Molded Rubber

MOLDED RUBBER

Designed for specific needs and applications from fuel tank gaskets, grips, vibration dampening pads for heating and air conditioning units or pump seals, DRC is known for high–precision, cost–efficient rubber molded parts. With top of the line technology and machinery DRC offers clicker presses, traveling head presses and full beam presses as well as waterjet cutting, CNC Router, Knife Table and high-speed production presses.

 

SPECIALTY AREAS

  • Custom Formulations to meet the most demanding specifications
  • Color Matching
  • Dual Durometer and Multi-Durometer compounding
  • Rubber to Metal Bonding
  • We can bond to a variety of metals including aluminum, brass, stainless and cast iron
  • Rubber to Fabric Bonding
  • We can bond to fabrics such as ballistic nylon and fiberglass
  • Molded Rubber Splicing with the ability to hold very tight tolerances
  • Tool Design assistance

 

PRODUCTION CAPABILITIES

  • Cnc router
  • Slitting
  • Flash cutting
  • High speed production presses
  • Waterjet cutting
  • Die Cutting
  • Hand cutting
  • Foam cutting
  • Full rolls
  • Custom cut rolls
  • Kiss cutting
  • Short yardage
  • Roll cutting
  • Stripping
  • PSA (Pressure Sensitive Adhesive) application

 

TYPES OF MOLDED RUBBER

Denver Rubber Company molded rubber is available in a wide range of materials.

Neoprene Performance Molded Sheets

General-purpose compound with low temperature flexibility and oil resistance, this material resists rotting, checking, and cracking due to weather exposure. This rubber is designed to meet ASTM specifications for 1 BC Material and is available in 36″ x 36″ and 48″ x 48″ with a smooth finish.

Durometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Width
(inches)
Tensile
min. psi

Ultimate

Elongation
min. %

Temperature

Range

Estimated Weight
Per Linear Foot
(5/16″ x 36″)
201/8 – 4

36×36

48×48

500550-30°F to +200°F5.5 lb
401/8 – 4

36×36

48×48

500350-30°F to +200°F5.4 lb
501/8 – 4

36×36

48×48

500300-30°F to +200°F5.88 lb
601/8 – 4

36×36

48×48

700250-30°F to +200°F5.9 lb
701/8 – 4

36×36

48×48

700150-30°F to +200°F6.15 lb
801/8 – 4

36×36

48×48

700100-30°F to +200°F6.4 lb

 

AASHTO Unsupport Molded Neoprene Bearing Pads

This material comes with a smooth finish.

Thickness Tolerance:
1.25″ thick or less = +0.125/-0

Width Tolerance:
36″ width = +0.25″/-0
48″ width = +0.5″/-0

Specifications:

Durometer
Hardness
(Shore A ± 5)
Thickness
(inches)
Size
(inches)
Tensile
PSI

Ultimate

Elongation
Percent

Temperature
Range
Estimated Weight
Per Linear Foot
(1/2″ x 36″)
Specification
501/4 – 136×36
48×48
2700480-40°F to +220°F10.15 lbAASHTO Grade 3 Neoprene
601/4 – 136×36
48×48
2650380-40°F to +220°F10.31 lbAASHTO Grade 3 Neoprene
701/4 – 136×36
48×48
2650320-40°F to +220°F10.39 lbAASHTO Grade 2 Neoprene
ASTM Test
Method
PropertyDurometer Hardness
50 (Shore A ± 5)
50-E-0979
Durometer Hardness
60 (Shore A ± 5)
60-E-0986
Durometer Hardness
70 (Shore A ± 5)
70-E-0869
ASTM D 573
Heat Resistance
Change in durometer hardness,max. points151515
Change in tensile, max. %-15-15-15
Change in ultimate elongation, max. %-40-40-40
ASTM D 395
Compression Set
22 hours at 212°F, max. %353535
ASTM D 1149
Ozone
100 pphm ozone in air by volume,
20% strain, 100°F ± 2°F 100 hours
mounting procedure D518,
Procedure A
no cracksno cracksno cracks
ASTM D 746
Low Temperature
Brittleness
Grade 3 at -40°Fno failureno failureno failure
ASTM D 1043
Instantaneous
Thermal Stiffening
Grade 3 at -40°FStiffness at test time shall not exceed 4 times the stiffness measured at 73°F
Low Temperature
Crystallization
Quad Shear Test
Grade 3
14 days at -15°F
Stiffness at test time and temperature shall not exceed
4 times the stiffness measured at 73°F with no time delay

 

Anti-fatique Comfort Rubber Mats

Honeycombed air cells provide resilience and long-lasting foot and leg comfort while decreasing back fatigue to increase productivity and wellness.

Features: An interlocked, cushioned mat with a beveled edge design approximately 7/16″ thick with an underside constructed of numerous square honeycombed air cells to provide flexibility, resilience, foot comfort, prevent body fatigue, increase productivity and reduce tool and glass breakage.

Applications: Airports, Banks, Barber Shops, Beauty Salons, Hospitals, Hotels, Kitchens, Libraries, Post Offices, Restaurants, Retail & Department Stores, Schools, Supermarkets, and most anywhere people are standing for extended periods of time.

Specifications:

TypeInterlocking
Edges
Dimensions
(inches)
Thickness
(inches)
Approx.
Weight
Single Matnone28″ x 36″7/16″9.17 lb
Interlocking End128″ x 36″7/16″9.17 lb
Interlocking Center228″ x 36″7/16″9.17 lb

 

Super Heavy-Duty Rubber Door Mats

Designed to maintain cleanliness, protect and extend flooring life, these mats are perfectly suited for outdoor and indoor entrances. Prevents tracking by cleaning and scraping shoe soles of dirt, sand, grit, mud and snow in retail establishments and homes, reducing costs on floor and carpet maintenance.

Features:

  • All weather high performance mat made in USA
  • Super Heavy Duty and easy to clean
  • Full 3/16″ thickness provides more flexibility and longer wear
  • Longitudinal skid-resistant ribs on the reverse side allow for proper drainage and help prevent mat movement
  • Beveled edges on all four sides enhance safety while trapping dirt and other elements

Specifications:

SizeDimensions (inches)Thickness (inches)ColorApprox.
Weight / Mat
Small24×325/8″Black11 lb
Medium32×395/8″Black19 lb
Large36×725/8″Black42 lb

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