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Branded Products

Buoyancy Foams

Insulation Sports & Leisure Marine & Water

Sondor manufacture and supply cross-linked closed cell expanded Polyethylene (SPX) and cross-linked closed cell expanded SVA in various densities for numerous floatation and buoyancy applications.
  • A Variety of buoyancy and marine applications
  • Vibration damping
  • Boat deck carpet underlay.
Product Description

Sondor's SVA 33 has been successfully evaluated by the SABS against the requirements of ISO 12402-7: 2007 section 4.8 which details the requirements for Personal Floatation Device Materials and Components, with specific reference to Foam Floatation Material. With the compliance of SVA33 to all requirements of the above standard, Sondor is able to offer SVA 33 for use in Personal Floatation Devices.


Available in a large range of densities, from 25 to 300 Kg/m3 .
Specialists are available to assist with design, layout, and choice of materials.
Custom designs can be CNC shaped out of a variety of our foams.


Quantity Dependant

Features of this product
  • The foams are resilient, compressible and light weight.
  • Sondor SPX complies with SAMSA regulations section 9 & 9.1 regarding floatation requirements. [Category A-E: (Off-shore) as well as category R: (Inland waters)]
  • Superior tensile strength, elongation and weathering capabilities.
  • SPX is fully closed-cell, and will not absorb water even if the material is cut open.
  • Sondor’s foam is a fully cross-linked closed cell expanded polyethylene.
Technical Specs
  • Resistant to chemicals, oils, and fuels.
  • Excellent buoyancy characteristics - able to support approx. 1000 Kg/m3 .

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