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Sheeting - Selection Criteria

Application	Natural / SBR	Neoprene	Nitrile	EPDM	Butyl	Silicone	Viton
Petrol	Poor	Poor	Good	Poor	Poor	Poor	Excellent
Lubricating Oils	Poor	Fair	Good	Poor	Poor	Good	Excellent
Acid	Fair	Fair	Good	Excellent	Excellent	Fair	Good
Alkali	Fair	Fair	Fair	Good	Excellent	Fair	Fair
Hydraulic Fluid (Phospates)	Poor	Poor	Poor	Good	Good	Good	Poor
Hydraulic Fluid (Silicates)	Poor	Good	Good	Fair	Fair	Poor	Good
Abrasion Resistance	Excellent	Good	Good	Good	Good	Fair	Good
Tear Strength	Good	Good	Good	Fair	Good	Poor	Fair
Impact Resistance	Excellent	Good	Fair	Good	Good	Fair	Fair
Resilience	Excellent	Good	Good	Good	Fair	Poor	Fair
Impermeable to Gases	Fair	Good	Good	Good	Excellent	Poor	Excellent
Compression Set	Good	Good	Good	Fair	Fair	Good	Good
Water (Non Potable)	Good	Good	Good	Good	Good	Good	Good

Care should be taken in selecting the most suitable quality for each application. Advice is available but final responsibility remains with the customer.

If you don’t see a product suitable for your requirements above please contact our sales office, as alternatives may be available.

Our economy grades are made to a very high standard with similar properties to the standard grades. They have a lower base polymer content, so can sometimes be used as a cheaper solution in less exacting applications.

Operating Temperatures

In today’s competitive market yields are of vital importance. With the above in mind we have a policy of stocking a wide range of thicknesses and roll widths to give our customers maximum choice with clear tolerance definitions.

Material Tolerance & Yields

Thickness Tolerances

Over	Upto	Tolerance +/-
0.5mm	1mm	0.2mm
1.5mm	3mm	0.3mm
4mm	5mm	0.4mm
6mm		0.5mm
8mm		0.7mm
10mm	15mm	1.0mm
20mm		1.4mm
25mm		1.75mm

Roll Length Tolerances

Length (mm)	Tolerance +/-
1000mm	50mm
5000mm	250mm
10000mm	500mm
20000mm	1000mm

Roll Width Tolerances

Length (mm)	Tolerance +/-
900mm	18mm
1000mm	20mm
1220mm	24mm
1300mm	26mm
1400mm	28mm

Please note:

The tolerances above are manufacturers tolerances, although the length table would also apply to cut lengths.

As we cannot have any influence over how our products are used, they are used entirely at the user’s own risk.

We do of course guarantee the quality of our products according to general sales conditions, available on request. Subject to change and error. The mentioned properties are guiding values only.

We don’t cut gaskets, we leave that to the experts you – our customers.

Samples are available on request, to enable you to carry out your own tests for suitability.