Chinese wholesale Flexible Polyurethane Foam - SV 999 Structural Glazing Silicone Sealant – Siway

Test standard

Test project

Unit

value

Before curing——25℃，50%R.H.

Specific gravity

g/ml

1.40

GB13477

Flow, sagging or vertical flow

mm

0

GB13477

Operating time

min

15

GB13477

surface drying time（25℃，50%R.H.）

min

40-60

Sealant curing speed and operating time will have different with different temperatures and temperature, high temperature and high humidity can make sealant curing speed faster, rather low temperature and low humidity are slower.

21 days after curing——25℃，50%R.H.

GB13477

Durometer Hardness

Shore A

40

The ultimate tensile strength

Mpa

1.3

GB13477

Tensile strength（23℃）

Mpa

0.8

GB13477

Tensile strength（90℃）

Mpa

0.5

GB13477

Tensile strength（-30℃）

Mpa

0.9

GB13477

Tensile strength（flooding）

Mpa

0.6

GB13477

Tensile strength(flooding - ultraviolet)

Mpa

0.6