two parts rtv silicone putty

Model

          638#

             630#

625#

620#

Appearance

white

white

white

white

Mixing proportion of curing agent (%)

5%

5%

5%

5%

Operating time (mins 25 ⁰C )

40~70

60~90

40~70

               30~50

Curing time(hours 25 ⁰C)

4~7

5~7

4~7

3~5

Hardness (A°)

36±2

30±2

25±2

20±2

Viscosity (Mpas -25 ⁰C)

30000~38000

27000~32000

17000~19000

12000~14000

Tensile-strength(Mpa)

≥4.50

≥4.2

≥3.2

≥2.8

Tear-strength (KN/m)

              ≥30

≥30

≥27

≥32

Elongation-break(%)

≥ 420

≥ 440

 ≥ 440

 ≥ 420

Linear Shrinkage (%)

≤0.3

≤0.3

≤0.3

≤0.3