National
Roll Kote manufactures both polyester and polyether based polyurethane
compounds in the hardness range of 30 Shore A to 75 Shore D or 3 to
225 P&J. Our polyurethane covers are tough and cut resistant,
free of bubbles, voids and blemishes. We make many compounds that
can meet the demands of the toughest roll cover applications.
PHYSICAL
& CHEMICAL PROPERTIES OF
POLYKOTE 1000 & 2000 (POLYURETHANE)
POLYKOTE
1000
POLYKOTE
2000
DUROMETER
30
SHORE A-90 SHORE A
40
SHORE A-75 SHORE D
HEAT
RESISTANCE
DRY
ENVIRONMENT
190°F
200°F
WET
ENVIRONMENT
140°F
180°F
ACID
RESISTANCE
WEAK
ACIDS
FAIR
GOOD
STRONG
ACIDS
POOR
POOR
ALKALI
RESISTANCE
WEAK
ALKALI
FAIR
GOOD
STRONG
ALKALI
POOR
POOR
WATER
RESISTANCE
COLD
EXCELLENT
EXCELLENT
HOT
POOR
FAIR
SOLVENT
RESISTANCE
ALIPHATICS
EXCELLENT
EXCELLENT
AROMATICS
VERY
GOOD
FAIR
KETONES
FAIR
POOR
ESTERS
POOR
POOR
ETHERS
POOR
POOR
ALCOHOLS
GOOD
GOOD
GLYCOLS
POOR
POOR
CHLORINATED
HYDROCARBONS
FAIR
POOR
55 Harbor View Dr, New Castle, DE 19720
Phone: (302)421-9400 / (800) 992-5683 Fax: (302)421-9477
