Aging and agglomeration are prominent problems in the storage of shellac resin products. During long-term storage of shellac resin, due to the polymerization of various free genes, the thermal life of the resin product is shortened, the melting point increases, the color deepens, and the hot ethanol insoluble matter Gradually increase, this is the “aging” of shellac resin. During this process, shellac resin coalesce into hard lumps that are difficult to crush, called “agglomeration”. The quality of aging and agglomerated resin products will decrease to a certain extent.

虫胶产品的老化和结块与储存条件有关。当温度、湿度升高或存在催化剂时，会加速老化和结块。

鉴于昆虫胶片的化学和物理特性，昆虫胶片应贮存在干燥、通风、阴凉的地方，避免日晒雨淋和接近高温高湿的环境。在这种储存环境下，虫胶可存放三年，超过三年的产品应重新检查，确认符合标准后方可使用。

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