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Chiguard® W-5491: High-Efficiency Waterborne UV Stabilizer — Advanced Protection for Wood Coatings
UV Stabilizers
Chiguard® W-5491: High-Efficiency Waterborne UV Stabilizer — Advanced Protection for Wood Coatings
Ultraviolet rays in sunlight are the main culprit behind the aging of outdoor wood. They cause fading, yellowing, and structural degradation, significantly shortening the wood’s service life.
A Copolymerizable UV Absorbing Diol ─ Chiguard® R-455
UV Stabilizers
A Copolymerizable UV Absorbing Diol ─ Chiguard® R-455
When used with polyurethane elastomers, R-455 reacts with isocyanates to form covalent bonds and becomes part of the polymer main chain.
A Broad Spectrum and Highly Effective UV Blocker – Chiguard® GA403
UV Stabilizers
A Broad Spectrum and Highly Effective UV Blocker – Chiguard® GA403
The most important property of GA403 is its insolubility in common food ingredients, and it has passed the EFSA food contact migration test in 10% ethanol, 3% acetic acid, and vegetable oil.
Waterborne UVAs and HALS – Chiguard® WB
UV Stabilizers
Waterborne UVAs and HALS – Chiguard® WB
The Chiguard® WB series enjoys high stability against rain washing which makes exterior coatings more durable.
Highly Effective UV Stabilizer for Woods – Chiguard® W-5481
UV Stabilizers
Highly Effective UV Stabilizer for Woods – Chiguard® W-5481
Chiguard® W-5481 (W-5481) is a highly effective waterborne UV stabilizer for wood coatings. It can achieve a better color protect ion with a lower dosage. 



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