Technical Data Sheet

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NYLENE USA

1421 Hwy 136 West

Henderson, Kentucky 42420

Phone:270-826-7641
Toll-free:800-626-7050

NYLENE CANADA ULC.

200 McNab Street

Arnprior, Ontario K7S 3P2

Phone:613-623-3191
Toll-free:800-267-7394

ISO/IEC 17025 & ISO 9001:2015 Accredited Facilities

Product is manufactured in  Arnprior, ON

Web: www.nylene.com  | Email: info@nylene.com

TDS Ref ID: 1205

  • Nylene® BS-640-A
  • Technical Data Sheet
Resin Type:
  • Nylon 6
Description:                 
  •  Compounding, general grade, mid RV, unlubricated.
Properties ASTM/ISO Procedure Unit English SI
Mechanical
Tensile Strength D638 psi (MPa) 11,400 79
Flexural Modulus D790 psi (MPa) 369,000 2,548
Elongation D638 % 150
Notched Izod @ 23°C D256 ft-lb/in (J/m) 0.865 46
Thermal
Heat Deflection @ 264 psi (1.8 MPa) D648 °F (°C) 132.8 56
Manufacturing Specs Unit MIN MAX Test Method
Relative Viscosity (96% Sulphuric Acid 68°F)(1) 2.60 2.82 2-3
Methanol Extractables (%) 1.0 2-2
Moisture Content (%) 0.12 1-3
Notes: Testing conducted on dry-as-molded specimens at 73°F (22.8°C}

Recommended Processing Considerations: Med Viscosity Extrusion

Zone°F (C°)
Feed450-470 (232-243)
Transition470-490 (243-254)
Metering480-500 (249-260)
Die
480-500 (249-260)
Melt Temp.
480-500 (249-260)
Line Ratepph-rpm
21/2" extruder1.5-1.9
31/2" extruder3.5-4.5
41/2" extruder6.5-7.5

Residence Time: Screw should not be left idle for more than 3-4 minutes with melt in the barrel. Excess residence will be visible as black carbon specs in the melt.

Regrind Level: Typically, up to 25% is recommended but higher levels are possible with little or no effect on flow and finish.

Drying Temperature: Although Nylene resins are packaged and delivered in a low moisture state, it is good material handling practice to use a hopper dryer to maintain dryness. Should pre-drying be necessary, use settings of 180 °F (82.2°C) air at dew point of -40 at a rate of 1 cu. ft. / hour per pound of resin and a residence time of 2-4 hours.

Cooling and Sizing: While both air and water can be used as the cooling medium, air is preferred. The use of air allows additional time for sizing and reduces residual stress. This aids in reducing warpage, especially in profiles with varying wall sections. If water is used, heat the first section to above 100 °F (38°C) to reduce quenching and residual stress.

Die Design: Draw down of 30% is typical for all dimensions except wall thickness.

Land length: should be around 10x wall thickness.

Fillers/Reinforcements:

    Approvals & Recognition:

    • FDA Compliant - Indirect Food Contact:

    Automotive Colors:

    Disclaimer

    Nylene does not guarantee the accuracy of this information or the suitability of this product for any given application or usage situation. These values are based on test specimens and should not be used to establish specification limits or fabricate tooling.

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