Welcome to our Technical Area featuring technical specs and FAQs regarding our bespoke heating elements. If you can't find what you are looking for listed below or have any other questions about commercial heaters, please don't hesitate to contact us on +44(0) 1799 523177

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FAQs

Fast Track Expedited Service: How much will it cost?

Each order will be priced independently based on the quantity, complexity of the products and current production volumes.

Fast Track Expedited Service: How long will it take?

Low volume orders can be processed in as little as 1-2 days, larger volumes will be reviewed independently.

Fast Track Expedited Service: What am I paying for?

You are paying for any additional working hours and resources to prioritise the processing, additional costs incurred for expediting material or components and re-planning of the current production schedule.

Brexit: Will my lead times increase after Brexit?

We have reviewed our supply chain and purchased additional stock to ensure there is minimal impact on the lead times of deliveries.

Brexit: Who will prepare the export documentation required to receive my order?

We will continue to be supported by DHL courier whom will prepare the export documentation as a result of the supply of a commercial invoice with each shipment.

Brexit: What will the incoterms of my orders be when shipped after Brexit?

We will be shipping under EXW or DAP depending on the delivery location.

How much will a one-off cost and how long will it take?

Cost is dependent on several variables, including size and specification. For prototype work, set up charges are minimal. The lead time on small quantities is normally 10-14 days including the design stage.

What is the difference between Foil and Wire?

Wire Wound elements are manufactured using a resistance wire that is looped around pins. It is ideally suited for small quantities, larger sizes and low-cost sampling. Not only can it be used in adhesive static applications, but also where repeated flexing is required.

Etch Foil uses a chemically etched track much like a printed circuit board suited to high power densities and medium to large quantities – they are used mainly in static applications and where even heat distribution is critical.

What is a Silicone Rubber Insulated Heating Element?

Comprising of a wire or etched resistor laminated between sheets of silicone rubber compound, these heaters are ideally suited for the heating of surfaces in a multitude of applications.

What IP rating are the heaters manufactured to?

As standard, silicone heaters are manufactured to IP64, however we can manufacture to IP65. We are currently working on achieving ratings as high as IP67.

How can I control the temperature?

Heaters can be supplied with thermal limiting devices hard wired directly to the heater. Temperature sensors such as thermocouples, PT100’s and thermistors can be fitted to the heater mat for connection to external process controllers. Holroyd Components can also offer a range of controllers.

What is required to receive a quotation?

To provide an accurate quotation we would require as much technical information as possible. This includes the dimensions, Voltage, Wattage, Non-Adhesive or Self-Adhesive. In addition to this whether additional devices such as limiters, sensors, fuses, hooks and springs are required is advantageous. All this information is ideal but we can provide a budget quotation with the most basic of information if required. All enquiries can be sent to sales@holroydcomponents.com

What Quality system does Holroyd Components operate?

We have ISO 9001:2015 approval which is audited by the British Standards Institution (BSI)

Does Holroyd Components have any third-party approvals?

All our products meet all the relevant European directives and are CE marked accordingly. VDE approval as well as UL/CSA recognised products are available upon request.

How much power will I need and how long will it take to heat up?

We can provide detailed power calculations and offer advice for individual applications. Heat up times will depend on many variables such as ambient temp, mass & specific heat value of the product and whether thermal insulation is utilised, for example. For more detailed specification, take a look at the technical data sheets or get in touch to discuss our range.

What are the available shapes?

Practically any shape, size or profile is available along with holes, cut-outs and slots within our maximum range. We can advise no matter what your requirements.

What temperatures can heater mats be used at?

The temperature of a mat can range dependant on the material used and many other variables. Silicone can be suitable from -60°C to +250°C and Kapton -40°C to +200°C.

How are the heaters fixed?

For static applications, a self-adhesive backing is a simple, quick method of installation. Where removal is requested, hooks, eyelets and springs, Velcro and magnetic bindings are available. We can offer many configurations suited to your specifications.

What voltage supply can I have?

The heaters are a pure resistor and therefore can be designed to suit any supply voltage, AC or DC, single or three phase.

Holroyd Components Ltd Units 10 - 12, Shire Hill Industrial Estate, Saffron Walden, Essex CB11 3AQ United Kingdom
Tel:  +44 (0)1799 523177   Email: sales@holroydcomponents.com

Disclaimer: Please note that all pictures shown on our website are for illustration purpose only and actual products may vary due to product enhancement or change.

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