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September 12, 2005
New Flame Retardant
Masterbatch for Plastics
Seattle, WA, USA--(Jobwerx News)--Ampacet introduces an improved flame
retardant masterbatch with improved thermal stability for use in plastics
products.
Ampacet Corporation has launched a flame retardant masterbatch, AmpShield
1199 (Product 101199), for use in high and low density polyethylenes that
provides 36°F (20ºC) better thermal stability than traditional brominated
flame retardants and an excellent cost-performance ratio. It is targeted
for use in plastics such areas as wire and cable insulation and construction-related
films.
The new masterbatch has little effect on a resin's tensile and elongation
properties and can be used at temperatures to 550°F (287°C) in non-FDA
plastics extrusion processes, such as those for film, sheet, and wire
and cable, as well as in plastics injection molding. It also has relatively
low surface migration, so it has little or no effect on printing, sealing
and other post-conversion processes.
Although AmpShield 1199 can impart good flame resistance to a polyethylene
matrix at addition rates as low as 12 percent, 18 to 20 percent is usually
recommended to ensure enough is present to prevent polymer ignition, especially
in thin films.
Thermal Capability of AmpShield 1199
Tests show that polyolefins having the proper letdown ratio of this masterbatch
consistently achieve a V-2 rating or better. (A V-2 rating is the UL 94
criteria specifying a maximum burn time of 30 seconds after ignition with
allowable dripping.) The ability to attain a V-2 or V-1 rating in a finished
product also depends on such factors as the nature of the resin and filler
and part thickness.
The additive in AmpShield 1199 (Product 101199) has a thermal stability
that is 36°F (20ºC) higher than the additive use in traditional brominated
flame retardants like Ampacet 101834.
Ampacet Corporation offers a wide range of halogenated and non-halogenated
flame retardants in a many base resins, including polyethylene, polypropylene
and ethylene vinyl acetate, to meet the rapid growth in flame retardant
use in the construction, automotive, electrical, electronics and other
industries. Ampacet Corporation is the world's largest volume global masterbatch
supplier and offers the broadest range of custom color, special effect,
black, white, and specialty additive masterbatches for extrusion, molding,
and a multitude of other processes and applications.
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