Conclusion: Up to the standards.
We hereby certify that above is true and correct.
QA Manager: Yang Xiaorong
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