UV stabilizer Masterbatch
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K1560. is a specialty UV stabilizer concentrate containing 25% UV stabilizer based in
polypropylene. This concentrate is designed to offer UV protection by quenching oxidative byproducts
resulting from the exposure to UV light. K1560. has a minimal effect on the color or melt index of
products to which it is added.
K1560. is recommended for use at 0.6% to 2% addition levels depending upon customer specific
application requirements. At 1.0% addition level, FIBC fabrics with K1560. will meet requirements of
both ISO 21898 (the FIBC international standard) and ASTM G154 (Standard Practice for UV
exposure of nonmetallic materials) .
UV Test method:
Expose test samples to fluorescent UV-B light in QUV Accelerated Weathering Tester for at least
200 hours, using a test cycle of 8 hours at 60 0C with UV radiation, alternating with 4 hours at 50 0C with condensation.
Packaging: In 20 kg bags.