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AET/APTF Corrosion Resistance Filter

Cobetter AET, APTF series filter cartridges are composed of PTFE membrane and fluoroplastic core, support and seal material, making it all-teflon, and especially suitable for the filtration of strong chemical corrosion at high temperature.

Recommended Applications：

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Description Specifications Ordering Information

Description

Applications

Hydrofluoric acid, Nitric acid, Sulfuric acid, Hydrochloric acid and other acids filtration
Various kinds of high temperature gas filtration over 100°C
Chloroform, Dimethyl, Isopropyl alcohol and other aggressive solvents filtration
Not suitable for strong alkali filtration
Not resistant to steam sterilization

Specifications

Chemical Compatibility

	Medium	Concentration(%)	APTF			AET
	Medium	Concentration(%)	20°C	60°C	90°C	20°C	60°C	90°C
Acid	Hydrochloric acid	37	+	+	+	+	+	+
	Sulfuric acid	96	+	0	-	+	+	+
	Sulfuric acid	>97	-	-	-	+	0	0
	Nitric acid	65	+	+	+	+	+	+
	Phosphoric acid	86	+	+	+	+	+	+
	Hydrofluoric acid	40	+	+	+	+	+	+
Bases	Ammonium hydroxide	-	0	-	-	0	0	0
	Sodium hydroxide	pH＜12	+	+	+	+	+	+
	Sodium hydroxide	pH≥12	-	-	-	0	0	0
	Amine	-	0	0	-	+	0	-
Salt	General	-	+	+	+	+	+	+
Salt	Chloryl salt (NaC10)	-	0	0	-	+	0	0
Solvent	Aromatics compound		+	0	0	+	0	-
	Aliphatic compound		+	+	+	+	0	-
	Ketone, Lipid		0	0	-	+	0	-
	Alcohols(Ethyl alcohol)		+	0	0	+	+	0
	Chlorinated		+	0	0	+	0	0
	Dimethylformamide(DMF/DMAC)		-	-	-	+	0	0
Halogen Gas/Gas	Fluorine		-	-	-	0	-	-
	Chlorine		0	0	0	+	0	0
	Bromine		+	+	+	+	0	0
	Ozone		0	-	-	+	+	+
Other	Hydraulic Oil (sky diol special hydraulic working oil)		+	+	+	+	+	0
	Mineral oil		+	+	+	+	+	+
	Alkali metals(melted or dissolved）		-	-	-	-	-	-

"+" Resistant "0" Limted Resistant "-" Not Recommended

Ordering Information

Outer Diameter	Type	Wettability	Removal Rating	End Cap	Nominal Length	Seal Material	Industry
68mm	AET	— Hydrophobic	0010 0.1µm	DTF D222/Fin	10 10 inch	P FEP/PFA encapsulated O-rings	C
	APTF	\| Hydrophilic	0022 0.22µm	DTC D222/Flat	20 20 inch		P
			0045 0.45µm	SF 226/Fin	30 30 inch		F
			0500 5.0µm	SC 226/Flat	40 40 inch

* Example: AET-0010DTF10PC (APTF, Hydrophobic, 0.01µm，D222/Fin, 10 inch, FEP/PFA encapsulated O-rings, Industrial)