Normac NR-1085 is a specialty formulated two component “stripped” polyether based urethane casting system yielding a cured hardness of 82 Shore D.

PREPOLYMER PROPERTIES

Prepolymer:                              Low Free (stripped)TDI - Ether

Appearance @ 27^OC (80^OF):Clear amber liquid

Viscosity @ 100^OC (212^OF):  760 cps

PROCESSING INFORMATION

Curative pph (ratio):                30.6 (100 parts "A" to 30.6 parts "B" by weight)

Stoichiometry:                          95

Prepolymer Temperature:     65^OC (150^OF)

Curative Temperature:           82^OC (180^OF)

Working Pot Life:                     20-30 minutes

ELASTOMER PROPERTIES

Shore Hardness:                     82 + 5 shore D

100% Modulus:                        885 psi (ASTM D412)

300% Modulus:                        1670 psi (ASTM D412)

Tensile Strength:                     5600 psi (ASTM D412)

Elongation:                               180% (ASTM D412)

Tear Strength (D-470 pli):      90 (ASTM D470)

Bashore Resilience:               42% (ASTM D2632)

Taber Abrasion:                       89.0 (ASTM D4060)

(mg loss per 1000 cycles)

H-18 wheel on 1000g load

Rev.0