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CASIS Polymer Technology

Industrial Sealing Solutions | 23 Years of Expertise | OEM & Custom Rubber Manufacturing

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Who is CASIS?

CASIS is a leading Chinese manufacturer of rubber products with over 23 years of production experience. Since 1986, we have specialized in industrial sealing solutions, foam rubber, silicone membranes, and high-end customized rubber materials.

As a professional one-stop service provider, we guide customers in selecting the correct rubber materials for diverse industrial applications including automotive, photovoltaic, glass, electronics, and home appliances.

23+
Years Experience
56+
Product Patents
4000+
mm Width Capability
6000+
Membrane Cycles
CASIS Factory

Why Choose CASIS?

We combine quality, innovation, and deep industry knowledge to deliver reliable rubber solutions tailored to your needs.

Quality First

Quality is embedded in every process at CASIS. From raw material sourcing to final inspection, we maintain strict standards to ensure consistent, high-performance rubber products.

Energy-Efficient Solutions

Our materials are designed for efficiency, reducing waste and supporting sustainable industrial operations with environmental protection in mind.

20+ Years OEM Experience

With decades of OEM collaboration, we understand your technical requirements and deliver precision-engineered rubber components on time, every time.

Custom Design Expertise

Our team offers 2D & 3D customized design solutions, ensuring your rubber parts fit perfectly into your application.

Material Selection Guidance

We help you choose the right rubber material—EPDM, NBR, Viton, silicone, and more—based on temperature, chemical exposure, and mechanical stress.

One-Stop Service

From formulation to manufacturing, testing, and delivery, CASIS manages the entire process for seamless integration into your supply chain.

Our Products

High-performance rubber materials engineered for durability, sealing, insulation, and industrial applications.

EDK-10 EPDM Open Cell Foamed Rubber

EDK-10 EPDM Open Cell

Foamed Rubber with superior weather resistance. Ideal for sealing, insulation, and gasketing in extreme conditions.

  • • Super thickness foaming
  • • UV & ozone resistant
  • • Temperature range: -40°C to +120°C
KS-EXR668 Silicone Membrane

KS-EXR668 Silicone Membrane

Specially developed for solar laminators. High flexibility and long service life.

  • • >6000 cycles lifespan
  • • 4000mm width without splicing
  • • Low surface adhesion
Silicone Vacuum Bag for Glass Laminating

Silicone Vacuum Bag

For glass laminating furnace. High flexibility and inert to avoid mucosity.

  • • Resistant to high temps
  • • Excellent elasticity
  • • Reusable & durable
DuPont GBL-600S Viton Rubber Sheet

DuPont GBL-600S Viton

High-performance fluoroelastomer sheet with excellent chemical and heat resistance.

  • • Up to 250°C continuous use
  • • Resistant to oils & fuels
  • • Long shelf life
EDK-20 Foamed Rubber

EDK-20 Closed Cell Foam

Dense, water-resistant foam for high-pressure sealing and vibration damping.

  • • Low compression set
  • • Moisture resistant
  • • Excellent recovery
NBP-65 Rubber Sheet

NBP-65 Nitrile (NBR) Sheet

Oil and fuel-resistant rubber ideal for automotive and industrial seals.

  • • High abrasion resistance
  • • Good tensile strength
  • • Wide hardness range
NKX-55 EPDM Sheet

NKX-55 EPDM Sheet

Weather and ozone-resistant rubber for outdoor and roofing applications.

  • • UV stable
  • • Flexible at low temps
  • • Long-term durability
EDK-106 Foam Rubber

EDK-106 Acoustic Foam

Sound-absorbing foam for noise reduction in automotive and electronics.

  • • High NRC rating
  • • Lightweight
  • • Fire retardant options
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Our Services

From concept to delivery, we offer comprehensive support for your rubber product needs.

Free Samples

Request material samples to test performance in your application.

One-Stop Service

Full-cycle support from design to delivery, including raw material sourcing.

Customized Solutions

Tailored rubber formulations and shapes to meet your exact specifications.

Certified Quality

ISO-certified processes and rigorous testing ensure product reliability.

Get in Touch

Ready to discuss your rubber product needs? Reach out to our team for expert guidance and support.

Phone: +86-532-83611120

WhatsApp: +86-18553208656

Email: [email protected]

Address: Qingdao Rubber Industrial Park, Jinshengyi Road, Chengyang District, Qingdao, China

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