P-9A, P-9-14 polyesters

Parameters

P-9A

P-9-14

Mass fraction of hydroxyl groups, %, within the range of

2.0-2.3

2,9-3,1

Mass fraction of carboxyl groups, %, within the range of

0.05-0.10

0,03-0,07

Viscosity at 25 °C, Pa∙s, within the range of

4.0-6.0

2,4-3,3

Mass fraction of iron, %, maximum

0.0007

Mass fraction of water, %, maximum

0.05

Physical and mechanical properties of cured products:

Nominal stress at 100% elongation, MPa, maximum

1.57

Nominal tensile strength, MPa, minimum

3.92

2.16

Elongation at break, %, maximum

600

250

Relative residual deformation after breaking, %, maximum

12

4