正航替代承天倍達濾芯主要是以不銹鋼編織網(wǎng)、燒結網(wǎng)、鐵編制網(wǎng)、為材質的，由于它使用的濾料主要是玻纖濾紙、化纖濾紙、木漿濾紙，所以它有同心率高、承受壓力大、直度好，不銹鋼材質，不帶任何毛刺，保證使用壽命長的特點，它的構造中由單層或多層金屬網(wǎng)與濾料制成，在具體使用時它的層數(shù)與構成絲網(wǎng)的目數(shù)根據(jù)不同的使用條件與用途而定。

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