It’s worth noting that while greensand provides substantial benefits, it should be used as part of a broader fertility program. Combining greensand with other organic amendments, such as compost and well-rotted manure, can yield even better results, ensuring that your plants receive a comprehensive range of nutrients.
In particular, natural rubber shows a significant decrease in mechanical strength when exposed to acetone. This is critical for applications where rubber is employed in environments where acetone or acetone-based products are present, such as in automotive or manufacturing settings.
acetone and rubber

However, like many food additives, individuals with specific allergies or sensitivities should exercise caution. While E481 is derived from natural sources, it is always advisable to check product labels for transparency regarding ingredients.