China Technical Foam Factories & Pricelist

Premium Closed-Cell Elastomeric Systems, HVAC Engineering Solutions & Global Procurement White Paper

Kingflex Insulation Co., Ltd.

A global joint manufacturing and trading conglomerate dedicated to sustainable thermal and cold insulation technologies.

600,000+
Annual Capacity (m³)
40+ Years
Group Industry Heritage
66+
Export Destinations
230+
Skilled Plant Personnel

Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products.

Our comprehensive research, development, and state-of-the-art production departments are situated within Dacheng, China—historically recognized as the capital of green-building materials. Concentrating efforts on energy-saving, environmentally responsible technologies, Kingflex operates with a foundational core concept: energy saving and consumption reduction.

We deliver structural and industrial solutions through every project stage—encompassing expert consulting, custom R&D, industrial-scale production, on-site installation guidance, and diligent post-sale engineering services designed to lead the trajectory of the global building materials market.

Milestones of Authority

Kingflex was established by the Jinwei Group, bringing over 40 years of structural manufacturing history. Founded originally in 1979, the group was pioneer-ranked as the first manufacturer of advanced thermal insulation materials north of the Yangtze River, building a multi-decade foundation of engineering expertise.

Kingflex Plant HQ
Corporate Manufacturing History

Global Procurement Challenges & Industrial Demands

Modern procurement directors within the HVAC, petrochemical, gas processing, and marine sectors operate under high regulatory and technical pressure. Procuring elastomeric insulation and technical foam requires meeting strict specifications to prevent system failure and thermal loss.

  • Thermal Conductivity (K-Value) Control: Ensuring stability at operating extremes (-40°C to 105°C and down to -196°C in cryogenic setups).
  • Moisture Permeability and Vapor Resistance: Preventing condensation beneath insulation, which causes structural corrosion (CUI - Corrosion Under Insulation).
  • Fire Safety & Non-Toxicity compliance: Adapting to localized standards such as British BS 476, European CE, and American ASTM or UL ratings.
  • Supply Chain Resilience: Demanding high volume production outputs from manufacturers to eliminate lead-time project penalties.

Kingflex addresses these needs by combining automated continuous-curing lines with rigorous, trace-tested QA protocols.

Technical Design Profiles & Spec Sheets

A deep engineering overview of Kingflex closed-cell elastomeric structures, tailored for industrial designers and estimation teams.

Black Rubber Foam Sheet Roll

  • Standard MaterialNBR / PVC Elastomeric Base
  • Thickness Range6mm to 50mm
  • Apparent Density40 to 55 kg/m³
  • Thermal Conductivity≤ 0.034 W/(m·k) at 0°C
  • Temperature Range-40°C to +105°C
  • Closed Cell Rate> 98%

Black Rubber Foam Pipe

  • Inner Diameter (ID)6mm to 114mm
  • Wall Thickness9mm to 40mm
  • Bending ElasticityHigh Flex / Non-Cracking
  • Moisture Permeabilityμ ≥ 10,000 (Vapor Barrier Built-in)
  • Flame Spread IndexClass 0 & Class 1 (BS 476)
  • Application SuitabilityChilled water & heating pipes

Cryogenic Elastomeric Systems

  • Working RangeDown to -196°C (LNG Phase)
  • Elastomeric ChoiceUltra-Low Temperature Di-olefin
  • Primary BenefitResists thermal shock & mechanical stress
  • Coating LayerOptional Foil / Anti-abrasion
  • Sound AbsorptionOptimal vibration dampening
  • Eco CredentialsZero ODP, Low VOC

Macro Industry Solutions

We provide thermal, cold, and acoustic management across diverse fields:

1. Commercial HVAC Systems: Reducing thermal exchange in supply air ducting and industrial chilled water networks. Keeps moisture out to avoid structural corrosion.

2. Marine and Offshore Engineering: Anti-corrosive, flame-resistant insulation systems designed for offshore conditions, salty sea spray, and physical vibration.

3. Low-Temperature Logistics & Cryogenics: Highly reliable barrier systems for liquid gas piping, specialized medical refrigeration plants, and dry ice shipping setups.

4. Heavy Chemical Processing: Protecting processing pipes against corrosion under insulation (CUI), chemical spills, and high operational temperatures.

Production Team Organization

Technical Application Framework

HVAC & Building Services

Centralized air conditioning chilled/hot pipes, supply ducts, architectural walls, structural roofs, machine rooms, and concrete basement foundations.

Petrochemical & Processing

High-pressure steam pipelines, raw chemical storage tanks, product transfer lines, and processing vessel thermal protection.

Specialist Cryogenics

Liquid natural gas (LNG) carrier systems, ultra-low temperature liquid systems, and processing lines down to liquefied air stages.

Advanced Manufacturing Lines & Technical R&D

Continuous investment in engineering, chemical R&D, and raw material formulation guarantees top-tier product output.

Kingflex maintains 8 dedicated research and development engineers along with a team of 6 international sales consultants.

Our research and development program develops formulations that balance performance and ease of installation. By focusing on raw material quality, vulcanization timing, and foaming controls, our products provide consistent cell wall density and structural stability.

Our laboratory facilities test for parameters such as thermal conductivity, closed-cell ratios, smoke density, fire behavior, and compression recovery. We collaborate with national engineering institutes to update our formulations to match evolving safety and environmental standards.

Certified Reliability & Global Compliance Standards

Our production facilities maintain certification under international verification schemes, providing reliable batch-to-batch consistency.

Passed BS 476, CE, REACH, RoHS, UL94, ASTM, and ISO 9001 standards.

Direct Customer Partnerships & Quality Check Verification

Our sales process prioritizes transparency, trace-testing records, and dedicated client services.

Verification Record 1
Verification Record 2
Verification Record 3
Verification Record 4
Verification Record 5 Verification Record 6 Verification Record 7

Global Engineering Reference Projects

Our solutions are specified globally across residential, commercial, industrial, and processing environments.

Project Reference 1 Project Reference 2 Project Reference 3 Project Reference 4

Our Manufacturing Base & Logistics Yards

Plant Operations 1 Plant Operations 2 Plant Operations 3 Plant Operations 4 Plant Operations 5 Plant Operations 6 Plant Operations 7 Plant Operations 8 Plant Operations 9 Plant Operations 10 Plant Operations 11 Plant Operations 12

Technical Roadmap & Decarbonization Outlook

Aligning manufacturing capabilities with global environmental requirements, green energy goals, and sustainable building codes.

01

Transitioning to Next-Gen Clean Foaming Technologies

Developing formulations that achieve zero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP) metrics. Our engineering team is currently moving production stages away from traditional HCFC-based auxiliary components toward water-blown and CO2 co-blowing platforms.

02

Low-Emission Voc formulations (Volatile Organic Compounds)

With tightening indoor air quality regulations across residential complexes, hospitals, and educational facilities, Kingflex prioritizes low-VOC elastomeric foams. Our materials meet Greenguard-level emissions thresholds for critical projects.

03

Circular Economy & Scrap Recyclability

Developing reclamation systems for scrap rubber, vulcanized waste, and installation trim. We aim to process production byproducts into acoustic underlays and vibration-isolation pads to support circular resource loops.

Technical & Commercial FAQ

Answers to common questions regarding specifications, applications, compliance, and custom ordering.

Q1: What is elastomeric rubber foam insulation used for?

A1: It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation and sound insulation.

Q2: Is Kingflex rubber foam insulation fire resistant?

A2: Yes, our rubber foam insulation are fire retardant, which meets the safety standards of building and industrial projects.

Q3: What is the difference between rubber foam and rock wool insulation?

A3: Rubber foam is flexible, closed-cell and moisture-proof, suitable for HVAC and building insulation; Rock wool is high-temperature resistant and fireproof, suitable for industrial high-temperature pipeline insulation.

Q4: Do you provide customized insulation products?

A4: Yes, we support OEM service to meet different project needs.

Q5: What certifications do your products have?

A5: Our products have passed BS 476 , CE, REACH, ROHS, UL94, ASTM and other international certifications, ensuring product quality and compliance with global standards.

Q6: Does Kingflex products have traceability?

A6: Yes, Kingflex products have traceability.

Q7: What thickness of Rubber foam insulation sheet roll can you produce?

A7: We can produce from 6mm to 50mm thickness.

Q8: What is the service life of rubber plastic pipe and board?

A8: It will be about 10 to 15 years.

Q9: How do your factories ensure consistency in cell size?

A9: Through continuous processing lines equipped with laser measurement feedback loops and temperature-controlled curing tunnels, we maintain standard cellular size distributions and high closed-cell ratios.

Q10: What are the primary factors affecting the wholesale price list?

A10: Wholesale pricing is determined by order volume, customized facing laminates (e.g., aluminum foil wraps), customized wall thicknesses, packaging requirements, and shifts in international elastomer raw material prices.

Black Rubber Foam Insulation Sheet Roll Specification Details

Material: NBR/PVC
Thickness: 6mm-50mm
Density: 40-55kg/m³
Service Temperature Range: -40℃ to 105℃

Advantage Metrics

1. Foams evenly and fully, closed cell rate over 98%, excellent thermal insulation.
2. Full closed-cell structure, low moisture absorption, stable long-term thermal conductivity.
3. Compression resilience over 80%
4. Flame retardant, self-extinguishing off fire.
5. Low thermal conductivity, high moisture resistance factor.

Black Rubber Foam Insulation Pipe Specification Details

Material: NBR/PVC
Thickness: 9mm-40mm
ID: 6mm-114mm
Density: 40-55kg/m³
Service Temperature Range: -40℃ to 105℃

Advantage Metrics

1. Foams evenly and fully, closed cell rate over 98%, excellent thermal insulation.
2. Professional pipe spraying equipment ensures even coating.
3. Compression resilience over 80%
4. Flame retardant, self-extinguishing off fire.
5. Low thermal conductivity, high moisture resistance factor.
6. Greatly reduce pipe freezing and cracking risks.

Additional Manufacturing Product Inventory Gallery

Direct output tracking images from our five automated manufacturing pipelines.

Technical Foam Specifications and Dimension Reference

A reference table mapping specific configurations of our rubber and mineral insulation product catalog.

Product Image / Spec Product Classification & Core Application Standard Thickness / Range
Rubber elastomeric foam insulation tube Rubber elastomeric foam insulation tube
Used for hot and cold HVAC pipelines to control thermal loss.
Wall Thickness: 9mm - 40mm
Corrosion Resistant Rubber Foam Insulation Tube Corrosion Resistant Rubber Foam Insulation Tube
Features weathering and UV-resistant outer skins to prevent corrosion under insulation.
Wall Thickness: 13mm - 40mm
Elastic Rubber Foam Insulation Pipe Elastic Rubber Foam Insulation Pipe
High-flexibility material designed for bends, elbows, and joints.
Inner Diameter: 6mm - 114mm
Black Rubber Foam Insulation Pipe Black Rubber Foam Insulation Pipe
Standard black NBR/PVC pipe insulation for commercial water loops.
Length: 1.83m / 2.0m standard
Foam Rubber Foam Insulation Tube Foam Rubber Foam Insulation Tube
Industrial grade closed-cell formulation for condensation control.
Wall Thickness: 9mm - 32mm
HVAC Rubber Foam Insulation Tube HVAC Rubber Foam Insulation Tube
Designed for central ventilation systems and cooling coils.
Wall Thickness: 6mm - 50mm
Elastomeric rubber foam insulation system Elastomeric rubber foam insulation system
Integrated system providing protection against moisture ingress.
System Thickness: Customizable
Kingflex flexible insulation material Kingflex flexible insulation material for cryogenics
Specially formulated for liquefied gas processing systems.
Cryogenic limits: -196℃
Cryogenic rubber foam Cryogenic rubber foam for low temperature
Maintains flexibility at very low temperatures.
Density: 50-65kg/m³
Elastomeric cryogenic insulation Elastomeric cryogenic insulation for low temp
Multi-layered designs configured for industrial piping systems.
Multi-layer configurations available
Rock Wool Insulation Board Rock Wool Insulation Board
High-temperature fire protection barrier designed for walls, kilns, and plant enclosures.
Density: 60-150kg/m³
rock wool thermal insulation blanket rock wool thermal insulation blanket
Flexible mineral fiber roll reinforced with wire mesh options.
Max Temp Limit: 650℃

Regional Support & Compliance Logistics

From initial design consultations to site execution, we support global procurement networks.

Quality Tracking & Batch Testing

Each shipment includes test reports documenting physical performance, fire spread behavior, and dimension consistency. Our trace-testing records connect raw materials, manufacturing lines, and final QA verification logs.

Custom OEM & Fabrication Options

We offer options such as self-adhesive backings, pre-cut pipe configurations, and factory-applied protective jacketing (e.g., aluminum foil wraps) to reduce on-site installation labor.