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

Evonik 6411 Precipitated Silica

Evonik German imported silane-modified silica 6411 adopts in-situ silane modification, with high surface activity, excellent dispersion and strong bonding with rubber matrix. It is designed for high-performance tires and green rubber products, ready to use without extra silane.

Features Of Evonik 6411 Precipitated Silica

  1. In-situ silane modification – pre-modified surface, no need for silane in mixing

  2. Excellent dispersibility – faster & uniform mixing, dust-free & agglomerate-free

  3. Strong interfacial bonding – greatly improve strength, wear & flex resistance

  4. Easy processing – direct feeding, simpler formula & lower cost

  5. Eco-friendly & low VOC – no free silane volatilization, safer production

Typical Applications Of Evonik 6411 Precipitated Silica

  1. High-performance green tires – tread & sidewall, better grip, rolling resistance & wear

  2. Premium rubber products – seals, dampers, hoses, belts

  3. Lightweight rubber – shoe materials, sports equipment, industrial parts

  4. Silicone & rubber compounds – reinforcement, hardness & mechanical properties

  5. Low-rolling-resistance rubber – parts for new energy vehicles

Specifications Of Evonik 6411 Precipitated Silica

Product TypeSilane-Modified Precipitated Silica
AppearanceWhite powder
SiO₂ Content≥98%
pH Value (5% suspension)5.5–7.5
Loss on Drying≤6.0%
BET Surface Area150±20 m²/g
CAS No.112926-00-8 / 7631-86-9
Packing200kg/bag


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