Precision casting, a method vital for producing intricate metal parts with high accuracy, relies heavily on the quality of the shell molds used. NINGBO INNO PHARMCHEM CO.,LTD. is a leading supplier of ammonia type silica sol, a critical binder for creating these high-performance molds. The use of ammonia as a stabilizer in this silica sol provides excellent colloidal stability and allows for the creation of molds with exceptionally fine detail and smooth surfaces, essential for complex geometries and tight tolerances.
Our ammonia type silica sol is specifically formulated to provide superior mold strength and integrity during the high temperatures encountered in metal casting. Unlike traditional binders, our silica sol ensures that the ceramic shell can withstand extreme thermal shock without cracking, a common issue that can lead to casting defects. When you buy silica sol from NINGBO INNO PHARMCHEM CO.,LTD., you are choosing a product that directly contributes to reducing rejection rates and improving the overall yield of high-quality cast components. This makes it an attractive option for industries requiring precision metal parts, such as aerospace, automotive, and medical devices.
The advantages of using our silica sol in precision casting are multifaceted. It allows for the creation of thinner sections and more complex designs than are possible with other binder systems. Furthermore, the excellent as-cast surface finish achieved often reduces the need for secondary machining, thereby lowering production costs. As a reputable manufacturer in China, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing silica sol that meets the stringent demands of precision metal casting. Partner with us to leverage the benefits of our advanced silica sol technology and enhance your casting operations.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.