Product Description

Introduction:
Bis[3-(triethoxysilyl)propyl]tetrasulfide (CAS No. 40372-72-3), coupling agent SCA-S69X, reacts with fillers containing silanol groups during mixing and with the polymer during the vulcanization process under formation of covalent chemical bonds. This imparts better tensile strength, higher module, reduced compression set, increased abrasion resistance and optimized dynamic properties. SCA-S69X is used in many applications where white fillers containing silanol groups are involved and optimum technical properties are required.

Application:
1. Tires: An excellent reinforcing agent in tires to reduce heat built-up, reduce rolling resistance and improve the tires wet grip.
2. Shoe Soles: Generally applicable  for improving abrasion resistance of sole compounds containing precipitated silica.
3. Mechanical Rubber Goods: General use for achieving good dynamic properties, low compression set and high abrasion resistance in mixtures containing white fillers.

4. Adhesives and sealants: An excellent adhesion promoter to glass, aluminum, steel and other inorganic surface in polysulfide, nitrile and other rubber adhesives, sealants and coatings.

Product Parameters

Product Name	High Quality Bis[3-(triethoxysilyl)propyl]tetrasulfide CAS 40372-72-3
CAS NO.	40372-72-3
Appearance	Light Yellow liquid
Purity	99%
Boiling Point	250 °C
Density	1.08 g/mL at 20 °C
Application	Organic raw materials; Organic chemical raw materials
Usage	Bis[3-(triethoxysilyl)propyl]tetrasulfide is used as organic raw materials.

 

 

FAQ

Q1: Sample request

Could I get a sample before placing an order?

For high-value items, you only need to cover the sample cost and shipping fee. After long-term cooperation or once you become our VIP client, we can provide free samples upon your request.

Q2: Payment terms

We accept T/T, L/C and trade insurance. You may pick the option that suits you best.

Q3: Delivery & lead time after payment

Small orders will be sent via international couriers (DHL, FedEx, TNT) or air freight. You will receive the goods within 3 to 5 working days after shipment.

For bulk orders, sea shipping is the most cost-effective choice. Transit time ranges from several days to weeks, depending on your destination port.

Q4: Custom packaging & labels

Yes, we support customized labels and packaging as per your requirements.

Q5: Quality assurance

All our products are fully qualified. We conduct strict testing and will provide the Certificate of Analysis (COA) prior to delivery.

After-sales Service

1. All products are manufactured and inspected in compliance with national standards. Defective goods are never delivered. We strictly abide by quality commitments and after-sales regulations.

2. If you have any quality complaints, we will respond within 24 hours. Should our products fail to meet quality standards, we offer a full refund.