BS EN ISO 8340 Tensile Properties

Mechanical

ISO, BSI, EN

Sealants, Plastics, Chemical

This test shows a sealants ability to be stretched a small amount for a long period without breaking free. Replicating the natural forces expansion and contraction of sealed materials will apply to the sealant.

The sealant is applied to the materials it intended for use on (aluminium, glass or mortar) and left to cure for a month under laboratory conditions, following which if required, dry heat and cool water cycling. The assembled sealant blocks are then stretched a pre determined amount(depending on modulus etc.) and held at the stretched amount for 24 hours. Any breakage is assessed and whether the sealant ruptures or comes off the material.

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The testing that 4ward carried out was of a high standard, met deadlines and targets that were necessary and we were kept involved with regular updates as the testing progressed.The support and guidance that 4ward offered to us as an individual company and via their input to BASA was greatly received and helped the industry increase it’s knowledge of what is still a confusing issue.I'm sure that that the issue of CE Marking will continue to evolve and encompass more products, but it is our intention to continue to use 4ward for our CE Marking requirements whether for new product...

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Sika Limited

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