'WRWNR75D - HT'. Black coloured, natural rubber material manufactured by calendaring and moulding. Shore hardness 75 Shore D. Tested in-radius size 1.25mm. For use with water up to 50°C.
'WRAS 61713 EB 78'. Black coloured, hard ebonite rubber material manufactured by calendaring and autoclave vulcanisation. Shore hardness 78D. Tested in-radius size 1.05mm. For use with water up to 60°C.
'WRAS 61813 E80'. Black coloured, hard ebonite rubber material manufactured by calendaring and autoclave vulcanisation. Shore hardness 80. Tested in-radius size 2.2mm. For use with water up to 60°C.
'EPDM4570‐70'. Black coloured, compression moulded gaskets. Shore hardness 70. Tested in-radius 2.0mm. For use with water up to 85°C.
'M534 'O' rings'. Black coloured, injection moulded EPDM 'O' rings. Shore hardness 70. Tested in-radius size between 0.5mm & 3.0mm. 'M534 Gasket Seal Rings’ were added to the approval in June 2024. Black coloured, injection moulded EPDM gasket seal rings. Shore hardness 70. Tested in-radius size between 0.75mm & 2.0mm. For use with water up to 85°C.
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