ELASTOSIL® LR 3103/20 A/B

Liquid Silicone Rubber (LSR)
Liquid silicone rubbers of the ELASTOSIL ® LR 3103 series are paste-like, easily pigmentable two-component compounds
with short curing times. Their vulcanizates are noted for their high transparency and excellent mechanical and electrical
properties.

Properties
Narrow Shore hardness range from 17 to 27 Shore A (22 ± 5 Shore A). This product can be used within a temperature
range of – 55 °C to + 210 °C. The addition of heat stabilizers at service temperatures of more than 180 °C is
recommended. Further information to improve the heat stability by use of specific ELASTOSIL® Color Pastes FL can be
obtained from the Technical Information Sheet “ELASTOSIL® Color Pastes FL”.

Specific features
• Low Viscosity
• General purpose
• Reduced volatile content.

Technical data

Applications

• Anti-Slip Coating
• Battery
• Cable Accessories
• Connector Seals
• General Automotive Parts
• Household Applications
• Industrial Textiles
• Molded Parts
• Molded Seals (Automotive)
• Sanitary
• Textiles for Protective Clothing
• Vibration Damping

Application details

These grades are particularly suitable for the economical production of large series of injection-molded articles. Parts
made from ELASTOSIL® LR 3103/20 A/B IN can be used for technical applications.

Processing
The A and B components are delivered ready to use in 20 kg pail and 200 kg drum kits. With adequate metering
equipment, they can be pumped directly from the original containers into the injection molding machine and mixed by a
static mixer. The mixing ratio is 1:1. At room temperature, mixtures of A and B components have a pot life of at least
three days.
For detailed information refer to our brochure “SOLID AND LIQUID SILICONE RUBBER – MATERIAL AND PROCESSING GUIDELINES”.

Packaging and storage

Packaging
This product is available in 20 kg pails and 200 kg drum kits.

Storage
Once opened, containers should always be resealed after use to prevent the platinum catalyst from being poisoned by
amines, Sulphur, or phosphorus compounds.

The ‘Best use before end’ date of each batch is shown on the product label. Storage beyond the date specified on the
label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the
intended use must be checked for quality assurance reasons.

Safety notes

Comprehensive instructions are given in the corresponding Material Safety Data Sheets. They are available on request
from WACKER subsidiaries or may be printed via WACKER web site http://www.wacker.com.