Gold Member Since 2012
Audited Supplier
Dongguan Rayton Chemicals Co., Ltd.

Silane, Silane Coupler, Silane Coupling Agent manufacturer / supplier in China, offering Silane Coupling Agent (RT-69C), Petroleum Resin C9, Petroleum Resin C5 and so on.

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Silane Coupling Agent (RT-69C)

FOB Price: Get Latest Price
Min. Order: 1 Ton
Port: Shanghai, China
Payment Terms: L/C, T/T, D/P
Basic Info
  • Model NO.: RT-69C
  • Appearance: Powder
  • Classification: Chemical Additives
  • Color: White
Product Description

Silane Coupling Agent (RT-69C)

Silane Coupling Agent (RT-69C)


Chemical Name

Mixture of bis-[3-(triethoxysilyl)-propyl]-tetrasulfide and Silica


White powder.


AppearanceWhite Powder
Specific gravity (25ºC)1.25 ± 0.10
Weight Lose in 105ºC/10min (%)£ 5.0%

  1. RT-69C is a kind of multifunctional silane coupling agent that has been used successfully in the rubber industry.
  2. RT-69C can be used in the vulcanized rubber system with fillers such as silica, fiberglass, talc powder, mica powder and clay as reinforcing agent. It can improve the reinforcing properties of fillers and rubber abrasive resistance properties.
  3. It is suitable to be used as rubber additive---vulcanizing agent and activator in polymers such as NR, IR, SBR, BR, NBR and EPDM.
  4. In the process of vulcanization, the crosslinking rate of sulfur alkyl is the same as deoxidizing rate of sulfur, so it act to resist deoxidizing of vulcanization of sulfur, and then improve dynamic bending properties such as heat build up and cracks expansion .The sulfur atoms can act as activator for vulcanization.
  5. In dynamic and static conditions, It is used for producing these rubber products: tire, hose, rubber roll, belting, cable, shoe and mechanical founding products. It can improve abrasive resistance, cutting resistance and pressure resistance, reduce hysteresis loss and hygroscopicity , improve mechanical and adhesive properties, increase thermal ageing performancemodulus and flex life.


Recommend dosage1.0-6.0 PHR

Package and storage

  • 20 kg in plastic bag.
  • Sealed storing:Keep in the cool, dry and well-ventilated place.
  • Storage lifeLonger than six months in normal storing conditions.

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