CAS 6337-43-5 Tetra-ethyl-2,2’-(1,4-phenylene-dimethylidene)-bismalonate UV-988
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Product Description
Product Details
Introduction and Application
BCAP is an ultraviolet absorber with strong absorption in the UVB band, with a maximum absorption wavelength of 320nm.
This product is still colorless in high-concentration masterbatch and will not cause any color change or color pollution to the product.
BCAP will not form dark complexes with metal ions in the resin and is suitable for PC transparent products with high color requirements.
BCAP has better heat resistance and UV radiation resistance, and is especially suitable for engineering plastics such as PC and PET with high weather resistance requirements.
Specification
|
Appearance |
White to off-white crystalline powder |
|
Content |
≥99% |
|
Melting point |
137-140 °C |
|
425nm |
≥96.00 |
|
500nm |
≥98.00 |
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