Hydroxypropyl Methylcellulose (HPMC), recognized by its CAS number 9004-65-3, is a highly functional additive in the construction industry, significantly enhancing the performance of cement-based materials such as mortars, renders, and tile adhesives. As a specialized HPMC supplier in China, NINGBO INNO PHARMCHEM CO.,LTD. provides high-quality HPMC that acts as a crucial rheology modifier and water retention agent, improving workability, adhesion, and overall durability of construction products.
Improving Workability and Consistency
In cementitious systems, HPMC is instrumental in improving workability. It provides the necessary lubrication and body to the mix, making it easier to apply and trowel. This is particularly important for dry-mix mortars, where HPMC helps achieve the optimal consistency, prevents sagging, and ensures a smooth finish. For tile adhesives, the correct viscosity imparted by HPMC prevents the tiles from slipping after application, allowing for precise placement and a stronger bond.
Water Retention: The Key to Stronger Bonds
One of HPMC’s most critical functions in construction materials is its excellent water retention capability. Cement hydration is a chemical process that requires sufficient water to occur fully. HPMC significantly reduces the water evaporation rate from the mix, especially on porous substrates or under hot and dry conditions. This ensures that adequate moisture is available for the cement hydration process over an extended period, leading to:
Other Benefits of HPMC in Construction
Sourcing HPMC for Construction Applications
When you need to buy HPMC for construction materials, choosing the right grade is important. Different viscosity grades and substitution types of HPMC are available, each suited for specific applications. As a reputable HPMC manufacturer and supplier, NINGBO INNO PHARMCHEM CO.,LTD. can guide you in selecting the optimal product. We offer reliable supply and competitive HPMC price in China, ensuring your projects benefit from consistent, high-performance materials. Partner with us for your construction chemical needs and experience the difference quality HPMC makes.
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.