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Professional Manufacturer of
Chloroprene Rubber & Chlorinated Rubber

With over 20 years of experience, Chongqing Chemtech delivers high-quality, cost-effective industrial chemical solutions trusted worldwide. Our advanced R&D and strict quality control ensure performance that rivals Denka, Lanxess, and Dupont.

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About Chongqing Chemtech

A high-tech enterprise dedicated to innovation, quality, and customer success in the field of advanced industrial materials.

Company Profile

Chongqing Chemtech Co., Ltd. is a specialized manufacturer focused on the R&D, production, and sales of new materials such as chloroprene rubber and chlorinated rubber. As a subsidiary of Chemtech Group, we bring over two decades of technical expertise and industrial leadership.

Our mission is to continuously supply innovative, high-performance products backed by exceptional service and competitive pricing. We are committed to integrity, quality, innovation, and mutual benefit in every partnership.

Est.
2014
Experience
20+ Years
R&D Team
Expert Engineers
Global Reach
Worldwide Clients
Chongqing Chemtech Facility

Our Journey

1

1998 – Vinyl Resin Production Begins

Foundation of Chemtech Group with initial focus on vinyl resin development.

2

2001 – Polyvinyl Butyral Line Launched

Expansion into advanced polymer materials with PVB production.

3

2004 & 2005 – CPP Development

Launch of Chlorinated Polypropylene (CPP) technology.

4

2010 – Kunshan Chemtech Founded

Establishment of a key manufacturing and R&D hub.

5

2014 – Chongqing Chemtech Founded

Specialized facility for chloroprene and chlorinated rubber production.

Our Products

High-performance industrial materials engineered for durability, reliability, and compatibility with global standards.

Chloroprene Rubber CR-230

Chloroprene Rubber CR-230

General-purpose polychloroprene with excellent oil, heat, and weather resistance.

  • Tensile Strength: ≥20 MPa
  • Elongation: ≥500%
  • Mooney Viscosity: 40–60
  • Replaces: Denka Neoprene W
Chloroprene Rubber CR-321

Chloroprene Rubber CR-321

High crystallization grade for superior mechanical strength and fast curing.

  • Tensile Strength: ≥24 MPa
  • Elongation: ≥450%
  • Mooney Viscosity: 50–70
  • Replaces: Lanxess Baypren 160
Chlorinated Rubber 80%

Chlorinated Rubber 80%

High-chlorine content resin for corrosion-resistant coatings and marine paints.

  • Chlorine Content: 65–69%
  • Solubility: Xylene, Toluene
  • Viscosity: 100–150 cP
  • Replaces: Dupont Parlon S-10
Chlorinated Rubber 65%

Chlorinated Rubber 65%

Medium-chlorine grade for industrial maintenance and protective coatings.

  • Chlorine Content: 62–66%
  • Solubility: MEK, Acetone
  • Softening Point: 85–95°C
  • Replaces: Synthomer Chlorinate 65
CR Latex Emulsion

CR Latex Emulsion

Water-based chloroprene dispersion for adhesives and dipped goods.

  • Solids Content: 58–62%
  • pH: 8.5–10.5
  • Stability: >72 hrs at 50°C
  • Applications: Gloves, adhesives, textiles
CPP Resin

Chlorinated Polypropylene (CPP)

Adhesion promoter for coatings on polyolefin substrates.

  • Chlorine Content: 25–32%
  • Solubility: Aromatic solvents
  • Applications: Automotive, packaging
  • Replaces: Eastman CP343-1
CR-450 Specialty Grade

CR-450 Specialty Grade

Low crystallization, high damping rubber for vibration control.

  • Damping Factor: >0.25
  • Mooney Viscosity: 30–50
  • Applications: Mounts, bushings, seals
  • Replaces: Denka Neoprene 705
CR-120 Green Grade

CR-120 Green Grade

Environmentally optimized formulation with reduced impurities.

  • Mooney Viscosity: 35–55
  • Heavy Metals: <10 ppm
  • Compliance: REACH, RoHS
  • Applications: Food-grade seals, medical

Why Choose Chongqing Chemtech

We combine advanced technology, rigorous quality control, and customer-focused service to deliver unmatched value.

Product Quality

Strict quality control from sample to bulk production. Every batch tested for consistency and performance.

Cost-Effective

Competitive pricing without compromise on quality, helping you win in your market.

Supply Capacity

Self-directed production and professional supply chain ensure stable, timely delivery.

Customized Services

Tailored formulations, technical support, and complete after-sales service platform.

20+
Years Experience
500+
Global Clients
10+
Countries Served
99.8%
On-Time Delivery

Frequently Asked Questions

What industries use your chloroprene rubber?

Our CR products are widely used in automotive (hoses, belts), construction (seals, gaskets), industrial manufacturing, and consumer goods (gloves, footwear).

Can you match competitor formulations?

Yes. Our R&D team can develop custom grades to match or exceed the performance of Denka, Lanxess, Dupont, and other leading brands.

Do you offer technical support?

Absolutely. We provide full technical documentation, application guidance, and on-site support when needed.

What certifications do you hold?

Our production follows ISO standards with regular third-party HSE testing. We comply with REACH, RoHS, and other international regulations.

What is your minimum order quantity (MOQ)?

MOQ varies by product but typically starts at 500 kg. We are flexible and can accommodate trial orders for new customers.

Get in Touch

Reach out for product inquiries, technical support, or custom solutions.

Xiyong Industrial Park, Chongqing High-Tech District, Chongqing, China
+86 23 6555 9535
info@cq-chemtech.com
Mon-Fri: 9:00 AM – 7:00 PM | Sat-Sun: 10:00 AM – 2:00 PM
Visit Official Website

We will reply within 24 hours.

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