Technical & Laboratory Facilities

Our process laboratory includes an internal mixer, allowing manufacture of batches from 1kg upwards, and 2 laboratory mills, and our staff are experienced in development work.
Clwyd Compounders Ltd… was founded by John Haywood (PhD, Materials Technology) and Sarah Haywood (MSc, Analytical Chemistry) in 1979, and based in Wrexham, North Wales – an area with a long tradition of manufacturing, situated centrally for easy access to UK markets. As technologists, they appreciated the potential for continuous development of rubber compounds, both to meet existing needs with more cost-effective materials, and to expand the range of conditions in which rubber compounds could be used.

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Our well equipped laboratory can carry out specification testing to a range of standards, including:

HardnessISO 48:2010, ASTM D2240, ASTM D1415
DensityBS ISO 2781:2008, A1:2010, ASTM D297
TensileISO 37:2011, ASTM D412
Tear StrengthBS ISO 34-1:2010, ASTM D624
Compression SetBS ISO 815-1:2008, ASTM D395
Heat ResistanceBS ISO 188:2007, ASTM D573
Effect of LiquidsBS ISO 1817:2011, ASTM D471
Ozone ResistanceBS ISO 1431-1:2012, ASTM D1149
Low TemperatureBS903-A13:1990, ISO 1432:1998, ASTM D2137
Corrosion ResistanceBSO ISO 6505:2005
We also provide compound analysis/identification using:

TGA   (Thermogravimetric analysis)

FTIR  (Fourier Transform Infrared Spectroscopy)

Other equipment includes a spectrophotometer for colour matching and a dispergrader for carrying out dispersion checks.

Compound Identification

Customers frequently need a compound which will match that in a sample provided, and Clwyd Compounders have made a substantial investment in analytical equipment which meets this need.

Compound Identification can be provided either as part of a quote for a new compound, or a full report can be prepared for consideration as a stand-alone service.

Compound Development

Whether you require a “tweak” to an existing compound, or are starting a new project from scratch, Clwyd Compounders can provide the service you require.

All development starts with an assessment of your processes, your product and the environment in which it will be required to perform. This will be carried out by a member of our technical team with relevant specialist experience, who will take responsibility for your project.

We will propose a costed scheme of work and time scale; for complex developments, this may be multi-stage, with samples and reports submitted for specialist external testing/evaluation during the process. We are experienced in the use of DoE (design of experiment) software which enables us to minimise the number of samples we need to produce to obtain the required results.

We undertake to keep you fully informed throughout the project and we are not afraid to give bad news; it is in the nature of development work that problems will arise from time to time; in our experience, provided these are addressed as soon as they become apparent, a solution can usually be found.

Technical Papers

We have the following 6 technical papers for you to download:

New-generation curative – taking an ETU replacement accelerator from concept to marketplace

2014 – Rubbercon, Manchester

The compounders’ approach to developing compounds for components to meet major specifications for the oil and gas industries

2010 – HPE for Oil & Gas Conference, Aberdeen 

REACH for the downstream user – a summary

2011 – Manchester Polymer Group Seminar 

Achieving the right balance between Specification and Processabilty for Selected High Performance Elastomers

2012 – DKT conference, Nuremberg

Download a Technical Paper

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    The challenges of replacing existing
    compounding ingredients because
    of legislation

    2006 – Rubberchem conference, Nuremburg

    REACH for the downstream user

    2010 – Rubberchem conference, Vienna

    Case Studies

    We have the following case study for you to download:

    Updated Silicone Aerospace Specifications
    Issues for Compounders and
    Downstream Users
    New High Temperature ACM Grade Pushes the Boundaries in Turbo Hose Applications
    Combining Compound Optimization and Mix Cycle Evaluation to Suit Production Techniques and End Product Preformance
    Download a Case Study

    Before downloading our technical papers, please enter your email address below. This is so ____________. For more information on how we use your data, please visit our Privacy Policy.

      Development of a range of fibre reinforced compounds with improved processing for anti-extrusion applications
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