Abrv. Elastomer (Rubber) Temp. Range °C Density Comp.set ( %) Tensile strength Elong. at break Features

NR

Natural Rubber

-30 to 80 °C

1.34 g/cm3

55 %

160 kg/cm2

410 %

* Good Mechanical strength & Elasticity even at low temperature.

* Poor resistance to Oil & Temperatures above 70°c.

IIR

Butyl Rubber

-40 to 120 °C

1.34 g/cm3

21 %

140 kg/cm2

330 %

* Good Electrical insulation properties & Low permeability to Gases & Vapour.

* Not suitable for Mineral based oils & Aromatic (Toulene, Benzene) solvents.

SBR

Styrene Butadiene Rubber

-50 to 100 °C

1.22 g/cm3

21 %

165 kg/cm2

410 %

* Superior to natural rubber in ageing at elevated temperatures.

* Non-resistance to Mineral oils, Lubricating greases and Petroleum.

EPDM

Ethylene Propylene Diene Terpolymer

-40 to 120 °C

1.17 g/cm3

25 %

150 kg/cm2

370 %

* Best suited for Extruded profile sections Automobile parts, Electric wires, Tubes, Belts, Hoses

* Good resistance to Weathering, Steam, Oxidizing media, Acids, Polar organic media, Ketons, Fire retardant hydraulic fluids.

Neoprene

Chloroprene Rubber (CR)

-20 to 100 °C

1.45 g/cm3

25 %

170 kg/cm2

460 %

* Multipurpose Synthetic rubber with a balanced combination of Mechanical properties

* Excellent adhesion to Metal

* Very poor resistance to Oil, Benzene, Ketones, Esters, Ethers, Acetone.

VMQ

Silicone Rubber(Vinyl-methyl-silicone)

-70 to 200 °C

1.35 g/cm3

25 %

80 kg/cm2

350 %

* Excellent temperature resistance

* Good cold flexibility

* Resistant to Engine & Transmission oils

* Poor Mechanical strength & Tear resistance.

FSL

Fluro Silicon - Tetrafluoroe thelene propylene-TFE/P

-62 to 177 °C

1.48 g/cm3

17 %

95 kg/cm2

310 %

* Excellent fluid resistance at a wide temperature range and are used only for static seals due to poor Mechanical properties

* Non-resistance to Ketones and Phosphate esters.

AFL

AFLAS Rubber

-40 to 200 °C

1.6 g/cm3

20 %

140 kg/cm2

260 %

* Aflas® is Asahi Glass Co. trade name; it has significant advantages over FKM’s. It exhibits excellent Heat & Oil resistance.

* Mainly used in Automobile Industries where other Elastomers do not perform.

FKM-AED

FKM (Anti Explosive Decompression)

-18 to 200 °C

1.22 g/cm3

21 %

160 kg/cm2

450 %

* Typically used for high pressure applications in Oil & Gas industries.

* The compound has been tested according to NACE TM 192-2003.

Viton

Fluro Elastomer (FPM/FKM)

-40 to 200 °C

2.02 g/cm3

25 %

148 Kg/Cm2

250 %

* FKM/FPM is commonly known by DuPont's trade name "VITON".

* Exceptional compression set at High temperatures.

* Non-resistant to Methanol, Keytones, Esters & Ethers.

ACM

Polyacrylic Rubber

-10 to 150 °C

1.22 g/cm3

21 %

90 kg/cm2

260 %

* The properties are midway between Nitrile and Fluorocarbon rubber, hence highly cost effective in replacement for Viton.

* Good resistant to Ageing & Flex cracking.

HNBR

Hydrogeneted Nitrile Butadiene Rubber

-30 to 140 °C

1.22 g/cm3

13 %

215 kg/cm2

350 %

* Resistant to number of aggressive Chemicals

* Exhibits high Mechanical strength and Improved wear and extrusion resistance Good chemical compatibility & can be used with oils which have aggressive additives.

NBR

Acrylonitrile Butadiene Rubber (Nitrile)

-30 to 100 °C

1.22 g/cm3

17 %

172 kg/cm2

405 %

* Most frequently used material for Sealing applications

* Excellent abrasion resistance & good compression Set

* Not suitable for Aromatic hydrocarbons & temperatures above 125°C.

XNBR

Carboxylated Nitrile Rubber

-30 to 100 °C

1.22 g/cm3

16 %

168 kg/cm2

340 %

* Improved mechanical properties compared to regular NBR being marginally higher in price.

R/C

Fabric Reinforced Elastomers

-40 to 200 °C

1.17 g/cm3

NA

183.6 kg/cm2

250 %

* NBR, HNBR, FPM, EPDM & Silicon impregnated fabric used for Seals which are subjected to very High pressure and Load

* Fabric structure forms micro lubricating pockets which results in lower friction values.

PU1-PU4

Thermoplastic Polyurethane

-30 to 100 °C

1.2 g/cm3

25 %

47 mpa

470 %

* The entire range of Hardnesses Polyester Based Polyurethanes. * Having Excellent wear & tear properties, Highly Abrasion resistant and Extrusion resistance at the same time exhibiting good flexibility.

CPU

Cast Polyurethane

-30 to 110 °C

1.13 g/cm3

16 %

47 mpa

400 %

* Exhibit outstanding Abrasion, Impact and Chemical resistance, along with High Load bearing capacity.

PUZ

High Temp Polyurethane

-50 to 130 °C

1.14 g/cm3

25 %

52.5 mpa

530 %

* Improved temperature resistance * Most expensive grade of PU *Used in very specific mobile hydraulic applications.

HYT

Polyester Elastomer

-20 to 110 °C

1.22 g/cm3

22 %

44 mpa

440 %

* DuPont's trade name "Hytrel " * Having high mechanical properties. Excellent Compression set at low temperatures only * Excellent resistance to oils and fuels.

 
Food Grade compounds compliant to US-FDA-177-2600. Cla. (E) & Cla. (F)

VT FG

Food grade FKM

-40 to 220 °C

2.01 g/cm3

24 %

148 kg/cm2

360 %

* Perfect for Food & Lab applications with high temperature. * Safe to use for repeated food exposure.

NT FG

Food Grade Nitrile

-30 to 100 °C

1.2 g/cm3

19 %

150 kg/cm2

370 %

* Highly resistant to Animal fat & Vegetable oils * Used in all phases of food processing, especially in suction and discharge for Food & Dairy products. * Used in manufacturing of Pharmaceuticals, Cosmetics products as well.

EP FG

Food Grade EPDM

-40 to 120 °C

1.17 g/cm3

21 %

145 kg/cm2

380 %

* Used in Applications involving transfer of Oily substances. * Ideal for Beverage & Dairy applications within a short range of temperature.

SL FG

Food Grade Silicone

-70 to 200 °C

1.29 g/cm3

22 %

85.40 kg/cm2

360 %

* Most Highly used Elastomer for Food & Pharmaceutical applications. * Resistant to Animal and Vegetable oils and greases. * Can work in a various range of temperatures * Not suitable for Steam at all.

PU5

Food Grade Polyurethane

-30 to 100 °C

1.13 g/cm3

23 %

48 mpa

630 %

* Polyether based specifically suitable for Hydrolysis resistance and Food & drug applications * Referring to US-FDA-177-2600.Cla.(F)

* Referring to US-FDA-177-2600. Cla.(E).

NSF approved Materials used in Drinking Water application for Distributors in USA Spareage mat. Successfully Tested & Approved by NSF Michigan, USA Laboratory.

Abrv. Elastomer (Rubber) Temp. Range °C Density Comp.set ( %) Tensile strength Elong. at break Features

PTFE

Polytetra- Fluorethylene

-200 to 260 °C

2.14 g/cm3

50-65 Shore D

23.52 Mpa

265 %

* PTFE is commonly known by DuPont's tradename "TEFLON". * Pure PTFE has tendency to creep or cold flow under high temp. And load, hence is blended with other Mineral fillers.

BFT

Bronze Filled Teflon

-200 to 260 °C

3.1 g/cm3

67-69 Shore D

17.64 Mpa

255 %

* Bronze filler reinforcement of 40 % to 65 % * Excellent wear resistance with Improved Compressive Strength & Good thermal conductivity.

GFT

Glass Filled Teflon

-200 to 260 °C

2.2 g/cm3

58-62 Shore D

17.15 Mpa

290 %

* Glass filler reinforcement of 15 % to 25 % * High Compressive Strength with better Wear resistance and Excellent chemical resistance.

CFT

Carbon Filled Teflon

-200 to 260 °C

2.08 g/cm3

71-73 Shore D

18.62 Mpa

125 %

* Carbon reinforcement of 15 % to 25 % * Superior Compressive Strength * Better wear resistance and Good thermal conductivity.

GRT

Graphite Filled Teflon

-200 to 260 °C

2.13 g/cm3

62-65 Shore

14.20 Mpa

120 %

* Graphite reinforcement of up to 15 % to 25 % * High Compressive Strength with Good Chemical resistance * Highly Improved Self Lubricating (sliding) properties.

ACT 1

Acetal (POM)

-40 to140 °C

1.42 g/cm3

M-94

73 Mpa

35 %

* DuPont trade name "DELRIN" * High mechanical strength, stiffness and resistance to repeated impacts even at Elevated temperatures * Excellent resistance to Moisture, Gasoline * Non-resistance to Strong Acids and Steam.

ACT 2

25 %. Glass filled Acetal (POM)

-40 to 160 °C

1.6 g/cm3

M-96

154 Mpa

4.10 %

* Glass Filler reinforcement of up to 25 % * Improved Heat Resistance & Minimal size variation in the parts. Excellent abrasion resistance, high Mechanical strength, Stiffness & Toughness.

PA 6

Polyamide (Nylon)

-20 to 190 °C

1.13 g/cm3

M-80

96 Mpa

22 %

* Good Sliding properties & Wear characteristics * Resistant to Solvents, Greases, Fuels, Oils and Acids * Not Suitable for Strong acids, Alkalis and Hot water * Good damping properties for dry running.

PA 66

30 %.Glass Filled Nylon (Polyamide)

-20 to 220 °C

1.39 g/cm3

M-95

189 Mpa

6 %

* Glass Filler reinforcement of up to 30 % * Excellent abrasion resistance, high Mechanical strength * Resistant to Mineral oils, Greases, Easter & Ketones * Non-resistance to Acid, Phenols & some Solvents.

UHMWPE

Ultra High Molecular Weight Polyethelene

-270 to 80 °C

0.935 g/cm3

65 Shore D

43 Mpa

60 %

* Excellent Self lubricating properties, Good impact strength and wear resistance, Having molecular weight ranging from 3.6 to 5.6 million * It is used in load bearing properties * Not suitable for high temperatures.

PF

Phenolic Resin Bonded Fabric

-40 to 120 °C

1.35 g/cm3

M-89

51 Mpa

60 %

* Excellent load bearing capacity with high compressive strength being highly resistant to wear * Suitable for fluids commonly use in Hydraulic equipment, Mineral oil, Fire resistant hydraulic fluids.

PPS

40 %. Glass Filled Polyphenylene Sulphide

-20 to 270 °C

1.66 g/cm3

M-100

190 Mpa

1.90 %

* Glass Filler reinforcement of up to 40 % * Excellent to withstand very high loads and high temperatures * Excellent mechanical & chemical properties * Excellent fatigue resistance to repeated stress.

PEEK

Polyether ether Ketone

up to 315 °C

1.3 g/cm3

M-99

94 Mpa

58 %

* Mechanical properties are moderate but PEEK has excellent heat stability being able to perform under continuous temperature of 260°C * PEEK is a costly material compared to other engineering plastics.