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Technical Product Data Sheets

Made with DELRIN® resin or Acetal copolymer & DELRIN® resin AF or Acetal copolymer with PTFE lubricant

Typical Property Values

Physical Properties ASTM Test Method Units  DELRIN®  resin (typical) DELRIN AF® resin  
Density D792 lbs/cu in 0.0564 0.0538
Water absorption, 24 hours D570 % .25 0.20
Mechanical Properties ASTM Test Method Units  DELRIN® resin (typical)  DELRIN® AF
Specific Gravity D792 g/cu cm. 1.56 1.49
Tensile Strength at break, 73°F D638 psi 8,500 7,000
Tensile Modulus, 73°F D638 psi 9 X 105 —-
Elongation at break, 73°F D638 % 12 20
Flexural Strength, 73°F D790 psi 10,700 12,000
Flexural Modulus, 73°F D790 psi —- 3 X 105
Izod Impact Strength, Notched, 73°F D256 ft-lbs/in. 0.8 1.5
Rockwell Hardness D785 —- R118 R118
Thermal Properties ASTM Test Method Units Made With DELRIN® resin (typical)  MadeWith
DELRIN® AF resin
Heat Deflection, 264 psi D648 °F 316 215
Melting Point —- °F 347 347
Coefficient of Linear Thermal Expansion D696 in./in./-°F 4.5 X 10-5 5.2 X 10-5
Applicable Temp. Range for Thermal Expansion —- °F 85 – 140 85 – 140
Max. Serving Temperature for Long Term —- °F 185 185
Flammability UL94 —- HB HB
Tribological Properties ASTM Test Method Units  Made With DELRIN®resin (typical) Made With
DELRIN® AF resin
Coefficient of Friction —- Dynamic 0.0564 0.0538
Wear Factor —- cu. in/hr. X (1/FV) 0.34 20 X 10-10
Limiting PV, 100 fpm —- ft-lbs/min. —- 12,000

Rods: Diameters 1/8″ to 8 ”
Plates: 1/4″ to 6″ thickness; 24″ X 48″, 48″ X 120″, 60″ X 120″
Profiles, tubes and special sizes are available on request

This information is only to assist and advise you on current technical knowledge and is given without obligation or liability. All trade and patent rights should be observed. All rights reserved.

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