Is there a national or ISO standard for longan-concrete?
There is no single-product GB or ISO standard for longan concrete. Top builds the spec on the enterprise standard Q/XXXX (built on GB 2762 food contaminants, GB 2760 flavour-use framework, GB 5009 series), with the relevant medicine-food dual-use management.
Must-Test
Soluble solids (Brix), moisture, Pb/As/Cd/Hg/Cu, total plate count, coliforms, mould & yeast.
Background
Longan is a traditional Chinese fruit/tonic; its concrete has no dedicated ISO or single-product GB..
Methods
Brix by refractometry; contaminants by GB 5009 series; micro by GB 4789 series.
Buyers may name Q/XXXX as acceptance basis.
Relate Products
This article was published on 2026-09-22, and last updated on 2026-09-22. The article will be continuously updated.
