Superior Temperature Resistance (-80°F to +450°F) • Water Resistant • Excellent Chemical Resistances (Acids, Oxidizing Chemicals , Ammonia)

Silicone Rubber Solutions

WARCO’s silicone rubber products are engineered for high-temperature and demanding industrial applications. Our silicone rubber sheeting delivers excellent chemical resistance, flexibility, and durability. Choose from silicone rubber sheets and comprehensive silicone rubber supplies that meet rigorous performance standards and provide outstanding silicone rubber temperature ratings.

Select any of these drop down options to learn more about Silicone Rubber. Our team has organized lists of key properties relating to the rubber products which use the silicone polymer. We encourage you to select through these lists and advise that you reach out to us directly for any questions so we can direct you to our technical team.

General Information

Common Name:
SIlicone

Chemical Name:
Polysilixane

Generally Resistant To:
Acid, Weather, Water, Sunlight, Ozone, Oxidation and Staining

Generally Attacked By:
Hydrocarbons, Ketones, Solvents, Impact and Abrasion

ASTM D 2000 / SAE J200 Classification:
FE, GE

MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification:
TA

ASTM D-1418 Designation:
Q

Elongation:
100% to 900%

Hardness Range (Durometer Shore A):
30 to 90

Compression Set:
Good

Rebound Rating:
Good to Excellent

Flex Cracking Resistance:
Poor to Excellent

Abrasion Resistance:
Poor to Fair

Tear Resistance:
Poor

Impact Resistance:
Poor to Fair

Flame Resistance:
Good to Excellent

Minimum Service Temperature:
-80°F to -180°F

Maximum Service Temperature:
+550°F

Recommended Shelf Life:
20 years

Weather Resistance:
Excellent

Sunlight Resistance:
Excellent

Ozone Resistance:
Excellent to Outstanding

Oxidization Resistance:
Excellent

Water Resistance:
Excellent

Steam Resistance:
Fair to Good

Gas Permeability:
Poor to Fair

Radiation Resistance:

Good, 7 x 104 Ga Gy

Poor, 2 x 105 Ga Gy

Acetone:
Minor to Moderate Effect

Amonium Hydroxide:
RECOMMENDED: Little or Minor Effect

Animal Fats:
Minor to Moderate Effect

Carbon Dioxide:
RECOMMENDED: Little or Minor Effect

Chlorine:
DRY: – – –
WET: – – –

Fluorine (Liquid):
NOT RECOMMENDED

Fuel Oil:
NOT RECOMMENDED

Gasoline:
NOT RECOMMENDED

Hydrochloric Acid 37%:
HOT: NOT RECOMMENDED
COLD: Minor to Moderate Effect

Hydrochloric Acid Concentrate 37%:
HOT: NOT RECOMMENDED
COLD: NOT RECOMMENDED

Kerosene:
NOT RECOMMENDED

Methyl Ethyl Ketone:
– – –

Mineral Oil:
Minor to Moderate Effect

Naptha:
NOT RECOMMENDED

Natural Gas:
RECOMMENDED: Little or Minor Effect

Nitric Acid:
Concentrate: NOT RECOMMENDED
Dillute: Minor to Moderate Effect
Red Fuming: NOT RECOMMENDED

Petroleum:
Below 250: Minor to Moderate Effect
Above 250: NOT RECOMMENDED

Phosphoric Acid:
20%: – – –
45%: NOT RECOMMENDED

Propane:
– – –

Salt Water:
– – –

Skydrol:
Skydrol 500: Moderate to Severe Effect
Skydrol 7000: Minor to Moderate Effect

Sodium Hydroxide:
Minor to Moderate Effect

Sulfuric Acid:
Concentrate: NOT RECOMMENDED
Dillute: NOT RECOMMENDED
20% Oleum: NOT RECOMMENDED

Toluene:
NOT RECOMMENDED

Transformer Oil:
Minor to Moderate Effect

Vegetable Oils:
RECOMMENDED: Little or Minor Effect

Vinegar:
RECOMMENDED: Little or Minor Effect

  • Actual shelf life could vary dramatically based on storage conditions
  • Store in a cool, dry place with temperature below 75°F
  • Keep away from direct heat or open flames
  • Avoid contact with solvents or other fluids
  • Do not store in direct sunlight
  • Keep products wrapped or sealed to minimize the absorption of moisture
  • Store in a relaxed condition free from tension, compression or other deformation

See Rubber Storage Conditions for more information about how to properly store your rubber products

Benefits of Silicone Rubber

  • High Temperature Rating: Withstands extreme heat for reliable operation.
  • Excellent Chemical Resistance: Resists harsh chemicals and corrosive agents.
  • Superior Flexibility: Maintains consistent performance even under mechanical stress.
  • Outstanding Durability: Offers long-lasting service in challenging environments.
  • Superior Weatherability: Performs well under varying environmental conditions.
  • Electrical Insulation: Provides excellent dielectric properties.
  • Customizable Formulations: Tailored silicone rubber products to match your specific needs.

Our Silicone Rubber Products are available below in Commercial & Spec Grades or as a specialty product.
Each product can be customized to meet your application, such as meeting your specifications, physical properties, & various material aspects.

Applications of Silicone Rubber

  • High-temperature gaskets, seals, and o-rings


  • Electrical insulation components and connectors
  • Automotive and aerospace parts requiring robust thermal performance
  • Medical devices and food-grade applications
  • Chemical processing equipment
  • Custom molded parts for diverse industrial uses
  • Situations where a comparison of silicone rubber vs. other rubbers shows a performance advantage

Commercial Grade Silicone Rubber

INFINISIL™ Performance Silicone

Durometer: 40 to 80 Temperature Range: -65°F to +400°F
Primary Features: High & Low Temperature Resistance, Excellent Weathering Resistance

Specification Grade Silicone Rubber

INFINISIL™ Spec-Grade Performance Silicone

Durometer: 40 to 70 Temperature Range: -80°F to +450°F
Specs: A-A-59588 2A & 2B, AMS 3301, ASTM D 2000 M1GE

Specialty Silicone Rubber

INFINISIL™ Fiberglass Inserted Silicone

Durometer: 40 to 80 Temperature Range: -80°F to +450°F
Primary Feature: Made in the USA

INFINISIL™ FDA Performance Silicone

Durometer: 40 to 80 Temperature Range: -80°F to +450°F
Specs: FDA Approved Ingredients per 21 CFR 177.2600

Compound Number, Durometer and Material Type
020S1643 – 20 Durometer Silicone 020S1668 – 20 Durometer Silicone 025S1653 – 25 Durometer Silicone 025S1792 – 25 Durometer Silicone 025S1826 – 25 Durometer Silicone
030S1630 – 30 Durometer Silicone 030S1656 – 30 Durometer Silicone 030S1664 – 30 Durometer Silicone 030S1666 – 30 Durometer Silicone 030S1702 – 30 Durometer Silicone
030S1716 – 30 Durometer Silicone 030S1721 – 30 Durometer Silicone 030S1745 – 30 Durometer Silicone 030S1752 – 30 Durometer Silicone 030S1788 – 30 Durometer Silicone
030S1812 – 30 Durometer Silicone 030S1814 – 30 Durometer Silicone 030S1824 – 30 Durometer Silicone 030S1825 – 30 Durometer Silicone 030S1829 – 30 Durometer Silicone
030S9999 – 30 Durometer Silicone 035S1621 – 35 Durometer Silicone 035S1629 – 35 Durometer Silicone 035S1672 – 35 Durometer Silicone 035S1690 – 35 Durometer Silicone
040S1178 – 40 Durometer Silicone 040S1617 – 40 Durometer Silicone 040S1618 – 40 Durometer Silicone 040S1619 – 40 Durometer Silicone 040S1631 – 40 Durometer Silicone
040S1681 – 40 Durometer Silicone 040S1685 – 40 Durometer Silicone 040S1686 – 40 Durometer Silicone 040S1698 – 40 Durometer Silicone 040S1707 – 40 Durometer Silicone
040S1708 – 40 Durometer Silicone 040S1712 – 40 Durometer Silicone 040S1719 – 40 Durometer Silicone 040S1727 – 40 Durometer Silicone 040S1742 – 40 Durometer Silicone
040S1744 – 40 Durometer Silicone 040S1754 – 40 Durometer Silicone 040S1782 – 40 Durometer Silicone 040S1787 – 40 Durometer Silicone 040S1790 – 40 Durometer Silicone
040S1793 – 40 Durometer Silicone 040S1798 – 40 Durometer Silicone 040S1806 – 40 Durometer Silicone 040S1809 – 40 Durometer Silicone 040S1813 – 40 Durometer Silicone
040S1817 – 40 Durometer Silicone 040S1831 – 40 Durometer Silicone 040S1841 – 40 Durometer Silicone 040S1842 – 40 Durometer Silicone 040S1847 – 40 Durometer Silicone
045S1657 – 45 Durometer Silicone 045S1683 – 45 Durometer Silicone 045S1762 – 45 Durometer Silicone 050S1624 – 50 Durometer Silicone 050S1633 – 50 Durometer Silicone
050S1635 – 50 Durometer Silicone 050S1639 – 50 Durometer Silicone 050S1650 – 50 Durometer Silicone 050S1651 – 50 Durometer Silicone 050S1655 – 50 Durometer Silicone
050S1659 – 50 Durometer Silicone 050S1661 – 50 Durometer Silicone 050S1663 – 50 Durometer Silicone 050S1665 – 50 Durometer Silicone 050S1667 – 50 Durometer Silicone
050S1674 – 50 Durometer Silicone 050S1676 – 50 Durometer Silicone 050S1678 – 50 Durometer Silicone 050S1679 – 50 Durometer Silicone 050S1680 – 50 Durometer Silicone
050S1682 – 50 Durometer Silicone 050S1684 – 50 Durometer Silicone 050S1696 – 50 Durometer Silicone 050S1703 – 50 Durometer Silicone 050S1718 – 50 Durometer Silicone
050S1723 – 50 Durometer Silicone 050S1728 – 50 Durometer Silicone 050S1731 – 50 Durometer Silicone 050S1733 – 50 Durometer Silicone 050S1737 – 50 Durometer Silicone
050S1738 – 50 Durometer Silicone 050S1743 – 50 Durometer Silicone 050S1747 – 50 Durometer Silicone 050S1748 – 50 Durometer Silicone 050S1749 – 50 Durometer Silicone
050S1750 – 50 Durometer Silicone 050S1751 – 50 Durometer Silicone 050S1756 – 50 Durometer Silicone 050S1765 – 50 Durometer Silicone 050S1766 – 50 Durometer Silicone
050S1767 – 50 Durometer Silicone 050S1768 – 50 Durometer Silicone 050S1783 – 50 Durometer Silicone 050S1791 – 50 Durometer Silicone 050S1794 – 50 Durometer Silicone
050S1795 – 50 Durometer Silicone 050S1796 – 50 Durometer Silicone 050S1803 – 50 Durometer Silicone 050S1805 – 50 Durometer Silicone 050S1811 – 50 Durometer Silicone
050S1815 – 50 Durometer Silicone 050S1820 – 50 Durometer Silicone 050S1822 – 50 Durometer Silicone 050S1823 – 50 Durometer Silicone 050S1833 – 50 Durometer Silicone
050S1836 – 50 Durometer Silicone 050S1844 – 50 Durometer Silicone 050S1845 – 50 Durometer Silicone 050S1848 – 50 Durometer Silicone 050S1852 – 50 Durometer Silicone
050S1853 – 50 Durometer Silicone 055S1669 – 55 Durometer Silicone 055S1675 – 55 Durometer Silicone 055S1687 – 55 Durometer Silicone 055S1692 – 55 Durometer Silicone
055S1695 – 55 Durometer Silicone 055S1743 – 55 Durometer Silicone 055S1828 – 55 Durometer Silicone 055S1834 – 55 Durometer Silicone 055S1835 – 55 Durometer Silicone
055S1837 – 55 Durometer Silicone 055S1840 – 55 Durometer Silicone 055S1843 – 55 Durometer Silicone 060S1071 – 60 Durometer Silicone 060S1622 – 60 Durometer Silicone
060S1623 – 60 Durometer Silicone 060S1625 – 60 Durometer Silicone 060S1626 – 60 Durometer Silicone 060S1627 – 60 Durometer Silicone 060S1632 – 60 Durometer Silicone
060S1634 – 60 Durometer Silicone 060S1636 – 60 Durometer Silicone 060S1640 – 60 Durometer Silicone 060S1644 – 60 Durometer Silicone 060S1649 – 60 Durometer Silicone
060S1654 – 60 Durometer Silicone 060S1670 – 60 Durometer Silicone 060S1671 – 60 Durometer Silicone 060S1673 – 60 Durometer Silicone 060S1689 – 60 Durometer Silicone
060S1691 – 60 Durometer Silicone 060S1693 – 60 Durometer Silicone 060S1694 – 60 Durometer Silicone 060S1697 – 60 Durometer Silicone 060S1701 – 60 Durometer Silicone
060S1710 – 60 Durometer Silicone 060S1711 – 60 Durometer Silicone 060S1713 – 60 Durometer Silicone 060S1715 – 60 Durometer Silicone 060S1725 – 60 Durometer Silicone
060S1726 – 60 Durometer Silicone 060S1729 – 60 Durometer Silicone 060S1730 – 60 Durometer Silicone 060S1734 – 60 Durometer Silicone 060S1739 – 60 Durometer Silicone
060S1741 – 60 Durometer Silicone 060S1746 – 60 Durometer Silicone 060S1753 – 60 Durometer Silicone 060S1759 – 60 Durometer Silicone 060S1763 – 60 Durometer Silicone
060S1769 – 60 Durometer Silicone 060S1770 – 60 Durometer Silicone 060S1781 – 60 Durometer Silicone 060S1784 – 60 Durometer Silicone 060S1799 – 60 Durometer Silicone
060S1800 – 60 Durometer Silicone 060S1801 – 60 Durometer Silicone 060S1802 – 60 Durometer Silicone 060S1804 – 60 Durometer Silicone 060S1807 – 60 Durometer Silicone
060S1832 – 60 Durometer Silicone 060S1838 – 60 Durometer Silicone 060S1849 – 60 Durometer Silicone 060S1850 – 60 Durometer Silicone 060S1851 – 60 Durometer Silicone
065S1645 – 65 Durometer Silicone 065S1714 – 65 Durometer Silicone 065S1715 – 65 Durometer Silicone 065S1818 – 65 Durometer Silicone 065S1819 – 65 Durometer Silicone
065S1821 – 65 Durometer Silicone 070S1620 – 70 Durometer Silicone 070S1628 – 70 Durometer Silicone 070S1637 – 70 Durometer Silicone 070S1638 – 70 Durometer Silicone
070S1646 – 70 Durometer Silicone 070S1647 – 70 Durometer Silicone 070S1662 – 70 Durometer Silicone 070S1688 – 70 Durometer Silicone 070S1699 – 70 Durometer Silicone
070S1700 – 70 Durometer Silicone 070S1704 – 70 Durometer Silicone 070S1705 – 70 Durometer Silicone 070S1706 – 70 Durometer Silicone 070S1709 – 70 Durometer Silicone
070S1717 – 70 Durometer Silicone 070S1722 – 70 Durometer Silicone 070S1726 – 70 Durometer Silicone 070S1735 – 70 Durometer Silicone 070S1736 – 70 Durometer Silicone
070S1740 – 70 Durometer Silicone 070S1755 – 70 Durometer Silicone 070S1764 – 70 Durometer Silicone 070S1785 – 70 Durometer Silicone 070S1789 – 70 Durometer Silicone
070S1808 – 70 Durometer Silicone 070S1810 – 70 Durometer Silicone 070S1816 – 70 Durometer Silicone 070S1827 – 70 Durometer Silicone 075S1641 – 75 Durometer Silicone
075S1660 – 75 Durometer Silicone 075S1732 – 75 Durometer Silicone 075S1830 – 75 Durometer Silicone 075S1854 – 75 Durometer Silicone 080S1658 – 80 Durometer Silicone
080S1720 – 80 Durometer Silicone 080S1761 – 80 Durometer Silicone 080S1786 – 80 Durometer Silicone 080S1797 – 80 Durometer Silicone 080S1846 – 80 Durometer Silicone
085S1677 – 85 Durometer Silicone 085S1724 – 85 Durometer Silicone

Data presented here was gathered from several sources including Uniroyal Chemical Company, Inc., The Los Angeles Rubber Group, Inc., and Compass Publications

Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control.

View complete Terms & Conditions of Sale for suitability of use and formulations