POWERSIL® XLR® 630 A/B Liquid Silicone Rubber (LSR)
Liquid Silicone Rubber (LSR)
POWERSIL® XLR® 630 A/B is an especially low viscous, two-component silicone compound with excellent processing
properties. The vulcanized rubber is noted for the good mechanical properties as well as for the excellent dielectrical
behaviour.
Properties
• ready-to-use, two-component system
• extreme low viscosity as a liquid rubber
• excellent processing with suitable mixing and dosing equipment (low pressure mold filling)
• excellent dielectric properties
• best suitable for outdoor applications (UV & weathering resistance, excellent hydrophobic properties)
Specific features
• Low viscosity
• Resistant to tracking and erosion
Technical data
Applications
• Electrical Insulation Industry
• Cable Accessories
• Arresters
• Insulators
Application details
POWERSIL® XLR® 630 A/B is the right choice for economical production of large articles like hollow core insulators with
suitable mixing and dosing equipment. Because of its extreme low viscosity the use of a high-cost injection moulding
equipment is not necessary, but of course possible if wanted.
Due to the outstanding electrical properties POWERSIL® XLR® 630 A/B is an insulating material for indoor as well as for
outdoor use.
Processing
Components A and B are delivered ready to use in drums of 20 and 200 litres capacity. They can be pumped by means of
standard metering equipment from these drums and mixing in a static mixer straight into the heated mold. The mixing ratio
is 1 : 1.
The extreme low viscosity and resulting high volumetric flow rate ensure consistent, void-free production at constant mould
temperature, also of large-volume moulded parts. The very low inner mould pressure minimizes the danger of deformation
of FRP tubes or other inserts.
At room temperature, mixtures of A and B components have a pot life of at least two days.
For detailed information, refer to brochures on www.wacker.com.
Packaging and storage
Storage
The “Best use before end” date of each batch is shown on the product label. Especially in warm climate, storage of the material in an air-conditioned warehouse with cool (below 25 °C) and dry conditions is mandatory.
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.