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Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® HR5640
SiSiB® HR5640

High Rebound Silicone Rubber

SiSiB® HR5640 is a high rebound heat-cure silicone rubber with a hardness of 40. It complies with FDA regulations and offers excellent rebound resiliency, good processability, and strong overall physical properties.

SiSiB® HR5640

Technical Data


Appearance

Milk-white, Transparent

Hardness (Shore A)

40+/-2

Tensile Strength (MPa)

Min.6.5

Elongation (%)

Min. 380

Tensile Set (%)

Max. 6.0

Tear Strength (KN/m)

Min. 16.0

Compression Set (180%*22h)

Max. 28.0

Rebound Resilience (%)

Min. 65.0

Curing Agent Content

0.65%

Curing Condition

175°C×5min

The above values are typical and not intended for use as specifications.

Application


SiSiB® HR5640 is suitable for silicone rubber products requiring high rebound performance, such as:


  • O-rings


  • Sealing elements


  • Elastic gaskets


  • Various molded silicone rubber components

Packing and Storage


SiSiB® HR5640 is supplied in 20Kg box, with plastic bag inside.


This document does not contain the product safety information required for safe use. Before handling, please refer to the product and safety data sheets, as well as container labels, for information on safe usage, physical hazards, and health risks. Safety Data Sheet is available on the website, from the distributor, or by contacting SiSiB customer service.

Documents

DownloadSiSiB® HR5640 Safety Data Sheet
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SiSiB® HR5640