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Nylon Products from Quadrant EPP

Nylon Products from Quadrant EPP

– The First Choice for All General Purpose Wear and Structural Components

Product Profile:

Broadest size range availability

Good mechanical and electrical properties

Ideal balance of strength and toughness

Many grade options: FDA compliant, Internally lubricated, Heat stabilized

Cast as finished parts and near net shapes (nylon 6)

Nylon’s toughness, low coefficient of friction and good abrasion resistance make it an ideal replacement for a wide variety of materials from metal to rubber. It weighs only 1/7 as much as bronze. Using nylon reduces
lubrication requirements, eliminates galling, corrosion and pilferage problems, and improves wear resistance and sound dampening characteristics. Nylon has a proven record of outstanding service in a multitude of parts for such diverse fields as paper, textiles, electronics, construction, mining, metalworking, aircraft, food and material handling.

Nylon is easily fabricated into precision parts using standard metalworking equipment. Its good property profile combined with a broad size range availability have made the material very popular since we first
introduced nylon stock shapes in 1946. Today, a variety of extruded and cast nylon grades are available to match specific application demands.

Since nylons are frequently used for wear applications, Table 2 and Figure 9 are provided to assist designers with material selection.

Nylon 6/6 grades are extruded and available in the following cross sections: rod, tubing and plate.

Nylon 6 products are cast from Quadrant caprolactam — providing you with single source traceability and quality control from raw material to finished product. It is typically supplied in rod, plate, tubular bar or custom shapes including near net castings.

Table 1

 

Small/Screw Machine Nylon Parts
(Extruded Type 6/6)

Larger or Near Net nylon Shapes
(Cast Type 6 Nylons)

For general purpose wear and structural parts. (FDA grades available)

Nylon 101
Of all the unmodified nylons, Nylon 101 is the strongest, most rigid and has one of the highest melting points. It is
commonly specified for screw machined electrical insulators and food contact parts.
It is stocked in both natural and black. Other colors are available on a custom basis. Nylon 101 natural is FDA, USDA, NSF, and 3A-Dairy compliant.

MC® 901 Nylon
Heat stabilized nylon offering long-term thermal stability to 260ºF. It is blue in color and used in a variety of bearing and structural applications such as wheels, gears, and custom parts.

MC® 907 Nylon
Unmodified type 6 nylon offering the highest strength and hardness of the nylon 6 grades. MC 907 natural is FDA, USDA and 3A-Dairy compliant. It is off-white and primarily used for food contact parts.

For improved load bearing capability

Nylatron® GS Nylon
Molybdenum disulphide (MoS2) filled nylon offering improved strength and rigidity. With a lower coefficient of linear thermal expansion than Nylon 101, Nylatron GS parts maintain better fit and clearances, and have less tendency to seize as bearings.

Nylatron® GSM Nylon
Nylatron GSM contains finely divided particles of molybdenum disulphide (MoS2) to enhance its load bearing capabilities while maintaining the impact resistance inherent to nylon. It is the most commonly used grade for gears, sheaves, sprockets and custom parts. It is grey-black in color.

For best wear resistance and lowest coefficient of friction

See Ertalyte®

Nylatron® NSM Nylon
Best bearing and wear nylon product available today. Proprietary type 6 nylon formulation produced using Quadrant's Monocast® process. Solid lubricant additives impart self-lubricating, high pressure/velocity and superior wear resistance characteristics. Nylatron NSM was developed specifically for demanding applications where larger size parts are required. It is ideal for bearings, gears and wear pads.

In wear applications, Nylatron NSM lasts up to 10 times longer than standard Type 6 nylon.

For improved load capacity or For improved frictional characteristics

30% Glass-reinforced Nylon 6/6
For applications requiring higher compressive strength and rigidity, 30% glass reinforced Nylon 6/6 is also available. It is stocked in diameters ranging from 10mm to 150mm (or .394" to 5.910" in meter lengths).

Nylatron® GSM Blue Nylon
The first cast nylon to combine both molybdenum disulphid (MoS²) and oil for the load capacity of Nylatron GSM nylon, plus improved frictional characteristics. It excels in higher pressures, and at low speeds-up to 40 fpm. It offers 20% lower coefficient of friction, 50% greater limiting PV, and a lower "k" factor than Nylatron GSM, and the lowest "slip-stick" of any nylon product making it ideal for slide pads, thrust washers and trunion bearings. Nylatron GSM Blue should be considered for any oil-filled nylon application. It is dark blue in color.

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Table 2

Wear Rate, Coefficient of Friction and Limiting PV Data

Nylon

Wear Factor
"k" (1)

Comparative
Wear Rate to
Nylatron® NSM

Coefficient
of Friction
Static (2)

Coefficient
of Friction
Dynamic (3)

Limiting PV (4)

Nylatron® NSM

12

1.0

.17-.25

.17-.23

15,000

Nylatron® GSM Blue

86

7.2

.17-.23

.17-.21

3,400

Nylatron® GSM

91

7.6

.21-.25

.19-.23

2,500

Standard Type 6 (a)

92

7.7

.21-.24

.21-.23

1,875

Nylon 6/6

72

6.0

.16-.20

.27-.31

2,700

(1) Measured on 1/2" I.D. journal at 5000 PV (188 fpm & 42.2 psi)
K=h/PVT + 10-10

(cu. In.min./ft.lb.hr.) where:

h=radial wear (in)

P=normal pressure, (psi)

V=sliding speed, (fm)

T=test duration, (hrs)

(2) Measured on thrust washer bearing under a normal load of 50 lbs. Gradually increasing torque was applied until the bearing completed at 90° rotation in about one second.

(3) Measured on thrust washer testing machine, unlubricated @ 20 fpm & 250 psi.

(4) Limiting PV (Test value-unlubricated @ 100 fpm (lb.ft/in.2 min.

(a) Equivalent to Quadrant's MC® 901.

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Sheaves on heavy-duty lifting equipment made from Nylatron® GSM cast nylon increase wire rope life, reduce weight on the boom or mast, eliminate corrosion, and improve lift and over-the-road performance. (Prior materials: Steel, Cast iron)

Bearings
Nylatron® NSM nylon offers up to 10 times longer part life than standard type 6 nylon in this pivot bushing on a mining dump truck. (Prior material: Bronze)

Rollers, Wheels, Wear Components
Nylon offers better wear resistance, compressive strength and fatigue resistance than other materials in a variety of wear applications. (Prior materials: Steel, Aluminum, UHMW–PE, Injection Molded Nylon)

Wear Pads
Wear pads made of Nylatron® NSM nylon are light weight, able to support heavy loads, are non-abrasive to mating surfaces. (Prior material: Bronze and cast iron covered with UHMW-PE)

Gears
Gears made of Nylatron® NSM nylon run quieter and wear longer without the need for lubrication on processing equipment. (Prior materials: Bronze
and steel)

Nozzle
MC® 901 is custom cast to size saving fabrication time and money in this port cap and diffuser nozzle application. It also weighs only 1/7 the former parts making parts easier to handle and install. (Prior material: Stainless Steel)

Engineering Notes
Nylons can absorb up to 7% (by weight) water under high humidity or submerged in water. This can result in dimensional changes up to 2% and a corresponding reduction of physical properties. Proper design techniques can frequently compensate for this factor.

 

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