Clwyd Compounders NR Natural Rubber

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Clwyd Compounders NR Natural Rubber
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Natural Rubber (NR) has the widest range of hardnesses, very strong and extremely resilient. Applications include those requiring strength and resistance to abrasion, sealing and shock absorption. Typical applications: Components which are protected from constant air changes – i.e. inside machinery – and which do not come into contact with any oil or oil based fluids Applications requiring strength and resistance to abrasion Sealing and shock absorption Advantages: Widest range of hardnesses Very strong (naturally self-reinforcing) and extremely resilient Good compression set Good resistance to inorganic chemicals Very good deformation capacity Good flex fatigue resistance Very good abrasion resistance Disadvantages: Lack of resistance to oil and organic fluids Relatively low maximum temperatures (75°C continuous, 100°C intermittent) Poor ozone resistance, with tendency to perish in open air (can be improved to some extentby careful compounding). Information provided by CLWYD COMPOUNDERS LTD.
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Mechanical Properties	Original Value	Comments

Hardness, Shore A	30 - 95
Tensile Strength	<= 25.0 MPa
Elongation at Break	<= 600 %

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	80.0 °C	Upper continuous
Minimum Service Temperature, Air	-70.0 °C	non-brittle
	-40.0 °C	sealing applications

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PCLWYD031 / 316048

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