NCO Content (%)

2.7±0.2

6.5±0.2

2.7±0.2

5.0±0.2

Operating Conditions

Ratio (Poly: BDO)

100:7.73

100:18.60

100:7.73

100:14.31

Prepolymer Temp (°C)

85

80

85

80

Curing Agent Temp (°C)

115

115

115

115

Mold Temp (°C)

100-110

100-110

100-110

100-110

Pot Life (min)

20-30

3-6

8-10

2-3

Demold Time (min)

60-120

30-45

60-120

30-45

After Cure (h/100°C)

16-24

16-24

16-24

16-24

Physical Performance

Shore Hardness (A)

75±2

97±2

75±2

95±2

100% Modulus (MPa)

8-10

9-10

9-10

9-10

300% Modulus (MPa)

16-17

18-22

14-15

18-22

Ultimate Elongation (%)

620-680

400-550

650-720

400-550

Tensile Strength (MPa)

35-38

46-52

30-37

46-52

Tear Strength (without Nick) (KN/m)

60-75

115-125

60-70

115-125

Resilience (%)

23-26

12-15

24-26

12-15

DIN Abrasion (mm³)

48-50

42-45

52-55

42-45

Density (25℃) (g/cm³)

1.23

1.23

1.23

1.23