Polyurethane | Clwyd Compounders

Clwyd reference	PU
ASTM classification	PU
Typical applications	High hydraulic/high-tress/wear applications Coatings Adhesives Print rollers Bumpers Couplers
Advantages	Excellent physical strength Excellent tear and abrasion attributes
Disadvantages	Poor high temperature resistance Not suitable for hot water/steam applications or ketones, concentrated acids, hydrocarbons or esters

Available hardness range (Shore A)	25 - 85
Upper continuous service temp.	100°C
Min. temp. for sealing applications	-50°C
Minimum non-brittle temp.	-80°C
Tensile strength (up to)	30 MPa
Elongation at break (up to)	600%

Price Bracket	Low
ASTM 1 Oil	Excellent
ASTM 2 Oil	Good
ASTM 3 Oil	Good
Kerosene	Excellent
Liquid B	Average
Liquid 101	Good
Phosphate ester	None
Ketone	None
Toluene	None
Iso-octane	Good
Methanol	None
Acid (weak)	None
Acid (strong)	None
Base (weak)	None
Base (strong)	None
Hydrogen sulphide	None
Steam	None
Ozone	Excellent
Radiation	Average