Rongda Bio supplies nylon cell strainers in 40µm, 70µm and 100µm mesh for lab and OEM buyers, so you can judge a cell strainer manufacturer on mesh, sterilization and packing detail before you appoint a cell strainer supplier for repeat orders.

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3 Mesh apertures: 40 / 70 / 100 µm

2 Color-coded item lines

6 Item numbers in the range

100 pcs per carton

7 Documentation items listed

50 mL Centrifuge tube fit

Product facts

What the strainer actually is — and why each line matters to a buyer

Parameter	As specified	Buyer impact
Screen material	Imported nylon screen	One mesh source across reorders keeps results comparable between lots.
Mesh apertures	40 µm, 70 µm, 100 µm	Three protocols covered by a single vendor and a single purchase order.
Tube compatibility	Fits standard 50 mL centrifuge tubes	Slots into the tube format most benches already stock — no adapter spend.
Sterilization	E-beam sterilized	Irradiation-based sterility, documented by a certificate of irradiation.
Purity status	DNase-free, RNase-free, Endotoxin-free	Supports nucleic-acid-sensitive and endotoxin-sensitive downstream work.
Handle design	Artificial mechanics design, round handle	Easy one-hand handling in high-throughput filtration runs.
Production standard	ISO9001, ISO13485 and CE certification standards	Gives quality and regulatory reviewers a recognisable framework to audit against.

Line architecture

Two colour-coded item families, one specification standard

Both families share the same sterile, non-enzyme, individually wrapped format at 100 pcs per carton. Colour coding is the practical difference: bench staff can pick an aperture by sight instead of reading a label.

7000xx line

The blue / white / yellow series.

All three items: sterile, non-enzyme, individual packing, 100 pcs/carton.

7100xx line

The purple / orange / green series.

Same shared traits across the line: sterile, non-enzyme, individual packing, 100 pcs/carton.

OEM / ODM

What the factory will change — and what stays fixed

Customization is bounded. Knowing the boundary up front is what keeps a private-label project on schedule and stops a specification from drifting away from the validated product.

Customizable

Mesh aperture selection across 40 µm, 70 µm and 100 µm
Handle and colour assignment within the item lines
Private-label packaging for your own brand
Kit configurations built around your protocol

Fixed

Imported nylon screen as the mesh material
Fit for standard 50 mL centrifuge tubes
E-beam sterilization
Individual wrapping of every unit
Non-enzyme status

Contamination control

Sterility, wrapping and the handling decision

Individually wrapped Every unit arrives in its own sterile wrap, so one filter opened for one sample does not expose the rest of the carton.
E-beam sterilization An irradiation-based sterilization route, backed by a certificate of irradiation in the documentation set.
Non-enzyme status Listed as DNase-free, RNase-free and Endotoxin-free with matching test reports.
50 mL centrifuge tube fit The format aligns with the tube most labs already have at the bench, which shortens the setup step before filtration.
Round handle, ergonomic design Built for repeated, single-hand operation when a filtration run is queued back to back.

Buyer decision: individual wrapping is the format to specify when technicians open filters at the bench one at a time. Keep units in their original wrap until the moment of use so the sterility claim holds through the whole carton.

Bulk & distribution

Carton economics and volume supply

100 pcs per carton The stated carton quantity for every item number in both families, so a reorder figure can be planned per aperture.
Multiple mesh sizes in one programme The range supports alignment with diverse client applications, which is what makes bulk ordering practical for a distributor.
Built for OEM/ODM and distribution channels Carton packaging is described as meeting the volume demands of OEM/ODM buyers and resellers.
Sterile units, individually wrapped Wrapped units can be received, counted and stocked without a repacking step.

Buyer decision: order all three apertures from one line so the colour coding stays consistent for your end users, and standardise carton counts per item number to keep distribution stock records simple.

Selection logic

Match the use case to the aperture before you order

The application areas named for this line are flow cytometry sample preparation, primary culture filtration and cell sorting protocols. Use the mapping below as a starting point, then confirm the final aperture against your own validated protocol.

Use case	Starting aperture	Item numbers	Buyer decision
Flow cytometry sample preparation	40 µm	700040 / 710040	Start at the finest aperture when the pain point is material reaching the cytometer.
Primary culture filtration	70 µm	700070 / 710070	The middle option for routine single-cell suspension work where flow speed and retention both matter.
Cell sorting protocols	100 µm	700100 / 710100	Widest aperture when throughput and a gentler pass matter more than fine retention.
Mixed-protocol lab or core facility	All three	One full line	Stock one colour family end to end so bench staff never confuse two apertures mid-run.
Distributor or private-label programme	Three apertures, your branding	Customised carton plan	Confirm aperture mix, label and carton quantity through the quote form before committing volume.

Quality file

Seven documentation items a procurement reviewer will ask for

These are the certificates and reports listed for the strainer line. Collect them with the quote so the quality file is complete before the first purchase order is raised.

ISO9001Quality management system

ISO13485Medical device quality management

CE ReportEuropean conformity documentation

DNase & RNase Test ReportNuclease-free verification

Bacterial Endotoxin Test ReportEndotoxin-free verification

Migration of Specific Elements & PhthalatesMaterials migration testing

Certificate of IrradiationConfirms the E-beam sterilization route

DatasheetTechnical summary for your specification file

Request for quotation

How to build a quote in four steps

Pricing on this line runs through a quote-request model rather than a checkout, so a complete brief in the first message is what shortens the turnaround.

Add the item numbers

List the apertures and item numbers you need from the 7000xx and 7100xx lines, or the full aperture mix if you are stocking a range.

State carton volume

Confirm how many cartons per aperture. Each carton holds 100 pcs, which makes the volume figure easy to translate into unit counts.

Flag OEM/ODM requirements

If you need private-label packaging, custom colours or kit configurations, say so now — the page notes these are discussed directly for specific packaging or order details.

Ask for the documentation

Request the datasheet and the certificates or test reports you need for your quality file together with the quotation.

Send the brief and get a quotation

Include your aperture mix, carton quantities, target market and any private-label requirements.

Email: rongdaplastic@rongdaindustry.com
Phone: +86 136 1676 7326
Building 1, No. 999, Beiyuan Road, Xingian Street, Huangyan Area, Taizhou City, Zhejiang Province, China

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Frequently Asked Questions

which apertures and item numbers does this line cover?

three apertures — 40 µm, 70 µm and 100 µm — across two colour-coded families. the 7000xx line is blue (700040), white (700070) and yellow (700100); the 7100xx line is purple (710040), orange (710070) and green (710100).

how is the product sterilized and packed?

every unit is individually wrapped and e-beam sterilized, and the range is listed as sterile and non-enzyme. packaging is 100 pcs per carton for all six item numbers.

can i order private-label or customized packaging?

yes. oem/odm solutions are offered on this line, with mesh aperture, handle and colour, private-label packaging and kit configurations open to customization. the imported nylon screen, 50 ml centrifuge tube fit, e-beam sterilization, individual wrapping and non-enzyme status remain fixed.

is there a minimum order quantity for bulk supply?

the listing does not publish a fixed minimum. packaging is stated at 100 pcs per carton, and the page directs buyers to contact the team to discuss specific packaging or order details — that is the right point to confirm volume and moq for your programme.

what quality and test documentation is available?

the documentation set listed for the line includes iso9001, iso13485, a ce report, a dnase and rnase test report, a bacterial endotoxin test report, a test report for migration of specific elements and phthalates, and a certificate of irradiation.

how do i request pricing, a datasheet or a sample?

use the quote path: add the item numbers you need to the quote list or press get a quote on the product page, then send your aperture mix, carton quantities and any oem requirements. the team can also be reached at rongdaplastic@rongdaindustry.com or +86 136 1676 7326.

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Contact Us: Building 1, No. 999, Beiyuan Road.Xingian street, Huangyan Area, Taizhou City,Zhejiang Province, China; rongdaplastic@rongdaindustry.com; +86 136 1676 7326

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Nylon Cell Strainer Bulk Supply Program