The color of the product is not important to us because we produce black rubber, which I"m worried about Unsaturated fatty acids lower position of the molecular structure, sometimes may be born. Conjugation or the resonance in molecules, thus may cause structural changes from the original. I worried that it will affect the compatibility of rubber. Therefore, I request information to fill the following.1. We want to know the standard of peak of IR for this product.2. Test results from Gas Chromatography by comparison between Lot 5139018 with Lot before you have ถือครองอยู่ samples. Or other tools that make us understand and more confident that it without any problem.
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