San Diego Plastics
2220 McKinley Avenue
National City  CA  91950
800/925-4855   619/477-4855   FAX 619/477-4874

NYCAST® RX/GX

Solid lubricant filled Cast Nylon 6 is an excellent bearing and wear material.  Choose NYCAST® RX/GX for applications that require low coefficient of friction, great wear resistance, and high pressure characteristics.  It is available in Red and Grey.
 

PROPERTY

UNITS

TEST METHOD

NYCAST® RX/GX

Specific Gravity

-

ASTM D792

1.14 - 1.15

Tensile Strength

psi

ASTM D638

10,500 - 11,500

Tensile Elongation

%

ASTM D638

35 - 55

Tensile Modulus

psi

ASTM D638

375,000 - 575,000

Compressive Strength (at 10% offset)

psi

ASTM D695

12,000 - 14,000

Compressive Modulus

psi

ASTM D695

275,000 - 375,000

Flexural Strength

psi

ASTM D790

14,000 - 16,000

Flexural Modulus

psi

ASTM D790

375,000 - 475,000

Shear Strength

psi

ASTM D732

8,000 - 9,000

Notched Izod Impact

ft. lbs./in

ASTM D256

1.4 - 1.8

Hardness, Rockwell

R

ASTM D785

115 - 125

Hardness, Shore D

D

ASTM D2240

78 - 83

Melting Point

deg F

ASTM D789

450 + 10

Coef of Linear Thermal Exp.

in./in./deg F

ASTM D696

5.0 x 10-5

Deformation under Load

%

ASTM D621

0.7 - 0.8

Deflection Temp
 264 psi
 66 psi


deg F
deg F


ASTM D648
ASTM D648


179
413

Continuous Service Temp. in Air

deg F

-

230

Intermittent Service Temp.

deg F

-

330

Coefficient of Friction Dynamic (1)
 Static

-

-

.12
.025 - .35

Water Absorption
 24 Hours
 Full Saturation


%
%


ASTM D570
ASTM D570


0.4 - 0.5
4.0 - 5.0

Dielectric Strength (Short Time)

v/mil.

ASTM D149

500 - 600

Dielectric Constant
 @ 60 Cycles
 @ 1,000 Cycles
 @ 100,000 Cycles


-
-
-


ASTM D150
 


3.7
3.7
3.7


This information is presented as a guide for material comparison only, and as such design criteria should be verified through testing. Cast Nylons Ltd. makes no expressed or implied warranty for materials selected solely on the basis of the information contained herein. 

(1) Measured on thrust washer machine, unlubricated @ 10fpm and 250lb/in2.

 

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