Name

SR silicone rubber door seal /silicone rubber window seal

NO.

Items

Qualification

Result

1

Shore hardness(HA)

*0

*0*5

2

tensile strength,MPa

≥5.0

*0.*6

3

Tensile elongation,%

≥**0

**4

4

hot-air ageing (**0°C×**8h)

Hardness changing(HA)

*5~**0

8.2

tensile strength change rate,%

<*5

**8.9

Tensile elongation

Change rate,%

<*0

**3.1

Weight loss on heating,%

≤3.0

2.*4

5

Hot air ageing(*0°C×**4h)

rebound recovery after Thermal aging (Da),%

5grade:*0%< span="">

*2.3

Drawing and samples are welcome!