Name: SiSiB® LR4005
Brand: Nanjing SiSiB Silicones Co., Ltd.
Price: 100 USD

Technical Data

Cured Properties
(Cured at 140°C × 10 min, sample thickness approx. 2 mm)
Specific Gravity	1.10-1.15	GB/T533-2008
Hardness (o A)	47-53	GB/T531.1-2008
Tensile Strength (MPa)	Min.8.5	GB/T528-2009
Elongation at break (%)	Min.550	GB/T528-2009
Tear Strength (KN/m)	Min.30	GB/T528-2009
Rebound (%)	Min.50	GB/T1681-2009
Compression set (%)*	Max.20	GB/T7759-1996

* Compression set test condition: 175°C × 22 h

These values are typical data and should not be used as specification.

Application

SiSiB® LR4005 is suitable for precision molded silicone components requiring transparency, elasticity, and long-term sealing performance. It is particularly recommended for O-rings, sealing rings, and general sealing components used in industrial and consumer applications.

SiSiB® LR4005 is supplied as a two-component system (Part A and Part B). Each component is available in 20 kg pails or 200 kg drums.

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.

SiSiB® LR4005 Technical Data Sheet