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

Evonik Ultrasil 7000 GR Precipitated Silica

Evonik Ultrasil 7000 GR is original German highly dispersible granulated precipitated silica, specially developed for low-rolling-resistance green tire treads. It features high reinforcement, easy dispersion, dust-free, and greatly improves abrasion, wet grip and rolling resistance.

Features Of Evonik Ultrasil 7000 GR Precipitated Silica

  1. Ultra-high dispersion – fast mixing, uniform dispersion, no agglomerates

  2. High reinforcement – greatly improves tensile, tear, abrasion and dynamic properties

  3. Granulated & dust-free – smooth feeding, eco-friendly for automatic lines

  4. Excellent tire performance – balanced abrasion, wet grip and rolling resistance

  5. Stable processing – good compatibility with silane, stable vulcanization

Typical Applications Of Evonik Ultrasil 7000 GR Precipitated Silica

  1. Green tire tread – passenger car tires, winter tires, better wet grip & rolling resistance

  2. Tire sidewall/bead – higher strength, flex and aging resistance

  3. High-performance rubber goods – dampers, seals, hoses, belts

  4. Rubber shoe soles – improved abrasion, resilience and appearance

  5. EPDM/SBR/NR compounds – efficient reinforcement for general & special rubber

Specifications Of Evonik Ultrasil 7000 GR Precipitated Silica

Product TypeHighly Dispersible Granulated Precipitated Silica
AppearanceWhite granule
BET Surface Area175 m²/g
SiO₂ Content≥97%
pH Value (5% suspension)5.5–7.5
Loss on Drying≤6.0%
CAS No.112926-00-8 / 7631-86-9


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *