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                  PRODUCTS
                  HOME > PRODUCTS > UV ABSORBERS
                  UV ABSORBERS
                  Product Name
                  CAS No.
                  Specification
                  1
                  UV-531
                  1843-05-6

                  Appearance:Pale yellow powder/Flake
                  Assay:≥99%
                  Melting point:47-49°C
                  Volatiles:≤ 0.5%
                  Ash:≤ 0.1%
                  Transmittance:
                  450nm: ≥95%
                  500nm: ≥97%

                  2
                  UV-P
                  2440-22-4

                  Appearance:Pale yellow crystal/powder
                  Assay:≥99%
                  Melting point:128-131°C
                  Volatiles:≤ 0.5%
                  Ash:≤ 0.1%
                  Transmittance:
                  450nm: ≥95%
                  500nm: ≥97%

                  3
                  UV-326
                  3896-11-5

                  Appearance:Pale yellow powder/Granular
                  Assay:≥99%
                  Melting point:138-142°C
                  Volatiles:≤ 0.5%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥97%
                  500nm: ≥98%

                  4
                  UV-327
                  3864-99-1

                  Appearance:Pale yellow powder/Granular
                  Assay:≥99%
                  Melting point:154-157°C
                  Volatiles:≤ 0.5%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥95%
                  500nm: ≥97%

                  5
                  UV-328
                  25973-55-1

                  Appearance:Pale yellow powder/Granular
                  Assay:≥99%
                  Melting point:79-87°C
                  Volatiles:≤ 0.5%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥96%
                  500nm: ≥97%

                  6
                  UV-329
                  3147-75-9

                  Appearance:Off-white powder
                  Assay:≥99%
                  Melting point:154-157°C
                  Volatiles:≤ 0.5%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥97%
                  500nm: ≥98%

                  7
                  UV-320
                  3846-71-7

                  Appearance:Off-white powder
                  Assay:≥99%
                  Melting point:152-156°C
                  Volatiles:≤ 0.3%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥97%
                  500nm: ≥98%

                  8
                  UV-360
                  103597-45-1

                  Appearance:Pale yellow powder
                  Assay:≥99%
                  Melting point:195-198°C
                  Volatiles:≤ 0.3%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥97%
                  500nm: ≥98%

                  9
                  UV-234
                  70321-86-7

                  Appearance:Pale yellow powder
                  Assay:≥99%
                  Melting point:137-141°C
                  Volatiles:≤ 0.3%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥97%
                  500nm: ≥98%

                  10
                  UV-928
                  73936-91-1

                  Appearance: Pale yellow crystal
                  Assay:≥98%
                  Melting point:108-112°C
                  Volatiles:≤ 0.3%
                  Ash:≤ 0.1%
                  Transmittance:
                  460nm: ≥97%
                  500nm: ≥98%

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