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The Rubber Group Blog
Custom Molded Rubber Parts for the Oil and Gas Industry
Transfer Molding for Rubber Products
TRG Receives Trademark for MedElast USP VI Silicone Rubber
Large Part Injection Molding
PFAS Reporting Update
TRG Engineer Completes ARPM Seal Design and Manufacturing Course
Resources
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Company Profile and Capablities
Learn about our history, certifications, and commitment to your success. From engineering and logistics through manufacturing and distribution, The Rubber Group is the industry leader in custom molded rubber products for major OEMs with names that you’ll recognize.
Chemical Compatibility
Find out which chemicals are compatible with natural rubber, SBR, GRS, butyl, EPR, EPT, EPDM, nitrile, Hydrin®, neoprene, Hypalon, urethane, polysulfide, silicone, fluorosilicone, and fluoroelastomers. From acetaldehyde to zinc sulfate, you’ll find the information that you need.
Molding Tolerances
Look up dimensional tolerances for A1 High Precision, A2 Precision, and A3 Commercial drawings from the Association for Rubber Product Manufacturers (ARPM) handbook. Each drawing designation includes millimeter and inch-based measurements for fixed and closure dimensions.