指定手工虫胶的六个主要等级。不溶于热酒精的物质的要求以及可选要求:挥发性物质、颜色、蜡、灰分、铅和砂砾含量、酸碘值、热聚合和流动试验。交叉引用:ISO 56-1

Specifies six main grades of hand-made shellac. Requirements for matter insoluble in hot alcohol are given along with optional requirements for: volatile matter, colour, wax, ash, lead and grit content, acid iodine values, heat polymerization and flow tests.Cross References:ISO 56-1