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Kelan Core utilizes American Prafy product solutions
Purafil: A Leader in Gas Phase Filtration. Since its founding in 1969, Purafil, an American company, has been deeply involved in the field of gas phase purification. With over fifty years of technological accumulation and innovation, it has become a global leader in gas phase filtration technology.
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Kelan Core uses custom-grade Toray filter paper, highlighting its superior product strength.
Toray Industries is a globally renowned materials company, founded in Japan in 1926. Its business spans fields such as fibers, high-performance chemicals, carbon fiber composites, environmental engineering, and life sciences, achieving remarkable results in materials innovation and production, particularly in the field of carbon fiber.
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How many grades are there for air filters, such as H12?
Air filter classification is mainly based on international standards, with the core indicator being the filtration efficiency of particles of a specific size. Common classification systems and key grades are as follows: 1. European EN 1822 standard (most commonly used). This is for high-efficiency filters (HEPA filters).
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高效过滤器常用材料及技术原理简析
高效过滤器核心功能是去除空气中 0.3μm 及以上的微粒，广泛用于洁净室、医疗等场景。常用材料滤材：以玻璃纤维为主，其纤维直径细（微米级），交织形成密集孔隙，可
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新房除甲醛，滤网材质怎么选？复合滤网才是最优解！
装修后急于入住却常被甲醛问题“卡脖子”——甲醛“短期浓度飙高、长期缓慢释放（3-15年）”的特性，让许多家庭即便购置了空气净化器也收效甚微，归根结底是滤网材质选
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家用空气净化器预过滤网怎么选？
家用空气净化器选对预过滤网，能让主滤网更耐用、净化更高效，关键看这几点。优先看材质适配性尼龙网 / PE 网：推荐宠物家庭、多尘环境，可直接水洗，反复使用，轻松
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预过滤网的多行业应用场景
预过滤网在多个领域承担着拦截大颗粒的重要使命，不同行业需求催生出多样应用方案。家用场景：精准防护生活污染物卧室、客厅的空气净化器常用尼龙网或 PET 材质预滤网
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预过滤网的 “材质与结构” 核心解析
预过滤网作为拦截大颗粒的 “先锋军”，材质选择和结构设计是其性能核心，需平衡 “拦截效率”“通风阻力”“使用寿命” 三大指标。材质选择：适配不同场景需求主流材质
Company landline
010-60770969
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Copyright Beijing Kelan Fresh Air Technology Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
销售电话/微信：15601000090赵经理
供应商管理/微信：13331060986王经理
公司电话：010-60770969
地址：北京市昌平区回龙观街道龙域东一路金域国际中心B座B座1708
©2026 版权北京可蓝新风科技有限公司所有 备案号：京ICP备2022016037号-2
技术支持：速远网络
