SK Minerals & Additives Ltd.
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Standalone flame retardant additives are single-chemistry HOFNIL products that formulators blend into their own systems. This page is the overview of the range. Ammonium polyphosphate, zinc borate and melamine cyanurate each have their own page; the intumescent blend and the red phosphorus masterbatch are described below. SK Minerals & Additives Ltd., manufacturer in India, supplies them to compounders, masterbatch makers and coating and textile formulators.
These additives go into polymers, textiles, coatings and composites to inhibit ignition, suppress smoke and slow the spread of flame.
They suit manufacturers who formulate their own flame retardant system and want to improve fire safety without giving up material performance.
Choose by chemistry: ammonium polyphosphate (HOFNIL-FR A2 and FR A2M), zinc borate (HOFNIL-ZB) and melamine cyanurate (HOFNIL-FR 255). The two products without a page of their own are listed below.
Intumescent blend for polyolefins
A halogen-free intumescent flame retardant blend designed for polyolefins, particularly polypropylene and its copolymers. It is often used with melamine cyanurate (MCA) or melamine polyphosphate (MPP). Under heat it forms a protective char layer that stops flame spreading and reduces the release of toxic gases.
Red phosphorus concentrate for polyamides
A halogen-free flame retardant based on red phosphorus, particularly suited to polyamide articles. It is a free-flowing, dust-free masterbatch in pellet form, so it is easy to handle, accurate to dose and safe to process.
From our flame retardant additives range.
HOFNIL-FR A2 and FR A2M: APP and melamine-coated APP.
HOFNIL-ZB: boron-based zinc borate for polymers and rubber.
HOFNIL-FR 255: halogen-free MCA for nylon, TPU and PBT.
HOFNIL-87NC: a nano-composite substitute for ATO.
Tell us the application and the quantity. We will send the technical data sheet, a sample or a quote for Standalone flame retardant additives.
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