Nomex Fiber Packing
Model:KXT P304
Kaxite KXT P304 Nomex fiber packing is braided from high-quality Dupont spun Nomex yarn with PTFE impregnation and lubricant additive. High cross-sectional density and structural strength, good sliding characteristic, gentle on shafts. Compared to Kevlar, Nomex does not hurt the shaft — an excellent choice for food industry service. Rotary 20 bar, reciprocating 100 bar, static 200 bar. Shaft speed 15 m/s. Density 1.3 g/cm³. Temperature −100 to +280 °C. pH range 2–12. Bulk supply, custom cross-sections, die-formed rings, OEM branding. Free sample for qualified buyers, factory-direct price, quote within 24 hours.
Model KXT P304 · Nomex Fiber Packing
Nomex Fiber Packing KXT P304 — Dupont Spun Nomex Gland Packing, Gentle on Shaft, Bulk Supplier
Kaxite KXT P304 Nomex fiber packing is braided from high-quality Dupont spun Nomex yarn, impregnated with PTFE suspensoid and a light inert oil treatment. The PTFE suspensoid system assures even distribution of the PTFE particles through the yarn, giving high cross-sectional density and structural strength, good sliding characteristic and a surface that stays gentle on the shaft. Compared to Kevlar, Nomex does not hurt the shaft — an excellent choice for food industry service. Bulk supply, custom cross-sections, die-formed rings, OEM branding. Free sample for qualified buyers, factory-direct price, quote within 24 hours.
Nomex vs Kevlar — Why Nomex Is Gentler on the Shaft
Material Comparison
This Product · KXT P304
Dupont Spun Nomex Yarn
Nomex is a white aramid fiber. It is tough, but less abrasive to shafts and sleeves than typical aramid products. That makes it the preferred packing for equipment where shaft wear is a concern — including food industry equipment where product purity matters.
- Gentle on shaft and sleeve — less wear on the shaft
- White fiber — no carbon black contamination
- Dupont spun Nomex yarn, PTFE impregnated
- Suitable for food industry service
- Well suited for difficult sealing applications
For Reference
Typical Kevlar Aramid Packing
Kevlar (also an aramid fiber) has extremely high tensile strength and abrasion resistance, and is often chosen for high-pressure, high-speed granular and abrasive service. However, Kevlar packing can be harder on the shaft surface in extended service.
- Very high tensile strength and abrasion resistance
- Preferred for high-pressure and high-speed granular service
- Can wear the shaft faster in extended service
- Yellow fibre — different colour profile
- Not the first choice where shaft protection matters most
For Kevlar-based alternatives used in high-abrasion service, compare with our Aramid Fiber Packing range. For a Nomex packing with an added rubber core for higher spring-back, see Nomex Fiber Packing with Rubber Core. For graphite-spun aramid service, browse Graphite Spun Aramid Fiber Packing.
Full Specification — KXT P304 Nomex Fiber Packing
Data Sheet| Parameter | Value | Notes |
|---|---|---|
| Model | KXT P304 | Nomex fiber packing |
| Base fiber | Dupont spun Nomex yarn | White aramid fiber, gentle on shaft |
| Impregnation | PTFE suspensoid | Even distribution of PTFE particles |
| Additional treatment | Light inert oil treatment | Lubricant additive |
| Construction | Interlace braid, square cross-section | High cross-sectional density and structural strength |
| Rotary pump pressure | 20 bar | Rotary service |
| Reciprocating pump pressure | 100 bar | Piston and plunger service |
| Static sealing pressure | 200 bar | Valve stems and static glands |
| Rotary speed | 15 m/s maximum | Shaft speed limit |
| Density | 1.3 g/cm³ | Standard production density |
| Temperature range | −100 to +280 °C | Continuous service |
| pH range | 2 – 12 | Suitable for most chemical media |
| Supply form | Coil, spool, pre-cut rings, die-formed rings | Custom lengths and cross-sections on request |
| Customization | Cross-section size, coil length, ring size, OEM branding | Send gland drawing or stuffing box dimensions |
| Quotation basis | Cross-section size, quantity, medium, pressure, temperature, speed, destination port | Reply within 24 hours |
Where KXT P304 Nomex Packing Is Used
Application Map
01
Food Industry Equipment
Pumps, mixers and agitators in food processing lines where a white, non-contaminating packing is preferred. Nomex does not darken the product stream.
02
Chemical & Petrochemical Pumps
Rotary and reciprocating pump glands handling water, steam, solvents and oils across the pH 2–12 range.
03
Shaft-Sensitive Service
Equipment where the shaft or sleeve must not be damaged by the packing — a key advantage of Nomex over Kevlar in extended service.
04
Difficult Sealing Applications
Valve stems, mixers and agitators in general chemical service where high abrasion resistance and good sliding behaviour are required together.
Advantages of KXT P304 Nomex Packing
Performance HighlightsPerformance Advantages
- Extremely durable and abrasion resistant packing
- High cross-sectional density and structural strength
- Good sliding characteristic — lower friction against the shaft
- Gentle on shaft and sleeve — less shaft wear than Kevlar
- Well suited for difficult sealing applications
- Used in connection with most chemicals (pH 2–12)
Handling & Installation Advantages
- Packing is soft and flexible — easy to handle and install
- Suitable for a wide variety of sealing applications
- White Nomex fiber — no carbon black contamination
- Recommended for food industry service
- Compatible with water, steam, solvents and oils
- Custom cross-sections, coil lengths and die-formed rings
Commercial Terms and What to Send for a Quotation
Buyer Checklist| Item | Value | Notes |
|---|---|---|
| MOQ | Contact Kaxite | Small trial orders accepted; volume pricing for bulk orders |
| Lead time | Contact Kaxite | Standard sizes ship from stock; custom cross-sections made to order |
| Payment | T/T · L/C at sight · Trade Assurance | Other terms available on request |
| Shipping | FOB Ningbo · CIF · Express for samples | Coils and rings ship in export-grade cartons on pallets |
| Warranty | Batch traceability and material certificate with every order | Material defects remedied per standard commercial terms |
| Support | Technical consultation on gland sizing and installation | Cross-section sizing, ring count and gland tightening guidance |
| What to send | Cross-section size, shaft diameter, stuffing box dimensions, medium, pressure, temperature, shaft speed, quantity, destination port | Kaxite confirms cross-section and ring count |
Frequently Asked Questions
Buyer Q&AWhat is KXT P304 Nomex fiber packing used for?
KXT P304 is a braided gland packing for rotating and reciprocating equipment handling water, steam, solvents, oils and most chemicals within the pH 2–12 range. It is used on centrifugal pumps, reciprocating pumps, valve stems, mixers and agitators. It is a preferred choice in food industry service because the white Nomex fiber does not contaminate the product stream, and on shaft-sensitive equipment where Kevlar packing might damage the shaft.
What is the difference between Nomex and Kevlar packing?
Both Nomex and Kevlar are aramid fibers. Nomex is a white fiber that is tough but less abrasive to shafts and sleeves than typical aramid products. Kevlar is stronger and more abrasion resistant, but can wear the shaft faster in extended service. KXT P304 uses Dupont spun Nomex yarn — the right choice where shaft protection matters, and where a white non-contaminating packing is preferred for food industry service.
What pressure and speed can KXT P304 handle?
Rotary pump service: 20 bar. Reciprocating pump service: 100 bar. Static sealing: 200 bar. Maximum shaft speed is 15 m/s. For mixed-motion equipment, use the lowest applicable limit. Send your operating conditions and Kaxite will confirm the recommended cross-section and ring count.
What is the temperature and pH range?
Service temperature range is −100 °C to +280 °C. pH range is 2–12, suitable for most chemical media including acids, alkalis, solvents and oils. Density is 1.3 g/cm³.
How is the yarn impregnated?
Nomex yarns are coated in PTFE suspensoid. This system of impregnation assures even distribution of the PTFE particles through the yarn. The packing has a light inert oil treatment as a lubricant additive, which gives good sliding characteristic and keeps the packing gentle on the shaft.
Can I get a free sample before ordering?
Yes. A free sample of the exact cross-section is available for qualified buyers so you can run it through your own gland and check braid tightness, surface finish and shaft behaviour before placing a production order.
Do you provide material certificates and quality documentation?
Yes. Each shipment includes a material data sheet covering fiber type, impregnation, construction, density, pressure, speed, temperature and pH range, plus batch traceability and a dimensional inspection record. Third-party inspection can be arranged on request.
How do I request a quotation?
Send your cross-section size, shaft diameter, stuffing box dimensions, working medium, operating pressure, temperature, shaft speed, quantity and destination port. Kaxite replies within 24 hours with a factory-direct quotation, lead time and packing details.
Need a factory price for KXT P304 Nomex fiber packing? Send your cross-section, medium and operating conditions — Kaxite replies within 24 hours with a factory-direct quotation and free sample offer for qualified buyers.
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Contact Info
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Address
No. 432 Zhenhai Middle Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang China
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