PTFE Filter Tape

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Efficiently captures metallic and organic contaminants for X-ray fluoroescence (XRF) analysis.

Specially designed for use in XRF spectrometry stations and equipment to monitor metallic and organic contaminants in an air stream
PTFE membrane with no depth filter material support has low metal content, producing a low noise-to-monitoring ratio
Unique stretching technology is highly pliable and easy to use
Uniform porous structure enables reliable analysis results
Proper pore size provides efficient particle retention that is compatible with TSP, PM10, PM2.5

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Width, length, and diameter may be customized. Please contact Entegris with your requirements.

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Applications PTFE Filter Tape Applications

Metallic monitoring with XRF spectroscopy
Air quality monitoring stations
XRF monitoring equipment

Specifications

Product Specifications

Materials of construction	Membrane	PTFE
	Core	HDPE
Retention rating	2 µm
Dimensions*	Width	19 mm (0.75"), 20 mm (0.79"), 30 mm (1.18")
	Length	30 m (98.4'), 33 m (108.3'), (40 m (131.2'), 100 m (328.0')
	Core inner diameter	41.2 mm (1.62"), 52.8 mm (2.08")
*Width, length, and diameter may be customized. Contact Entegris with your requirements.

Typical Membrane Characteristics and Performance
	Type I (T1)	Type II (T2)
Retention rating	2 µm
Thickness	50 µm	70 µm
Gurley (s, 300 cc/1 in² @ 4.88 inches H₂O)	2.4	2.6
Particle retention (0.3 µm)	≥99.7%

Typical Trace Element Concentration by XRF
Ion		Ion
Al	1.3 ng/cm²	Sr	0.3 ng/cm²
Si	1.2 ng/cm²	Y	0.2 ng/cm²
P	1.0 ng/cm²	Zr	0.3 ng/cm²
S	1.8 ng/cm²	Mo	ND
Cl	1.9 ng/cm²	Pd	1.6 ng/cm²
K	1.1 ng/cm²	Ag	1.6 ng/cm²
Ca	0.5 ng/cm²	Cd	1.5 ng/cm²
Ti	0.6 ng/cm²	In	1.3 ng/cm²
V	0.1 ng/cm²	Sn	1.9 ng/cm²
Cr	0.4 ng/cm²	Sb	1.7 ng/cm²
Mn	ND	Te	ND
Fe	0.5 ng/cm²	Cs	ND
Co	0.4 ng/cm²	Ba	2.1 ng/cm²
Ni	1.0 ng/cm²	La	2.4 ng/cm²
Cu	0.9 ng/cm²	Ce	ND
Zn	1.5 ng/cm²	W	ND
Ga	1.2 ng/cm²	Pt	ND
G3	0.3 ng/cm²	Au	0.1 ng/cm²
As	0.6 ng/cm²	Hg	0.3 ng/cm²
Se	0.3 ng/cm²	Tl	0.1 ng/cm²
Br	0.1 ng/cm²	Pb	1.2 ng/cm²
Rb	0.3 ng/cm²	Bi	ND
ND = Not detectable

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Reference Materials Product Documentation

Published Mar 1, 2022 Data Sheet PTFE Filter Tape

142.0 kB

Published Mar 1, 2022 Data Sheet PTFE Filter Tape - A4

141.9 kB

Part Numbers

PTFE Filter Tape Part Numbers

Part Number	Width	Length	Core Inner Diameter
EMRT2001930T4-AT2	19 mm (0.75")	30 m (98.4")	52.8 mm (2.08")
EMRT2001940T4-AT2	19 mm (0.75")	40 m (131.2')	52.8 mm (2.08")
EMRT2002030T4-AT2	20 mm (0.79")	30 m (98.4")	52.8 mm (2.08")
EMRT200301HT3-AT1	30 mm (1.18")	100 m (328.0')	41.2 mm (1.62")
EMRT2003033T3-AT1	30 mm (1.18")	33 m (108.3')	41.2 mm (1.62")

Width, length, and diameter may be customized. Please contact Entegris with your requirements.