Yunzhu New Materials logo

Professional Release Agent Manufacturer in China

High-Performance Release Agent for Concrete | PU | Metals | Composites | Plastics | Rubber Demolding Powering Precision Demolding

SGS-Tested Formulations

Verified material performance for stable demolding consistency.

Multi-Industry Application Support

From concrete to PU and composites, matched to real process conditions.

Sample-to-Scale Guidance

Clear trial plan, usage parameters, and scale-up recommendations.

Trusted Release Agent Manufacturer — Yunzhu New Materials

Overview of Yunzhu release agent company:laboratory, workshop, logistics, and trade shows

Founded in 2019, we are a leading Release Agent Supplier in China. We specialize in the R&D, production, and sales of high-performance release agents. Our products are widely used in six major industrial sectors: concrete construction, PU, metal die casting, composite materials, plastics, and rubber. With stable release performance and excellent compatibility, we have successfully served numerous large domestic enterprises and continue to expand into the global market. Leveraging our self-built professional laboratory and comprehensive testing capabilities, we accurately match the needs of different materials and processes. All our products have passed internationally recognized SGS and RoHS certifications, strictly complying with global industrial standards.

About Us

20+

Years of Expertise in Release Agent Manufacturing

About Us

4000+

Sq. M. Production Base

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10+

Senior Engineer Team

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100+

Workers

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Our Release Agent Products by Applicaton

We offer a wide range of solutions for different industrial needs:

Concrete Release Agent

Concrete Release Agent

Water-based & oil-based,designed for precast concrete,and complex molds, ensuring smooth demolding and uniform surface finish.

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Polyurethane Release Agent

Polyurethane Release Agent

Suitable for PU soles, automotive interiors,PU foam,Non-Sticking, Non-Cracking, Flawless Demolding

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Die Casting Release Agent

Die Casting Release Agent

Adding Boron Nitride,advanced formulations for aluminum casting, metal casting, and glass molding

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Composite Release Agent

Composite Release Agent

Suitable for carbon fiber,glass fiber and epoxy resin components, smooth, residue-free finish..

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Plastic Release Agent

Plastic Release Agent

Perfect for EVA, PVC, and PE products (e.g., Soles),Non-Sticking, No Cracking, Bright Finish

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Rubber & Tire Release Agent

Rubber & Tire Release Agent

Eco-Friendly, Perfect Release for Rubber Products (Tires, Soles, Seals.etc)

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Why Choose Us

Stable Product Quality with Reliable After-Sales Support

High-Performance Products

High-Performance Products

Ensure smooth demolding, reduce defects, and maintain surface quality.

Industry Expertise

Industry Expertise

Years of experience serving top Chinese industrial and construction companies.

Custom Solutions

Custom Solutions

Customized Products and Fast-Response After-Sales Service

Eco-Friendly & Safe

Eco-Friendly & Safe

VOC-free, odorless, and compliant with international safety standards.

Driven by Innovation Committed to Your Success

As a leading release agent manufacturer, technological innovation and customer service are the core of everything we do.

Advanced technology and committed to independent R&D.

  • Continuous Innovation: Our R&D team develops advanced release agents using innovative materials and eco-friendly technologies.
  • Rigorous Testing & Validation: Every formulation undergoes comprehensive lab testing and field trials to ensure stability and consistent quality.
  • Eco-Friendly Development: We prioritize water-based, VOC-free, and non-toxic raw materials, ensuring our products are safe for users and environmentally responsible.
Advanced technology and committed to independent R&D.

Thoughtful & Reliable Customer Service

  • Tailored Solutions: Every customer is unique, and we customize release agent solutions to fit their specific needs.
  • Technical Support: we provide professional technical assistance to ensure optimal product performance and efficient use on site.
  • Fast Response & Logistics: Our customer service and logistics teams ensure timely delivery, quick communication, and flexible coordination for both domestic and international orders.
Thoughtful & Reliable Customer Service

Not Sure Which Formula Fits Your Line?

Share your mold material, process condition and defect notes. We will recommend a test-ready release-agent plan for your production scenario.

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Learning Hub

Stay updated with the latest industry insights and best practices.

How to Increase Release Cycles of Semi-Permanent Mold Release Agents for Carbon Fiber?

How to Increase Release Cycles of Semi-Permanent Mold Release Agents for Carbon Fiber?

In carbon fiber composite manufacturing, **release cycles** are a key indicator for evaluating the performance of semi-permanent release agents. Whether in **hand lay-up, vacuum infusion, RTM molding, or prepreg processes**, the stability of the release agent directly affects mold efficiency, surface quality consistency, labor and material costs, production cycle time, and delivery schedules. If the release cycles are too low, it means frequent reapplication of the release agent is required. This not only increases cost but also introduces contamination, leading to defects such as **fish eyes, pinholes, and sticking issues**. This article explores how to effectively increase release cycles through **systematic optimization of material selection, application methods, and process control**.

Fish Eyes and Pinholes on Carbon Fiber Parts: Resin Problem or Release Agent Problem?

Fish Eyes and Pinholes on Carbon Fiber Parts: Resin Problem or Release Agent Problem?

A systematic guide to diagnosing fish eyes and pinholes on carbon-fiber parts, determining whether the cause is resin, release agent, or process conditions, and applying practical A/B tests and optimization steps.

How to Fix Carbon Fiber Part Sticking: Troubleshooting Checklist from Mold Condition to Demolding Process

How to Fix Carbon Fiber Part Sticking: Troubleshooting Checklist from Mold Condition to Demolding Process

Carbon fiber composites are being used more widely in aerospace, automotive, sporting goods, and industrial equipment, but on the production floor the hardest question is often not whether a part can be made, but whether it can be demolded consistently. With the same mold, the same raw materials, and the same equipment, the first few cycles may release normally, only for later cycles to suddenly show sticking, drag marks, local fiber exposure, mold-surface damage, and even line stoppages for rework. Part sticking is often blamed on the release agent alone, but field experience shows that it is usually caused by multiple factors acting together, including mold condition, cleaning steps, release-agent application, curing windows, and demolding actions. In other words, the key is not to switch products blindly, but to build a repeatable troubleshooting logic: find the main cause first, verify changes in small steps, and then lock the parameters into standard practice. The checklist below follows the order of "mold first, process second, material third, and demolding action last." It is suitable for hand lay-up, vacuum infusion, RTM, and some compression-molding applications.

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