Non-metallic materials in contact with drinking water in the UK must conform to British Standard (BS) to address regulations regarding. Find the most up-to-date version of BS at Engineering These Guidance Notes gives details of the BS tests and test sample The requirements for the suitability of non-metallic products are given in BS
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Customers who bought this product also sb BS If the final MDOD value over weeks 5, 6, 7, 8 and 9 is less than 1.
When shipped to the laboratory, the samples are typically placed into labeled, polyethylene bags, because samples labeled directly with adhesive tape, ink, etc. Standard Number BS Extraction of substances of concern to public health This test is also known as the cytotoxicity test. WRAS approvals for fittings require both mechanical testing, as well as testing of non-metallic tests to BS If the MDOD value is 1. The samples must also be no more than 12 months old at the date they are received at the test laboratory.
Approvals are valid for five years. A set list of metals is analyzed regardless of material type or formulation.
So, there will be multiples of each 6902-1 these tests for products that include multiple non-metallic materials in contact with the water supply, with each being a separate test on separate materials. Ten samples of each material are required. Find Similar Items This product falls into the following categories.
Growth of aquatic microorganisms Materials are placed into water that is saturated with dissolved oxygen and sealed into bottles. You may experience issues viewing this site in Internet Explorer 9, 10 or If the application is determined to be acceptable, then the WRAS issues the approval.
Please download Chrome or Firefox or view our browser tips. Suitability of non-metallic materials and products for use in contact with water intended for human consumption with regard to their effect on the quality of the water.
The MDOD must be less than 1. A sample may consist of more than one piece. Learn more about the cookies we use and how to change your settings.
BS includes five main test requirements, applied to all non-metallic materials in contact with drinking water:. Your basket is empty. The faster, easier way to work with standards. Bd and continue Learn more about the cookies we use and how to change your settings. A taste test panel is employed for the evaluation.
British Standard BS – WCP Online
Extraction of metals A leaching test on all non-metallic materials is conducted. Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of 6920-11 water the official title of BS may be long, but it does effectively describe the scope and purpose of the standard.
There are no manufacturing-facility audits required for WRAS approvals. Subscribe Subscribe 69920-1 Newsletter. Note that each of these tests is conducted on one material only, not on products consisting of multiple materials. This directory can be found at https: Note also that no formulation disclosure is required because the testing is applied in the same way for each non-metallic material regardless of material type or formulation.