Technical

A-A-59178 Supersede Announcement   [PDF 101KB]

The military standard for the MS25171C, dated May 19, 1959 was replaced by A-A-59178A.

A-A-59178A Superseding A-A-59178   [PDF 61KB]

Document A-A-59178A is the current Commercial Item Description dated 12Oct2004.

A-A-59588A Commercial Item Description Silicone Rubber   [PDF 148KB]

This is the current Commercial Item Description for various grades of Silicone Rubber.

Specifications Reference Tables   [PDF 292KB]

The specification tables are for common standards such as Military specifications (Mil specs), AMS, UL Flammability, NEMA Enclosure and ASTM specifications. This specification list is for reference purposes only; refer to the actual specification for specific details.

Durometer   [PDF 174KB]

A visual comparison of the Shore OO, Shore A and Shore D standards for hardness.

Glossary of Elastomeric Terms   [PDF 399KB]

An alphabetical list of terms and their definitions related to the rubber industry.

Elastomer Library   [PDF 375KB]

A table listing a selection of elastomeric raw materials that C&M Rubber Co. is currently or have used in the past.  The table lists their physical, chemical and performance characteristics.  This document is intended to be used as a reference starting point for potential raw material selection. 

Properties of Common Elastomers   [PDF 164KB]

A table comparing the physical properties  of Natural Rubber (NR), Styrene Butadiene (SBR), Butyl (IIR), Ethylene Propylene (EPDM), Neoprene (CR), Nitrile (NBR), Silicone (VMQ/Si), Flurocarbon (FKM), Fluro Silicone (FVMQ) and Urethane (AU).

Elastomer Compatibility Chart   [PDF 284KB]

A table rating the compatibility of Natural Rubber (NR), Styrene Butadiene (SBR), Butyl (IIR), Ethylene Propylene (EPDM), Neoprene (CR), Nitrile (NBR), Silicone (VMQ/Si), Flurocarbon (FKM), Fluro Silicone (FVMQ) and Urethane (AU) with an alphabetical list of chemicals.

Rubber Shelf Life   [PDF 210KB]

A table comparing the shelf life of various elastomers in years.

Compression Molding   [PDF 446KB]

Compression molding is the most basic process of the three methods used to mold silicone or other elastomer parts.

Transfer Molding   [PDF 444KB]

Transfer molding uses a “plunger and cylinder” delivery system to control the flow of the elastomer through small holes or “sprues” located in the middle transfer plate.