Product description
Molecular formula: C10H21NO4Si
Molecular weight: 247.38
CAS No. : 24801-88-5
Chemical name: 3-isocyanate propyl triethoxysilane
Peculiarity:
RK-25 is a new type of organosilane coupling agent. The isocyanate group can react with hydroxyl, amino and other active groups, and can play a significant coupling role in organic materials, especially for inorganic materials with excellent adhesion.
Physical and chemical data:

Application                                                                    

1. RK-25 is mainly used to treat the surface of inorganic, organic and metal materials to give them good adhesion between dissimilar materials to improve the comprehensive performance of materials or products.

2. RK-25 can react with amine, hydrogen azide and phosphate ester to obtain silane coupling agent containing urea, azide and phosphate ester.

3. RK-25 can be used as a room temperature vulcanized silicone rubber tackifier to improve the bonding strength of the rubber to the substrate.

4. RK-25 can be used as an organic polymer modifier to achieve chemical modification, and RK-25 can be used as a crosslinking agent and viscosifier for paint.

Company Profile                                                           

Hebei Zhuanglai Chemical Trading Co.,Ltd. is a foreign trading company, specializing in developing and producing Chemical raw materials, pharmaceutical intermediates.It has its own factory, which procures itself a competitive edge in market.

For many years, our company has won many clients' support and trust because it always strives to make high-quality merchandise with favorable price. It commits itself to satisfy every clients, in return, our customer show great confidence and respect for our company. In spite of so many loyal customers won these years, Hegui keeps modest all the time and strives to better itself from every aspect.

We are looking forward to cooperating with you and having a win-win relationship with you. Please rest assured that we will satisfy you. Just feel free to contact me.

Packing & Shipping                                                      

FAQ                                                                                

Q1. What is your delivery term and delivery period?

We accept FOB, CIF, etc. You can choose the one which is the most convenient or cost effective for you. Competitive price with ready stocks; by Air within 7days, by sea within 14 days shipping after .

Q2. What's your main markets?

South&North America, Europe, Asia, Africa etc. Top customers among more than 80 countries; 30 years history; One-stop supplier.

Q3. What is the payment term? 

Normally we advise customers use Trade Assurance(is a free payment protection service for buyers is offered by Alibaba group), and we also receive T/T, Western Union or L/C.

Q4. Will you supply samples for test the quality?

We'd like to offer our customers samples for the quality evaluation for most products to develop business.