Name: BASF Tinuvin 770 Hindered Amine Light Stabilizer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of BASF Tinuvin 770 Hindered Amine Light Stabilizer

Highly effective long-term UV stabilization for polymers via the Denisov cycle mechanism.
Excellent thermal stability up to 280 °C, suitable for high-temperature processing such as injection molding and extrusion.
Low volatility and minimal migration, ensuring durable performance in thin-section and surface-critical applications.
Good compatibility with a broad range of thermoplastics, elastomers, and coatings.
Non-discoloring and non-staining—preserves original color and clarity of light-sensitive substrates.

Typical Applications Of BASF Tinuvin 770 Hindered Amine Light Stabilizer

Polyolefins (PP, HDPE, LDPE) — including automotive interior parts and outdoor packaging.
Engineering plastics such as ABS, PC/ABS blends, and polyesters used in exterior automotive trim.
Coatings and clear topcoats for plastic and wood surfaces requiring gloss and UV resistance.
Elastomers and thermoplastic elastomers (TPEs) exposed to sunlight and weathering.
Adhesives and sealants where long-term bond integrity under UV exposure is critical.

Chemical Type	Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate — hindered amine light stabilizer (HALS)
Product Form	White to off-white crystalline powder
Appearance	Free-flowing crystalline solid
Molecular Weight	577.0 g/mol
Melting Point	65–70 °C
Primary Applications	Polyolefins, engineering plastics, coatings, elastomers
Key Features	Low volatility, high thermal stability, excellent UV protection efficiency
Benefits	Extended service life, reduced surface cracking/chalking, retained mechanical properties

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E-mail: wangxingqiang@ericwchem.com
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