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REPP Polypropylene Pre-filter

The combination of Cobetter REPP multi-layer membrane greatly improves the dirt-holding capacity and prevents the surface layer of the filter element from quickly clogging. The upstream pore size of the filter element is coarser and the downstream pore size is finer, which can intercept particles in a graded manner and greatly extend the service life. Suitable for filtering highly suspended particles, colloidal substances, and high-viscosity liquids. Distinctive features: high dirt holding capacity + ultra-high efficiency.

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Description Specifications Ordering Information

Description

Features

High dirt holding capacity, long service life, economical and practical
Ultra-high particle interception efficiency, good protection of the terminal sterilization filter element
Excellent chemical compatibility

Applications

Filtration of colloidal materials
Medium filtration
High viscosity material filtration
Fermentation broth filtration
Blood product prefiltration

Quality

100% Integrity testing in manufacturing
Each filter is fully traceable with unique serial number
Manufactured in a facility which adheres to ISO 9001:2015 Practices

Flow Rate Characteristics

Specifications

Materials of Construction

Membrane	Polypropylene (PP)
Support	Polypropylene (PP)
Core/Cage/End Caps	Polypropylene (PP)
End Cap Inserts	Polybutylene terephthalate (PBT)
Seal Material	Silicone / EPDM / Viton FEP/ PFA encapsulated O-rings

Operating Conditions

Max. Operating Temperature	80°C
Max.Operating Pressure	0.69 MPa@25°C 0.40 MPa@60°C 0.24 MPa@80°C
Max. Differential Pressure (Forward)	0.69 MPa@25°C 0.40 MPa@60°C 0.24 MPa@80°C
Max. Differential Pressure (Reverse)	0.30 MPa@25°C 0.10 MPa@80°C

Filtration Area

Outer Diameter	Removal Rating	Area/10"
68mm	1.0 μm	0.19 m2
68mm	1.5 μm	0.19 m2
68mm	3.0 μm	0.19 m2
68mm	5.0 μm	0.19 m2

Particle Retention

Retention Rates of Each Particle Size（%）
REPP	1.0 μm	1.5 μm	3.0 μm	5.0 μm	10 μm	20 μm	40 μm	70 μm
1.0 μm	≥99.98	≥99.99	≥99.99	≥99.99	≥99.99	≥99.99	≥99.99	≥99.99
1.5 μm	-	≥99.98	≥99.99	≥99.99	≥99.99	≥99.99	≥99.99	≥99.99
3.0 μm	-	-	≥99.98	≥99.99	≥99.99	≥99.99	≥99.99	≥99.99
5.0 μm	-	-	-	≥99.98	≥99.99	≥99.99	≥99.99	≥99.99

Sterilization

In-line steam sterilization

Up to 20 cycles (125°C for 30 minutes < 30 kPa per cycle).

Regulatory Compliance

Autoclaved filter effluent meets the USP<788> requirement of particulate matter in large volume injection.
Component materials meet the criteria for a "Non-fiber-releasing filter" as defined in 21 CFR 210.3(b)(6).
Aqueous extraction from a cartridge contains less than 0.25EU/ml as determined by Limulus Amebocyte Lysate (LAL), meeting requirements of USP<85>.
Meet the requirement of USP <87> In Vitro Cytotoxicity Test.
Component materials meet the requirements of the current USP<88> for plastic class VI-121°C.
All component materials meet the FDA Indirect Food Additive requirements cited in 21 CFR 177-182.
Based on the current information from our suppliers, all component materials used in the manufacture of this product are animal-free.

End Cap

Ordering Information

Outer Diameter	Type	Removal Rating	End Cap	Nominal Length	Seal Material	行業(yè)
Blank 68mm	REPP	0100 1.0 μm	DOE Double Open End	05 5 inch	S Silicone	C
		0150 1.5 μm	HTF 222/Fin (PBT insert)	10 10 inch	E EPDM	P
		0300 3.0 μm	HSF 226/Fin (PBT insert)	20 20 inch	V Viton	F
		0500 5.0 μm	HTCG 222/Flat (PBT insert)	30 30 inch	P FEP/PFA encapsulated O-rings
			HSCG 226/Flat (PBT insert)	40 40 inch

*Example：REPP0100DOE05SC (REPP，1.0μm，Double open end，5 inch，Silicone，Industrial)

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