Is calcium carbonate still reasonable as cheap and inert filler?
from SPE Plastics Research Online
Polyolefins are ubiquitous commercial polymers used in a broad range of products from consumer goods to food packaging. They are, however, inherently flammable, and thus for certain applications must be treated to meet stringent fire-safety specifications. Halogenated compounds (such as those used in electronics) constitute one well-known class of flame-retardant additives.
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