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Material Properties

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NR - Natural Rubber

Milk-white liquid in the bark of rubber tree is named as "Latex". Rubber is obtained from 30-40% part of the collected liquid. Natural rubber's structure becomes smoothed under load and tension. Natural rubber has a regular structure. Even if there is no strengthening filling materials in its structure, tensile strength values are high.

Operation Temperature: -60°C / +90°C

Physical Properties:

  • High Tensile Strength
  • High Tear Strength
  • High Raw Rubber Resistance
  • Superior Elasticity Property
  • Superior Dynamic Properties
  • High Permanent Deformation Values

Usage Environments:

  • Watery Environments in Temperatures Which Are Not High
  • Glycol Based Oils

Usage Fields:

  • Mechanical Parts
  • Vibration and Impact Damping Parts
  • Bushings
  • Vibration Damping Connections
  • Parts for Motors
  • Shoe Sole
  • Hoses
  • Conveyor Bants
  • Ground Coating
  • Sponge
  • Glues

SBR - Styrene Butadiene Rubber

It is the low-cost rubber type which is most used worldwide. Structure of the mixture is irreguar. Can be used instead of natural rubber.

Operation Temperature: -50°C / +100°C

Physical Properties:

  • Easy to Process
  • Operation Time is Short
  • Suitable for Extrusion
  • Poor Elasticity Property
  • High Abrasion Properties
  • High Aging Properties

Usage Environments:

  • Solvent Chemicals
  • Glycol Based Brake Oils
  • Bases

Usage Fields:

  • Wehicle Tyres
  • Light-Colored Technical Parts
  • Extrusion Materials
  • Cable and Electricity Materials
  • Brake and Clutch Pads
  • Transparent Bands
  • Adhesive
  • Dynamic Parts (V Belts)

EPDM - Ethylene Propylene Diene Rubber

Resistance to heat, light and oxidation is perfect. It is used in production of lightweight materials as it has low density. Gives the possibility to make cost effective mixtures. Can be used in extrusion. Resistant to aging at heat . Flexibility at low temperature is good.

Operation Temperature: -40°C / +150°C

Usage Environments:

  • Watery and Concentrated Acids
  • Alkalis
  • Phosphate Ester-Based Flame Proof Hydraulic Liquids
  • Liquids Silicone
  • Warm Water and Steam

Usage Fields:

  • Insulation Materials for High Voltage Cables
  • Doors and Glass Sealing Parts
  • Radiator and Heating Hoses
  • Bellows and Gaskests for White Goods and Automotive
  • Conveyor Belts
  • Tank Undercoat Coating (for Water and Chemical Storages)

NBR - Nitril Rubber

Created as the result of mixing acrylonitrile and butadiene monomers with the help of additives. Acrylonitrile rate in the mixture determines the material properties. Generally, acrylonitrile rate in the mixture changes between 18% and 50%. Acrylonitrile, gives the mixture polar property and prevents dissolution against hydrocarbons.

As the acrylonitrile rate in the mixture increases, below mentioned properties are improved: Density, Hardness, Burning speed, Mixture processability, Mechanical properties, Elasticity, Permanent continuance, Aging, Resistance to fatigue, Abrasion resistance, Life values.

As the acrylonitrile rate in the mixture increases, Material's resistance increases against the following materials: Oils, Fuels, Lubricant materials, Greases, Gases. As the acrylonitrile rate in the mixture reduces, below mentioned properties worsen. Resistance of material at low temperatures, Permanent deformation values, Elasticity, Production conditions.

Operation Temperature: -40°C / +100°C

Usage Fields:

  • Sealing Elements
  • Coupling, Membrane, Fuel, Oil and Hydrolic Hoses
  • Pneumatic Hoses
  • Connection Elements
  • Conveyor Belts
  • Cylinder Coating
  • Worker Clothes and Boots
  • Rubber Cliche and Stamps

VMQ - Silicon Rubber

On contrary to polymer rubbers, it consists of Silicium and Oxygen bond systems. Although the strengths between the bonds are weak, it has a stabile structure. Occured bond structures are expressed with "Q" letter. Their namings show variety, according to the auxiliary material used during the preparation. Silicone Rubber Mixture; If prepared by using Methyl (CH-Saturated Hydrocarbon)-MQ, If prepared by using Methyl Vinyl (Saturated and Unsaturated Hydrocarbon)-VMQ, If prepared by using Phenyl Methyl (Organic Hydrocarbon and Saturated Hydrocarbon)-PMQ letters are used to express.

Operation Temperature: -50°C / +200°C

Usage Environments:

  • Strong Resistance to Ultraviolet Light Outstanding Ozone Resistance
  • Resistant to External Influences
  • Air and Moisture Resistant
  • Good Insulation Properties
  • Fire Resistant
  • Resistant to Aging
  • Long Life
  • Durable Underground
  • Can Be Produced Transparently
  • Elasticity Property is Very Good
  • Easily Paintable
  • Not Poisonous
  • Physiologically Harmless
  • An Expensive Material

Usage Fields:

  • Cable, Cable Ends, Insulators and Buttons Spark Plug Cables and Caps
  • Radiator Hoses and Sealing Elements
  • Insulated Diaphrams for Brakes
  • Baby Pacifiers
  • Gas Masks
  • Impermeability Gaskets for Oven Systems
  • Impermeability Gaskets for Cooler Cupboards
  • Impermeability Gaskets for Ozone Systems

FKM - Fluoro Elastomer Rubber

Polar and saturation properties are superior. Resistant to high temperatures. Inflation property is low. Resistant to burning. Flame proof. Gas impermeability is low. Processing is hard. An expensive rubber material. Contact with food materials is not suitable. Resistant to oxygen and ozone.

Operation Temperature: -30°C / +250°C

Usage Environments:

  • Aromatic Hydrocarbons
  • Fuels
  • Oils
  • Greases
  • Acids
  • Petroleum Oils
  • Solvents

Usage Fields:

  • Aviation and Space Industry
  • Automotive Industry
  • Cylinder Coating

HNBR - Hydrogene Nitrile Rubber

HNBR, showing great resistance to engine oil, acidic gases, aminic oils, oxidized fuels and machine greases, provides us a high tensile strength if required, during the high-temperature working conditions of NBR, EPDM and FKM. Fully saturated NBR can build cross-links with peroxides. Those peroxide cross-links that are formed along the double-bonding, raise thermal stability and oxidation balance. Vulcanisate Compounds provide the highest resistance to hot air and hot oil, oxidatives and ozone separation, sulphurios oils, including hydrogenated sulphide, oil additives including nitrogene and sulphur and industrial chemicals. HNBR is known for its high physical strength and advanced tear resistance.

Operation Temperature: -30°C / +150°C

ACM - Polyacrylic Rubber

ACM is a copolymerization of acrylic esters and monomers. The acrylic esters used in ACM are ethyl acrylates and/or butyl and oktyl acrylate, ethyl methoxi, or ethyloxi acrylates. These copolymeres are highly resistant to oil, heat, aging and ozone. Tensile strength of Acrylic rubbers are not as good as NR and NBR. Especially new generation ACMs can work at 150-1600C around 1000 hours. But, at high temperatures they tend to soften. ACM Vulcanisates are more resistant to expansion when exposed to animal fat, vegetable oil and mineral oil, then other rubber compounds except FKM, which decreases as temperature rises. ACM does not well with chemicals. Dry working conditions are bad, and not suitable for working under low temperatures and in water. More then 90% of ACM Manufacture are used in automotive industry. It is used usually in crankhafts, automatic and differential transmissions as shaft rubber and also in o-rings, valves and oil hoses. Its high price usually shadows its other properties and mostly FKM(Fluoroelastomers) is preferred instead.

Operation Temperature: +160°C / +170°C

CR - Chloroprene Rubber

Polar properties are good. It is very resistant to oil and burning. It has low gas permeability. Adhesion to textile and metal materials is strong. Wear resistance is very good. It has superior mechanical properties.

Operation Temperature: -20°C / +120°C

Physical Properties:

  • Resistant to oils
  • Resistant to air and ozone
  • Resistant to water
  • Resistant to chemicals
  • Resistant to acids

Usage Fields:

  • Parts with risk of burning
  • V straps
  • Rubber bellows
  • Vibration damping elements
  • Diving suits
  • High-pressure hydraulic and brake hoses
  • Containers

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