halogen-free environment-friendly flame retardant author: Post: 2021年12月24日 99read Comments Off post date: dec 24,2021 expiry date: jun 22,2022 detailed description: This article is from the internet and does not represent Morpholine position. Please indicate the source when reprinting.https://www.morpholine.top/archives/18904 tag:Halogen-free environment-friendly flame retardant