MRP-MDI Rubber Solutions Pvt Ltd is a joint venture project between MRP AutoRub Pvt. Ltd., India and Molded Dimensions Inc., USA. They are the manufacturers of automotive rubber molded components like O Rings, Rubber Pad and has become the specialist and market leader in manufacturing Valve Stem Seals, Engine Mountings, Air Intake Hoses, Radiator Hoses and High Temperature application Silicone Hoses and various other types of Rubber Components.
Their product range includes:
Engine Mountings & Rubber to Metal Bonded Components
Seal Moulded Rubber Components & Bellows
Valve Stem Seal
Bellows
Moulded Components
Gasket Seals
Marine Impeller Parts
Medical Parts
Pump Parts
Pump Parts with Seals
Rollers
Rubber Parts
Seals Red
Squeeze blades
Tubes
Urethan Parts
Value Added Parts
The following is a brief overview of the properties and applications of the most common type of each basic material.
Natural Rubber
Natural rubber is among the strongest, yet lowest cost, of all of the members of the rubber family. Possessing excellent dynamic and resistance to fatigue properties, it is still a highly utilized material. However, it has limited resistance to oils and environmental factors such as Ozone, and has been replaced by synthetic rubbers for many applications. It still has applicability for applications such as bellows, boots, bumpers, bushings, shock mounts, and wear pads.
Fluorocarbons
Originally developed in the 50’s, and destined for use in many aerospace applications, Fluorocarbons provide outstanding resistance to high heat, and a wide variety of oils, fuels, acids, and solvents. With poor resistance to tear and cut growth, and because of its high price, fluorocarbon is generally used only in static applications requiring excellent stability under extremely severe operating conditions. Applications include compression seals, diaphragms, gears, head gaskets, piston cups, seals, and valve liners.
EPDM
EPDM has a set of physical properties that make it suitable for a wide range of applications, but especially outdoor and other applications that require good heat, ozone, and water resistance. Its limitations are in applications that require resistance to oil and hydrocarbons. Typical applications include food processing, gaskets, grommets, oxygenated solvents, and seals.
Neoprene
Neoprene was one of the first synthetic rubbers developed. It adheres very well to fabrics and metals and has outstanding toughness and resistance to damage caused by flexing and twisting. The basic chemical composition is polychloroprene which then can be modified with other chemicals to yield a family of products with a fairly broad range of chemical and physical properties. Typical applications include bushings, gaskets, grips, grommets, and hoses.
Nitrile
Nitrile rubber in many applications becomes an economic substitute for neoprene, and does have better resistance to oil and gasoline. However, it has poorer resistance to ozone, sunlight, and natural aging. Properties of Nitrile can be modified for particular applications by varying the ratios of acrylonitrate and butadiene, and by the addition of polyvinyl chloride resins. Typical applications include bushings, diaphragms, fuel lines, grommets, hoses, rollers – carboxylated, and seals.
Butyl
Butyl is chemically unlike natural rubber or other synthetic elastomer in that it is inherently resistant to ozone and corrosive chemicals, including some mineral acids, ketones, and phosphate-ester type hydraulic fluids. Limitations relate to creep, cold flow, and compression set. Typical of appropriate applications are bladders and dampeners.
Silicone
Silicone rubber is a unique synthetic elastomer made from a cross-linked polymer which is reinforced with silica.Its most outstanding feature is its ability to retain rubbery properties through extremes in temperature. It is the most heat resistant elastomer in the market today and the most flexible at low temperatures. Because silicone is relatively expensive, it is not normally used unless extreme temperature resistance (-150 to 500F) is essential. Typical applications include diaphragms, high rollers, medical and food applications, seals, and temp.
Styrene Butadiene
SBR is much like natural rubber in most of its properties and is the lowest cost and highest volume elastomer available. Although its physical properties are slightly poorer than natural rubber, SBR is tougher and slightly more resistant to heat and flex cracking and can be readily substituted for natural rubber in many applications with significant cost savings. Typical applications include boots, bumpers, foot pads, grommets, and wheels.
Hydrin
Hydrin (Epichlorohydrin) is a specialty polyether elastomer that appears to possess a combination of many desirable properties of nitrile and neoprene. On the negative side, its adhesion to fabrics and metals is much inferior to neoprene. Different polymer combinations are possible to on those adhesion properties as well as create improved physical and chemical resistance properties. Typical applications include air tubes, boots, fuel lines, primer bulbs, and seals.
MRP-MDI Rubber Solutions Pvt Manufacturers of automotive rubber molded components
DP-114, SIDCO Industrial Estate,
Kakkalur, Thiruvallur District – 602003.
Phone : +91 44 2766 0029
Fax : +91 44 2766 3029
mrp_autorub@yahoo.com
https://www.mrp-mdi.com/index.html
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