Colorful Silicone Molded Rubber Diaphragm Food Grade Wear Resistance Rubber Parts

Rubber diaphragms have a wide range of applications, but are most often used in environments where pressure differentials are present. With low fluid permeability and the ability to flex from side to side, rubber diaphragms act as a sealing solution while providing a consistent pressure differential.

Elastomers, and rubber in particular, are a great material to use for diaphragms due to their elastic properties. Rubber diaphragms allow for a wide range of pressure differentials while remaining durable and flexible.

Rubber diaphragms are commonly made with rubber materials like

• EPDM

EPDM:Ethylene-Propylene / EPDM O-Rings: Ethylene propylene rubber is an elastomer prepared from ethylene and propylene monomers (ethylene propylene copolymer). Our stock O-Ring compoundare made with an amount of a third (diene) monomer (ethylene propylene diene terpolymers). Ethylenepropylene-diene rubber (EPDM) produced using a third monomer and is particularly useful when sealing phosphate-ester hydraulic fluids and in brake systems that use fluids having a glycol base. EPDM has outstanding resistance to heat, water and steam, alkali, mild acidic and oxygenated solvents, ozone, and sunlight; but it is not recommended for gasoline, petroleum oil and grease, and hydrocarbon environments. This popular rubber compound is usually the first choice for low torque drive belt applications.

• Nitrile (NBR)

NBR is mainly used to manufacture oil resistant rubber products. Acrylonitrile content in nitrile butadiene rubber (%) has 42 ~ 46, 36 ~ 41, 31 ~ 35, 25 ~ 30, 18 ~ 24 and other five kinds. The more acrylonitrile content, the better oil resistance, but cold resistance is decreased. It can be used in 120℃ air or 150℃ oil for a long time. In addition, it also has good water resistance, air tightness and excellent bonding properties. It is widely used to produce all kinds of oil-resistant rubber products, a variety of oil-resistant gaskets, gaskets, bushing, flexible packaging, flexible hose, printing and dyeing roller, cable adhesive materials, etc. It has become an indispensable elastic material in automobile, aviation, petroleum, photocopying and other industries.

• Silicone

Silicone:The term silicone covers a large group of materials in which vinyl-methyl-silicone (VMQ) is often the central ingredient. Silicone elastomers as a group have relatively low tensile strength, poor tear and wear resistance. However, they have many useful properties as well. Silicone has a good heat resistance, good cold flexibility, and good ozone and weather resistance as well as good insulating and physiologically neutral properties.

• Neoprene
• Natural Rubber

Diaphragms made only of rubber are called homogeneous rubber diaphragms. In this case, the diaphragms are typically compression molded because they’re so thin. It’s difficult to make a thin, flexible membrane through injection molding or transfer molding.

ce and technology , require a large number of rubber parts .