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

Wingstay L Rubber Antioxidant

Wingstay L is a high-performance rubber antioxidant from Songwon’s Wingstay series offering excellent thermal and oxidative stability for natural and synthetic rubbers. It prevents premature aging and cracking during processing and service life. Widely used in tires automotive parts and industrial rubber goods. Compatible with other antioxidants and accelerators. Meets FDA and REACH requirements. Low volatility ensures long-term protection without bloom.
  • wingstay l rubber antioxidant_e4691f0f
  • wingstay l rubber antioxidant_e4691f0f

Features Of Wingstay L Rubber Antioxidant

  1. Highly effective phenolic antioxidant providing excellent protection against thermal and oxidative aging.

  2. Low volatility ensures long-term retention in rubber compounds during processing and service life.

  3. Good compatibility with natural rubber, SBR, BR, and other common elastomers.

  4. Non-staining and non-discoloring—ideal for light-colored and premium rubber goods.

  5. Excellent synergistic performance when combined with secondary antioxidants like phosphites or thioesters.

Typical Applications Of Wingstay L Rubber Antioxidant

  1. Tires (tread, sidewall, and carcass compounds).

  2. Automotive rubber parts including hoses, belts, and bushings.

  3. Industrial rubber products such as conveyor belts and rollers.

  4. Footwear soles and molded rubber components.

  5. General-purpose molded and extruded rubber goods requiring extended service life.

Specifications Of Wingstay L Rubber Antioxidant

Chemical TypeSubstituted phenolic antioxidant (2,2'-methylenebis(4-methyl-6-tert-butylphenol))
Product FormPowder
AppearanceWhite to off-white free-flowing crystalline powder
Melting Point130–135 °C
Assay (by HPLC)≥98.0%
Loss on Drying≤0.5% at 105 °C
Residue on Ignition≤0.1%
Heavy Metals (as Pb)≤10 ppm


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