Silicone Rubber Products

“If you can draw it, we usually can make it”

Ronfell Group has for many years specialised in the design, compounding and manufacturing of
silicone rubbers. Recent developments of flame retardant silicone rubber and associated materials
for London Underground, the Ministry of Defence (MoD Naval) and other Blue Chip company’s have
indicated further specialisation in sponge and medical products for High Temperature applications.
The numerous beneficial properties of silicone rubber has allowed us to bring solutions to many
complex material problems. Ronfell is able to offer a wide range of formatted materials in sizes,
strengths and colours to match the most stringent performance specification demanded by our clients
and leads to new market opportunities.

Silicone Tubing

All types of Silicone tubing in standard and FDA materials, with co-extruded nylons and polyesters
for structural hardness.

Silicone Solids

Silicone rubber is a synthetic elastomer, which, whilst having the resilience and
elasticity associated with natural and other synthetic rubbers, possesses the
outstanding ability to retain these properties over a wide temperature range and
approvals UL 94VO.

Silicone Sheeting

Demand for solid silicone sheeting continues to grow and is available in sizes
ranging from 0.5mm thick to 12mm thick. While most standard stocks are one metre
wide, other special grades come in 305mm, 457mm or 610mm squares available.

Silicone Sponge / Foam

Expanded silicone rubber sponge comes in material grades
RE510 (12 lbs pcf), RE515 (16 lbs pcf)
RE524 (24 lbs pcf), RE533 (33 lbs pcf)

Silicone Flame Retardant

The Silfire product is a recently developed rubber material in silicone.
Silfire can be used in all application at temperatures exceeding
+300 Deg C and where a “Zero spread of flame” is required thus averting disasters.

Silicone High Tear Strength

A very high tear strength compound having very good mechanical properties. Features
include extended heat stability inside temperature range, Off white in natural state,
limited pigmentation.

Silicone Fluorosilicone

FLUOROSILICONE components demonstrate a ready adaptability for use in the electricity industry where temperature extremes
and a wide range of chemicals are produced. FLUOROSILICONE has a high resistance to flame, weather, oxidation, ozone,
silicate hydraulic fluids, alkalis, alcohol and synthetic lubricants.

Silicone Rubber Profiles

All types of profiles available from round to square, P-section and general window seals.
All grades of shore Hardness form 45 to75 SH

Silicone Gaskets

A range of round or square gaskets available for enclosures, windows and many other applications.

Silicone Cable

A range of Silicone high temperature cable available from 1.5mm upwards, with temperatures of
200°C to 300°C.

Silicone Compounding

We are available to compund all types of materials.

Silicone Rubber Masking Caps

A range of Silicone caps and plugs for high temperature spraying and the protection of equipment.