Phenolic RTB320X - Tube

Alternative and trade names
NEMA GRADE: LE, U.L. LISTED: N
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Description

RTB320X is composed of an extra-fine weave woven cotton fabric combined with a phenolic resin system to produce a tube product that has superior machining capability with smooth, fiber free surfaces. RTB320X also complies with MIL-I-24768/13, Type FBE, ASTM D709 Type II Grade LE, Federal Specification WW-L-2887 and IEC 61212-3-1 PF CC 21.

Properties

General

Density

ρ

1.29 g/cm³ at 23 °C

ASTM D792

Moisture absorption

cmoisture

1.2 % at 23 °C

ASTM D570, Condition Dᵢ-24/23

Mechanical

Compressive modulus

Ecomp

2.93 MPa at 23 °C

Show Thermoset Polymer Matrix Composite materials with Compressive modulus of 2.93 MPa at 23 °C

ASTM D695, Condition A

Compressive strength

Rmc

206.84 MPa at 23 °C

Show Thermoset Polymer Matrix Composite materials with Compressive strength of 206.84 MPa at 23 °C

ASTM D695, Condition A

Hardness, Rockwell M

HRM

100 [-] at 23 °C

Show Thermoset Polymer Matrix Composite materials with Hardness, Rockwell M of 100 [-] at 23 °C

ASTM D785

Tensile strength

Rm

68.95 MPa at 23 °C

Show Thermoset Polymer Matrix Composite materials with Tensile strength of 68.95 MPa at 23 °C

ASTM D638, Condition A

Thermal

Flammability

UL Bulletin 94, Class HB, Condition A

Relative temperature index, electrical

RTIel

125 °C

¹

Relative temperature index, mechanical strength

RTIstr

125 °C

¹

Electrical

Dielectric strength

EDS

7.48 kV/mm at 23 °C

ASTM D149, Condition A

Technological properties

Application areas

Typical uses include retainers for ball-bearings and applications that require fine machining characteristics.

Fillers

Cotton Fabric

Other

1.This temperature is a recommendation only, and based upon experience in various applications. The maximum operating temperature is dependent upon the application and should be investigated prior to use


2.The mechanical properties are converted from American unit system to International unit system.

Primary Phase

Secondary Phase

Supplier Disclaimer

This data, while believed to be accurate and based on reliable analytical methods, is for informational purposes only. The terms and conditions of the agreement under which it is sold will govern any sales of this product. Data supplied above are "typical values"; not to be considered "specification values".


To assure the material's performance is adequate for a specific application; customers should verify, independent of Norplex-Micarta, performance characteristics of interest.


It is the responsibility of the users of this information to make sure that they have the latest version of this TDB, and are urged to check with Customer Service or, preferably our web site, www.norplex-micarta.com, to determine if the information is the most current available.

This material data has been provided by Norplex Micarta.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.