DESCRIPTION ASTM 1418 ISO/DIN 1629 Page. SBR Styrene Butadiene Rubber SBR SBR 6. NR Natural Rubber NR NR 6

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Aileen Kristina Fisher
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The application of these elastomers depends on its chemical and thermal resistance for use in a wide range of services. The most widely used application is on pipes to seal water, acids, oils, etc.

1 CALVOSEALING Plancha Rubber Sheet de caucho Elastomer: CALVOSEALING offers a wide range of rubbers for use in general industry. Our company is able to offer 10 types of elastomers where each one offering its quality and guarantees a reliable and durable seal. The application of these elastomers depends on its chemical and thermal resistance for use in a wide range of services. The most widely used application is on pipes to seal water, acids, oils, etc. DESCRIPTION ASTM 1418 ISO/DIN 1629 Page SBR Styrene Butadiene Rubber SBR SBR 6 NR Natural Rubber NR NR 6 Neopreno Chloroprene Rubber CR CR 7 NBR Acrylonitrile Butadiene Rubber NBR NBR 7 EPDM Ethylene Propylene Diene Rubber EPDM EPDM 8 IIR Butyl Rubber IIR IIR 8 HYPALON Chlorosulfonated Polyethylene Rubber CSM CSM 9 Silicona Silicone Rubber VMQ VMQ 9 VITON Fluorocarbon Rubber FKM FPM 10 KALREZ Perfluorinated Rubber FFKM FFPM 10 * HYPALON, VITON and KALREZ are trademarks registered by DUPONT DOW ELASTOMERS. 1

sides A textile insert options increases the resistance to tearing Standard textile and

2 Description: Hardness between 30 to 90 Shore A Smooth finish on both sides A smooth face and a cloth impression face Cloth impression on both sides Special finish on one or both sides A textile insert options increases the resistance to tearing Standard textile and metallic insert types: Polyester Polyester/ Nylon Nylon Cotton Glass Fibre Metallic (Steel or Brass) 2

3 Product dimensions: THICKNESS LENGTH 0.3 mm to 2 mm 20 m rolls 3 mm a 10 mm 10 m rolls 12 mm a 60 mm 5 m rolls 65 mm a 150 mm 2.2 m rolls WIDTH Standard: 1,200 mm 1,400 mm Especials widths: 1,500 mm 2,000 mm 3

4 Product properties: Rubber sheet SBR NR Neoprene NBR EPDM IIR HYPALON Silicone VITON KALREZ DESCRIPTION Styrene Butadiene Rubber Natural Rubber Chloroprene Rubber (CR) Nitrilic Rubber Ethylene Propylene Diene Rubber Butyl Rubber Chlorosulfonated Polyethylene Rubber (CSM) Silicone Rubber (MVQ) Fluorocarbon Rubber (FKM) Perfluorinated Rubber (FFKM) Tª RANGE -50ºC to 110ºC -50ºC to 90ºC -25ºC to 125ºC -30ºC to 120ºC -40ºC to 120ºC -40ºC to 135ºC -35ºC to140ºc -70ºC to 220ºC -30ºC to 250ºC -15ºC to 310ºC HARDNESS RANGE (SHORE A) PHYSICAL FLEXIBILITY Very Good Excellent Very Good Very Good Good Very Good Good Good Good Good TENSILE STRENGHT RESISTANCE Very Good Excellent Very Good Very Good Good Good Good Good Good Good TEAR RESISTANCE Good Very Good Very Good Good Good Good Fair Poor Good Good GAS IMPERMEABILITY Fair Very Good Good Good Fair Poor Good Excellent Fair Very Good AGEING RESISTANCE Good Good Very Good Good Excellent Very Good Very Good Excellent Excellent Excellent FLAME RESISTANCE Fair Fair Good Poor Good Poor Good Good Excellent Excellent ABRASION RESISTANCE Very Good Very Good Very Good Very Good Good Good Good Fair Fair Good CHEMICAL RESISTANCE TO OZONO/OXYGEN RESISTANCE TO PETROLEUM OILS AND FUELS RESISTANCE TO HIDRAULIC OILS AND GREASE Fair Fair Very Good Good Excellent Very Good Very Good Excellent Excellent Excellent Poor Poor Very Good Excellent Poor Poor Very Good Poor Excellent Excellent Poor Poor Very Good Excellent Poor Poor Very Good Good Excellent Excellent RESISTANT TO ACIDS Good Good Very Good Fair Excellent Very Good Very Good Poor Excellent Excellent ALKALI RESISTANCE Good Good Very Good Very Good Very Good Good Very Good Poor Excellent Excellent HOT WATER RESISTANCE Very Good Good Good Good Excellent Excellent Good Poor Very Good (150ºC) Excellent 4

325 300 KALREZ (FFKM) HEAT RESISTANCE SERIVICE TEMPERATURE (ºC) 275 250 225 200 175 150 125 100 70

5 RUBBER RESISTANCE The following graph shows the increase in volume of all Calvo Sealing s elastomers to attacked by oils KALREZ (FFKM) HEAT RESISTANCE SERIVICE TEMPERATURE (ºC) IIR SBR A No required EPDM NATURAL RUBBER NEOPRENE (CR) SILICONE (VMQ) C D E F G H J K B NBR VITON (FKM) % VOLUME INCREASE (ASTM nº3 70h) OIL RESISTANCE 5

SBR (Styrene butadiene rubber): Density 1.

ºF to 230 ºF) Similar properties to NR, improving properties such as ageing resistance and

Water, weak organic acids and moderate chemicals. NR (Natural Rubber): Beige Density 1.

ºF to 194 ºF) Excellent mechanical properties such as break strength, resilience and tear

6 SBR (Styrene butadiene rubber): Density 1.6 g/cm 3 Hardness (Shore A) 65 º Elongation 400 % Tensile Strenght 8 N/mm 2-50 ºC to 110 ºC (-58 ºF to 230 ºF) Similar properties to NR, improving properties such as ageing resistance and temperature resistance. Moderate resistance to tearing, ozone and weathering. Water, weak organic acids and moderate chemicals. NR (Natural Rubber): Beige Density 1.1 g/cm 3 Hardness (Shore A) 45 º Elongation 625 % Tensile Strenght 19 N/mm 2-50 ºC to 90 ºC (-58 ºF to 194 ºF) Excellent mechanical properties such as break strength, resilience and tear resistance. Excellent electrical insulating properties. High impact strength, excellent dynamic properties and low residual deformation. Resistant to oils, fuels and moderate acids and alkalis. 6

Neoprene CR (Chloroprene rubber): Density 1.37 g/cm 3 Hardness (Shore A) 50 º Elongation 300 % Tensile Strenght 8 N/mm 2 High mechanical properties and resistance to abrasion.

7 Neoprene CR (Chloroprene rubber): Density 1.37 g/cm 3 Hardness (Shore A) 50 º Elongation 300 % Tensile Strenght 8 N/mm 2 High mechanical properties and resistance to abrasion. Self-extinguishing and good adhesion to metal. Oils, fuels and moderate acids and alkalis. Weather and ozone resistant. -25 ºC to 125 ºC (-13 ºF to 257 ºF) NBR (Nitrilic rubber): Density 1.5 g/cm 3 Hardness (Shore A) 70 º Elongation 400 % Tensile Strenght 6 N/mm 2-30 ºC to 120 ºC (-22 ºF to 248 ºF) Good mechanical properties such as tensile strength, compressive strength and bending. Moderate ageing resistance. Good adhesion to metal. Oils and solvents, aromatic and aliphatic hydrocarbons and alcohols and animal fats. 7

8 EPDM (Ethylene Propylene rubber): Density 1.5 g/cm 3 Hardness (Shore A) 70 º Elongation 500 % Tensile Strenght 7 N/mm 2-40 ºC to 120 ºC (-40 ºF to 248 ºF) Good mechanical properties and resistant to ageing, ozono and UV, oxygen, steam and water. Excellent electrical insulating properties. Hot water/steam and polar solvents such as acetone, methanol or esters. IIR ( Butyl rubber): Density 1.27 g/cm 3 Hardness (Shore A) 60 º Elongation 400 % Tensile Strenght 9 N/mm 2-40 ºC to 135 ºC (-40 ºF to 275 ºF) Impermeable to gas and air. Excellent resistance to oxidation and ozone. Low resilience, that provides outstanding impact damping capacity. Good electrical resistance. Where an excellent gas-tightness is required. Resistant to most chemicals, including mineral acids. It is not suitable for use with oils and hydrocarbonated solvents. 8

9 HYPALON (Chlorosulfonated polyethylene rubber): Density 1.36 g/cm 3 Hardness (Shore A) 60 º Elongation 225 % Tensile Strenght 8 N/mm 2-35 ºC to 140 ºC (-31 ºF to 284 ºF) Excellent resistante to oxidation, weathering and ozone. Good resistance to chudrocarbonated solvents. Flame resistant. Acids, oils and non-aromatic benzenes. Silicone rubber (VMQ): Translucent Density 1.16 g/cm 3 Hardness (Shore A) 60 º Elongation 225 % Tensile Strenght 8 N/mm 2-70 ºC to 220 ºC (-94 ºF to 428 ºF) Completely unalterable by ozone, weathering and ultraviolet radiation. Good electrical insulating properties. Physiologically inert, ideal for field of medicine applications. Where oils, water and ozone resistance is required. This material offers excellent properties to high and low temperatures. 9

VITON (Fluorocarbon Rubber) : Density 2.

resistance to temperature. Excellent resistance to acids and alkalis (even oxidisers) Weak resistance to esters and ketones.

Resistant to acids and alkalis, aliphatic, aromatic and chlorated hydrocarbons, oils and ozone.

10 VITON (Fluorocarbon Rubber) : Density 2.03 g/cm 3 Hardness (Shore A) 70 º Elongation 165 % Tensile Strenght 5 N/mm 2-30 ºC to 250 ºC (-22 ºF to 482 ºF) Exceptional resistance to temperature. Excellent resistance to acids and alkalis (even oxidisers) Weak resistance to esters and ketones. Excellent resistance to ozone and weathering. Resistant to acids and alkalis, aliphatic, aromatic and chlorated hydrocarbons, oils and ozone. KALREZ (Perfluorated rubber): Density 1.9 g/cm 3 Hardness (Shore A) 74 º Elongation 220 % Tensile Strenght 16 N/mm 2-15 ºC to 310 ºC (5 ºF to 590 ºF) Chemical resistance to almost all chemicals. Excellent thermal stability. Excellent elastic recovery and low compression set properties. Isolation valves. O-ring kit for mechanical seals. 10

11 Chemical Resistance Rubber sheet SBR NR NEOPRENO NBR EPDM IIR HYPALON SILICONA VITON KALREZ SBR NR NEOPRENO NBR EPDM IIR HYPALON SILICONA VITON KALREZ STEAM WATER - AIR - - ACETIC ACID (10%) ACETONE ACETYLENE ADIPIC ACID ALUMINIUM CHLORIDE AMMONIA AMMONIUM CHLORIDE AMMONIUM HY- DROXIDE (10%) ANILINE BENZENE BLEACH SOLU- TIONS BRINE BROMINE (ANHY- DROUS) - BUNKER FUEL - BUTANE BUTYL ALCOHOL (50ºC) CALCIUM CHLO- RIDE CALCIUM HY- DROXIDE CALCIUM HYPO- CHLORITE (15%) CARBON DIOXIDE CARBON TETRA- CHLORIDE CHLORYNE (DRY) CHLORYNE (WET) CHROMIC ACID (40%) CREOSOTE DIESEL OIL DIETHYL ETHER ETHANE ETHER - ETHANOL ETHYLENE ETHYLENE GLYCOL ETHYLENE OXIDE FERRIC CHLORIDE (WET) FORMALDEHYDE (40%) FORMIC ACID FREON 12 FREON 22 GLYCERINE HEAVY OILS HYDROBROMIC ACID (37%) HYDROCHLORIC ACID (37%) HYDROFLUORIC ACID (48%) - HYDROGEN PE- ROXIDE (<30%) HYDROGEN SUL- PHIDE (DRY) ISOBUTYL AL- COHOL ISOPROPYL AL- COHOL S.L. Recommended Recommended depends on operating conditions Not recommended 11 S.L.

12 Chemical Resistance Rubber sheet SBR NR NEOPRENO NBR EPDM IIR HYPALON SILICONA VITON KALREZ SBR NR NEOPRENO NBR EPDM IIR HYPALON SILICONA VITON KALREZ KEROSENE (70ºC) LIQUID PETRO- LEUM GAS LYE MAGNESIUM CHLORIDE SEA WATER SOAP SOLUTION SODIUM CARBO- NATE SODIUM DYCHRO- MATE (10%) METHANE METHANOL - METHYL CHLORIDE METHYL ETHYL KETONE METHYLENE CHLORIDE MINERAL OILS NAPHTHA NATURAL GAS NITRIC ACID (10%) NITROGEN OCTANE OLEUM OXALIC ACID OXYGEN SODIUM HYDROXI- DE (50%) SODIUM HYPO- CHLORITE (20%) STYRENE SULPHUR DIOXIDE (DRY) SULPHUR DIOXIDE (WET) - - SULPHUR TRIOXIDE SULPHURIC ACID (10%) TANNIC ACID TOLUENE TRANSFORMER OIL TRICHLOROETHA- NE TRICHLO- ROETHYLENE TURPENTINE PERCHLO- ROETHYLENE UREA SOLUTION (30%) PHENOLS - PHOSPHORIC ACID (50%) VINYL CHLORIDE - XYLENE POTASSIUM DI- CHROMATE (10%) POTASSIUM HY- DROXIDE (50%) POTASSIUM NITRATE PROPANE Recommended Recommended depends on operating conditions Not recommended PYRIDINE S.L. 12 S.L.

c/ Galileo 8 - P.I. Can Estella 08635 St. Esteve Sesrovires Barcelona, España Tel.

13 c/ Galileo 8 - P.I. Can Estella St. Esteve Sesrovires Barcelona, España Tel Fax E: info@calvosealing.com REVIEW 26/09/2012

Paper, Cork & Rubber. Sheet Material. Telephone : Fax : E- mail :

Paper, Cork & Rubber. Sheet Material. Telephone : Fax : E- mail : Paper, Cork & Rubber 165 Paper, Rubber & Cork Gasket Materials Rubber, cork and paper-based gasket materials offer a low cost sealing solution for applications where the additional strength offered by