When used with polyurethane elastomers, R-455 reacts with isocyanates to form covalent bonds and becomes part of the polymer main chain.

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.

The Chiguard® WB series enjoys high stability against rain washing which makes exterior coatings more durable.

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.