Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Clariant AddWorks ATR 146 Light Stabilizer

Clariant AddWorks® ATR 146 is an innovative stabilizer launched by Clariant for the automotive interior field, compatible with highly filled TPO compound systems. Low addition levels deliver excellent light protection and heat stability, while effectively reducing VOC and odor emissions. It meets mainstream OEM technical standards and sets a new benchmark for the upgrading of automotive interior materials.

Features Of Clariant AddWorks ATR 146 Light Stabilizer

  1. Sulfur-free formula design avoids adverse reactions between sulfur and metal components in materials, eliminating plating corrosion, product blooming and other issues.

  2. Low-dose addition achieves efficient light and heat stabilization effects, reducing material modification costs and minimizing impact on the mechanical properties of substrates.

  3. Outstanding light protection performance, providing long-term resistance to UV aging and preventing yellowing, gloss loss and embrittlement of automotive interior parts during long-term use.

  4. Excellent heat stability, withstanding TPO material processing and long-term high-temperature service environments of automotive interiors, ensuring dimensional and performance stability of products.

  5. Significantly reduces VOC and odor emissions, meets the low-odor environmental requirements of automotive interiors and improves the comfort of the driving and riding environment.

Typical Applications Of Clariant AddWorks ATR 146 Light Stabilizer

  1. Suitable for highly filled TPO compounds in automotive interiors, such as instrument panels and door panel substrates, providing long-term weathering and heat stabilization protection for materials.

  2. Compatible with TPO modified materials for automotive center consoles, armrest boxes and other interior components, ensuring the appearance integrity of products under high-temperature exposure conditions.

  3. Applicable to TPO injection-molded parts such as automotive headliners and seat side wings, improving the anti-aging and anti-deformation capabilities of materials.

  4. Used in low-odor modified TPO systems for automotive interiors, helping OEMs meet stringent in-vehicle air quality standards.

  5. Suitable for highly filled PP/TPO alloy materials, expanding their application scenarios in high-end automotive interior components

Specifications Of Clariant AddWorks ATR 146 Light Stabilizer

CharacteristicUnitTarget Value
Product Form-Pale yellow granular solid
Formula Type-Sulfur-free stabilizer blend
Recommended Dosage%0.1–0.3
Light Stability (QUV 1000h, ΔE)-≤ 1.5
Thermal Stability (150°C, 1000h)-No cracking, no obvious yellowing
VOC Emission (VDA 278)μgC/g≤ 50
Odor Grade (VDA 270)Grade≤ 2.5
Compatibility-Highly filled TPO/PP compounds
Storage Stability-24 months (sealed, dry, below 30°C)














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