"What exactly is V4 used to produce?"

The answer is quite clear: its core value lies in serving as a reactive intermediate and fundamental raw material in the production of silicone materials.

First, V4 can be used in the production of vinyl silicone oil.

Vinyl silicone oil is a crucial base material for addition-cure silicone rubber and liquid silicone rubber (LSR) systems. By adjusting the polymer's molecular structure, molecular weight, and vinyl content, manufacturers can meet specific downstream requirements regarding fluidity, hardness, cross-linking speed, and mechanical properties.

Second, V4 is applicable to addition-cure silicone rubber and liquid silicone rubber.

Addition-cure silicone rubber typically forms a cross-linked structure through an addition reaction between vinyl groups and Si-H groups. Since V4 contains multiple vinyl groups, it can serve as a reactive siloxane raw material within these systems. Supplier data indicates that its applications extend to silicone rubber, sealants, coatings, and potting materials.

Third, it can be used for high-vinyl silicone rubber and related silicone materials.

For silicone systems requiring higher reactivity or specific cross-linked structures, vinyl-functionalized raw materials offer greater design flexibility.

Fourth, V4 serves as an intermediate for synthesizing other vinyl-functional silicone materials.

Therefore, rather than simply viewing V4 as a "silicone oil additive," it is better understood as:

A functional intermediate capable of integrating into silicone polymerization and cross-linking systems, providing vinyl reaction sites for the resulting materials.

This represents its true value within the silicone industry supply chain.

Of course, different applications have varying requirements regarding V4's purity and composition. The market offers high-purity grades (97% or even over 99%) alongside other specifications tailored to industrial production needs.

Consequently, when sourcing V4, one should look beyond the name "V4" and verify specific details such as purity, vinyl content, and the requirements of the intended downstream application.