

The Chomerics division designs and manufactures electrically conductive materials for shielding Electromagnetic Interference (EMI) and thermal interface products and systems for electronics packaging.
Products
EMI Shielding
• CHOFORM® and ParPHorm™ form-in-place elastomer gaskets
• CHO-BOND® and CHO-SHIELD® conductive adhesives, coatings and sealants
• CHO-FLEX™ conductive coatings and inks
• CHO-SEAL® and CHO-SIL® conductive elastomer gaskets
• PREMIER™ conductive plastic shielding solutions
• SOFT-SHIELD® low closure force EMI gaskets
• Wire mesh gaskets and STREAMSHIELD™ shielded vents
• SPRINGLINE® BeCu fingerstock, CHO-SORB® ferrites
• Electrically conductive tapes and engineered laminate shields
Thermal Management
• T-WING® and C-WING™ heat spreaders
• THERMFLOW® phase-change thermal interface materials
• THERMATTACH® thermally conductive adhesive tapes
• THERM-A-GAP™ thermally conductive gap fillers and insulation pads
• CHO-THERM® thermally conductive insulating pads
• THERM-A-FORM™ thermally conductive silicone adhesives and caulks
ManufacturingCapabilities/Technologies
Compression and injection molded conductive elastomers, highly-engineered, electrically conductive injection molded plastic solutions, conductive silicone-to-metal & conductive silicone-to-plastic overmolding, conductive elastomeric extruding and splicing, automated form-in-place gasket dispensing and painting, laminating, coating, single-knife slitting, rotary die-cutting, male/female and steel rule die cutting, wrapped foam gasketing, metallic conformal coating, in-house tooling and assembly.

The Composite Sealing Systems Division designs and manufactures engineered seals and sealing systems consisting of metal-retained elastomeric combinations for static face seal applications and metal seals for extreme sealing environments.
Products
Composite Seals
• Gask-O-Seal® volume/void seals
• Integral Seal™ edge molded seals
• Stat-O-Seal® fastener and fitting seals
• ThredSeal fastener and fitting seals
• Lock-O-Seal® fastener and fitting seals
Metal Seals
• EnerRing® resilient metal seals (O, C, E, U and V cross-sections)
• Metal jacketed gaskets
• Corrugated gaskets
• Flat metal gaskets
• Metal sealing systems
Manufacturing Capabilities/Technologies Machining, stamping, compression, transfer and injection molding, rubber-to-metal bonding, vacuum heat-treatment, electroplating, roll-forming, welding and lapping.

The Engineered Polymer Systems Division and the Packing Division Europe design and manufacture engineered elastomeric, polymeric, and plastic seals and sealing systems for dynamic applications.
Engineered Polymer Systems Division (EPS) Products
Packings
• PolyPak® rod and piston seals
• WearGard™, MolyGard™, and PTFE wear rings and bearings
• Wipers and scrapers
• U-Cup packings
• V-Packing
• Integrated Piston™
Rotary Shaft Seals
• Clipper® oil seals
• Parker oil seals
• FlexiLip® PTFE rotary seals
• ProTech™ bearing isolators PTFE Seals
• FlexiSeal® spring energized lip seals
• Custom PTFE seals
• FlexiCase™ canned PTFE seals
Custom Rubber Products
• RM Dynex™ expansion joints
• SuperSpan™ and Flextra™ expansion joints
• Oilfield rubber products
Packing Division Europe (PDE) Products
• Rod and piston seals
• Rotary seals
• Flange seals
• Cushioning seals for pneumatic cylinders
• Polon® PTFE seals
• FlexiSeals®/EnerSeals® spring-assisted PTFE seals
• Ultrathan® polyurethane seals
• Sealing systems for high-pressure water pumps
• Guiding elements
• Wiper rings
• Diaphragms
• Special profiles and precision molded shapes
• Anti-vibration elements
• Bonded rubber-metal seals
• Bearings
• Plastic/rubber composite seals for dynamic automotive powertrain applications
• Bonded piston seals
• Stat-O-Seal® fastener and fitting seals
• EnerRings® resilient metal seals and shapes
• Isolation mounts and grommets
Manufacturing Capabilities/Technologies Plastics injection molding, urethane reactive extrusion, plastics compounding; rubber compression, transfer, and injection-compression molding; in-house elastomeric mixing, rubber to metal bonding; PTFE mixing, molding and sintering; CNC precision machining and milling, in-house prototyping and tooling.

The Engineered Seals Division designs and manufactures both homogeneous and inserted engineered elastomeric shapes, utilizing state-of-the-art materials and processes, for sealing systems and isolation applications.
Products
Composite Seals
• Fluid transfer seals
• Bearing seals
Custom Molded Seals
• Turbine shaft seals
• Machined dynamic seals
• Isolation mounts and grommets
• Custom seals and isolators for HVAC systems
• Diaphragms
• Hay rake tines and and other agricultural equipment components
• Poultry picking fingers
• Filter seals
• Fuel management seals
• Aerosol valve seals
• Press-in-place diamond seal and H-seal
Manufacturing Capabilities/Technologies Compression, transfer, injection and liquid injection molding (LIM), rubber-to-metal/rubber-to-plastic/rubber-to-PTFE bonding, in-house elastomeric mixing, specialty machining and sub-assembly.

The O-Ring Division designs and manufactures engineered elastomeric O-ring seals – including high-performance materials for nearly every seal application.
O-Ring Division (ORD) Products
O-Rings
• O-ring seals in fluorocarbon, fluorosilicone, silicone, ethylene propylene, nitrile,
HNBR, neoprene, butyl, polyacrylate, polyurethane and many other formulations
• O-ring seals in HiFluor® and specialty perfluorinated elastomer formulations, such
as Parofluor™ and Parofluor ULTRA™
• UL, NSF, FDA, USDA, USP, AMS, NAS and MIL-spec approved O-ring materials
• Large-diameter continuous molded O-rings
• ParBak™ Back-up rings
• Drive belts
O-Ring Accessories
• Standard and custom O-ring kits
• O-ring installation lubricants and tools
O-Ring Division Europe (ODE) Products
• O-ring seals in fluorocarbon, fluorosilicone, silicone, ethylene propylene, nitrile,
HNBR, neoprene, butyl, polyacrylate, polyurethane and many other formulations
• O-ring seals in HiFluor® and specialty perfluorinated elastomer formulations, such
as Parofluor™ and Parofluor ULTRA™
• Large diameter continuous molded O-rings
• Parbak® back-up rings
• Standard and custom O-ring kits
• O-ring installation lubricants and tools
In addition to O-rings, the following products are available from ODE:
• Custom molded shapes
• Extruded profiles
• Filter seals
• Special lathe cut profiles
• Plastic/rubber composite seals for static automotive powertrain applications
• Aerosol valve seals
• Custom seals for HVAC systems
Manufacturing Capabilities/Technologies In-house elastomeric mixing and tooling, computer controlled compression and injection molding, liquid injection molding (LIM), automated vision inspection, co-injection molding.

The Powertrain Division designs and manufactures innovative polymeric sealing systems – specializing in
over-molded technology and multi-part assemblies.
Products
Composite Seals
• Over-molded rubber-to-plastic composite carrier seals
• Short Runner Valve (SRV), Charge Motion Control Valves (CMCV) blades/assemblies for air intake control
• Over-molded rubber-to-plastic filter seals
• Bonded piston seals for dynamic biaxial applications
• Bonded rubber molded servo valve seals
• Rubber coated metal (RCM) seals
Custom Molded Seals
• Press-in-place seals
• Isolator mounts and grommets
• Integrated sealing systems for cam cover, oil pan, water outlet connector and breather applications
• Lip seals
Packings
• ChemCast® piston seals and wear rings
Manufacturing Capabilities/Technologies Compression, injection and transfer molding; integrated
assembly, over-molding rubber-to-plastic and rubber-tometal bonding.

The TechSeal Division designs and manufactures engineered elastomeric extruded profiles, lathe cuts and spliced/fabricated gaskets.
Products
Extruded Products
• Small-diameter precision cut seals
• Large-diameter lathe cut seals
• ParFab™ extruded profiles
• ParFab spliced/fabricated gaskets (hollow and solid rings/gaskets, 4-corner “picture frame”
gaskets)
• TetraSeal® circular lathe cut seals (AS-212 square cross-section lathe cut seals)
• Spin-on oil filter seals
• Industrial drive belts
• Special lathe cut profiles (D-rings, V-seals, L-seals, double chamfers, short lip seals, etc.)
• Long-length extruded seals
• Anti-drain back seals
• Sweeper belts
Manufacturing Capabilities/Technologies Compression and liquid injection molding, precision cutting, splicing and fabricating, close tolerance extruding, USP Class VI and FDA white-listed, UL and NSF 61 certified materials.
Darcoid Nor-Cal Seal offers the following range of rubber products :
Bellows Bumpers Bushings Custom molded rubber parts Grommets Matting Sealers Food grade rubber sheeting
Sleeves Tubing Expansion joints Molded bellows Custom rubber molding
Spacers O-ring cord Rubber bellows Shaped extrusions Scuppers U-channel
Stripping Washers Rubber roll stock U-Cups . . .
