Kingflex Kingflex

China HVAC Refrigerant Pipe Insulation Pricelist & Quotes

The Comprehensive Industrial White Paper on Closed-Cell Elastomeric Nitrile Foam, Supply Chain Resilience & Global Procurement Strategies

Premium HVAC Refrigeration Insulation Portfolio

Discover direct factory quotes and custom structural dimensions for modern building envelopes
China Kingflex insulation tube excellent performance

China Kingflex insulation tube excellent performance meets different applications Pricelist, Quotes

High-grade flexible NBR rubber foaming with zero moisture permeability. Designed for long-term thermodynamic stability.

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China 25mm Thickness Rubber Foam Sheet Roll

China 25mm Thickness Rubber Foam Sheet Roll Manufacturers, Suppliers

25mm high-density thermal acoustic barrier rolls. Perfect for direct wrapping of large-diameter HVAC ducts and industrial machinery.

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Wholesale KingFlex 6mm-40mm thick Fire Retardant Nitrile Foam Insulation Tube

Wholesale KingFlex 6mm-40mm thick Fire Retardant Nitrile Foam Insulation Tube Manufacturer, Manufacturers

Standard class 0 / class 1 safety flame-resistant insulation. Customized dimensions available from 6mm to 40mm thick walling.

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China Kingflex insulation tube flexible closed-cell elastomeric

China Kingflex insulation tube is a flexible closed-cell elastomeric nitrile foamed insulation Supplier, Pricelist

Elastic and flexible structure reducing piping resonance vibrations. Features high chemical resistance under outdoor environments.

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China Elastomeric Insulation For Ultra Low Temperature Pipeline

China Elastomeric Insulation For Ultra Low Temperature Pipeline Suppliers, Factories

Advanced elastomeric system for low-temp process chemical loops. Prevents extreme pipe freeze-up and outer surface condensation.

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Wholesale Elastomeric Insulation For Ultra Low Temperature System

Wholesale Elastomeric Insulation For Ultra Low Temperature System Factory, Quotes

Optimized cell-orientation preventing thermal bridge in cryogenic setups. Certified for strict energy efficiency programs.

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Wholesale Closed Cell Rubber Foam Insulation Tube

Wholesale Closed Cell Rubber Foam Insulation Tube Supplier, Suppliers

Pliable structural configuration reducing installation times on complex junctions and piping bends.

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Wholesale Kingflex rubber insulation pipe

Wholesale Kingflex rubber insulation pipe Factories, Quotes

Engineered for high service life, preventing ambient thermal transfer inside critical VRV/VRF cooling systems.

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Global HVAC Pipe Insulation Development & Technical Demands

The international HVAC & Refrigeration sector is undergoing an unprecedented shift toward maximum thermal containment and strict eco-compliance. Under the Kigali Amendment and global net-zero building directives, traditional heating and cooling pipe insulation can no longer rely on simplistic baseline configurations. Closed-cell rubber foam has replaced old-generation open-fiber material matrices due to its superior resilience against moisture ingress.

"With the rising integration of VRF (Variable Refrigerant Flow) structures operating at variable low temperatures, insulation materials must display a vapor permeability coefficient (μ-factor) that prevents condensation under high-humidity environments. Without this, latent thermal conductivity rises, costing operators thousands in energy dissipation."

Additionally, commercial procurement groups in regions like North America, Europe, and the Middle East demand rigorous fire safety ratings. Materials must comply with BS 476 Part 7 (Class 1 Surface Spread of Flame), UL 94, and ASTM E84 standard classifications. This dual demand for thermal safety and low thermal conductivity (λ ≤ 0.034 W/m·K at 0°C) shapes the engineering specifications of modern projects.

HVAC Insulation Development Trends
40+
Years Industry Legacy
66+
Countries Exported
600K+
Annual m³ Capacity
230+
Active Industrial Workers
Kingflex Manufacturing Facility

Kingflex Insulation Co., Ltd.: Professional Combo of R&D and Manufacturing

Originating from the Jinwei Group—established in 1979 as the pioneering thermal insulation supplier north of the Yangtze River—Kingflex Insulation has established its legacy on engineering trust. Located in Dacheng, China—the recognized global capital of energy-efficient green-building materials—we operate as a centralized manufacturing and trading powerhouse.

Our core philosophy centers on industrial energy conservation and global environmental footprint reduction. We provide an all-inclusive service ecosystem encompassing pre-purchase consultancy, customized chemical-physical compound formulas, advanced extrusion manufacturing, step-by-step structural installation support, and active post-sale service.

Our operation is sustained by 8 professional R&D engineers, 6 international customer managers, and 230 qualified production workers operating state-of-the-art closed-cell thermal line configurations.

China Factory 4.0: Lean Production & Unmatched Supply Stability

How our automation guarantees stable pricing and resilient volume dispatch schedules

5 Large Automatic Assembly Lines

Equipped with computerized raw material dosing and multi-zone heating chambers. Ensures identical cellular density (40-55 kg/m³) across production batches.

Government-Designated OEM Supply

Kingflex is a designated energy-saving enterprise by the Ministry of Energy, Ministry of Electric Power, and the Ministry of Chemical Industry of the PRC.

Cryogenic Testing & R&D Lab

In-house laboratories that test real-time thermal performance from room temperatures down to cryogenic limits (-200°C) utilizing ASTM-compliant equipment.

Supply Chain Reliability in Global Sourcing

Global supply networks face constant disruptions. Our integration within China's raw chemical manufacturing corridor means we secure raw nitrile butadiene rubber (NBR) and polyvinyl chloride (PVC) stocks at predictable prices. Our massive warehousing and logistic centers in Dacheng enable rapid delivery to major maritime shipping lanes via Tianjin Port, minimizing lead times and buffer inventory costs for overseas contractors.

Kingflex R&D Lab Testing
Kingflex R&D Production
Quality Control Inspection

Kingflex Technical Specifications & Material Analysis

Engineered performance parameters verified by international testing bureaus

Closed-cell elastomeric insulation must prevent heat gain/loss while resisting environmental aging. The key to our material's longevity is a closed-cell structure exceeding 98%. By sealing off microscopic gas cells, the rate of convective heat transfer drops, and moisture cannot travel through the core matrix.

For applications in extreme sub-zero networks, such as liquefied gas pipelines or low-temperature industrial processes, our cryogenic lines prevent thermal shock and catastrophic piping failure. Our material keeps structural flexibility down to -40℃ (and custom formulas function at lower cryogenic levels) avoiding cracking caused by thermal movement.

Certificates ISO
BS476 Certificate
CE UL Certificate
Testing Report Certificate
Property / Characteristic NBR/PVC Elastomeric Foam Value Test Standard Compliance
Thermal Conductivity (λ) ≤ 0.034 W/(m·K) at 0 °C ASTM C518 / ISO 8301
Closed-Cell Ratio > 98.2% ASTM D2856
Water Vapor Diffusion Resistance (μ) ≥ 10,000 EN 12086 / ISO 12572
Density Range 40 - 55 kg/m³ ASTM D1622
Service Temperature Limit -40 °C to +105 °C ASTM C534
Fire Safety Rating Class 0 / Class 1, Self-Extinguishing BS 476 Part 7 / UL 94 V-0
Compression Resilience > 80% (Recovery rate under force) ASTM D1667

Black Rubber Foam Insulation Sheet Rolls

Our sheet roll options provide comprehensive surface coverage for air handling units (AHUs), rectangular air duct systems, and oversized tanks. The material conforms to complex profiles, minimizing seam leakage and lowering installation labor costs.

Roll Profile 1 Roll Profile 2 Roll Profile 3 Roll Profile 4
  • Standard Thicknesses: 6mm, 9mm, 13mm, 15mm, 19mm, 25mm, 32mm, 40mm, up to 50mm.
  • Standard Densities: 40-55kg/m³ matching global industrial engineering codes.
  • Key Applications: Wall, roof, basement, sound barriers, cold room systems, and high-capacity process piping.

Black Rubber Foam Insulation Pipes

Extruded to precise inner diameters, our insulation pipes slide over refrigeration tubing without structural tearing. The uniform cellular density helps maintain temperature settings throughout long plumbing runs.

Pipe Profile 1 Pipe Profile 2 Pipe Profile 3 Pipe Profile 4
  • Inner Diameter Range: 6mm to 114mm (compatible with standard copper and steel pipe sizes).
  • Wall Thickness Specs: 9mm, 13mm, 19mm, 25mm, 32mm, 40mm.
  • Key Applications: Split air conditioners, VRV/VRF systems, chilled water runs, heat pumps, and geothermal loops.

Commercial, Industrial & Infrastructure Engineering Applications

Engineered thermal barriers for diverse architectural designs and extreme environments

Central HVAC & VRF

Minimizes thermal transfer in refrigeration lines and chilled water pipes. Eliminates pipe sweating in humid areas, helping prevent water damage to ceilings and structural frames.

Heavy Industrial & Cryogenics

Controls low temperatures in chemical refineries, food processing plants, and cryogenic storage facilities. Protects operators from accidental contact with freezing surfaces.

Acoustic Dampening

Its elastomeric structure dampens mechanical vibrations and structural noise in equipment rooms, commercial complexes, healthcare facilities, and hotels.

Manufacturing Process Gallery

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E-E-A-T Evidence: Global Customer Conversations & Approvals

Unedited communication records verifying quality trust and shipment compliance
Customer Chat 1 Customer Chat 2 Customer Chat 3 Customer Chat 4 Customer Chat 5

Expert Q&A: HVAC Refrigerant Pipe Insulation Procurement

Critical engineering and trade answers for procurement managers and mechanical contractors
Q1: What is elastomeric rubber foam insulation used for?
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation. Its closed-cell design prevents condensation on cooling pipes and limits energy loss in thermal distribution setups.
Q2: Is Kingflex rubber foam insulation fire resistant?
Yes, our rubber foam insulation is fire retardant. It is designed to meet national and international building standards, including BS 476 Class 0/Class 1 and UL 94 safety requirements. When exposed to flame, the material is self-extinguishing and limits smoke generation.
Q3: What is the difference between rubber foam and rock wool insulation?
Rubber foam features a flexible, closed-cell structure that acts as a vapor barrier, making it highly effective for cold-water lines, HVAC systems, and environments prone to moisture accumulation. Rock wool is a high-temperature resistant, fibrous mineral structure suitable for steam piping, industrial high-heat chambers, and structural fire protection.
Q4: Do you provide customized insulation products?
Yes, we support OEM and custom services. We can adjust the inner diameter (ID), wall thickness, outer protective layers (such as aluminum foil or self-adhesive backings), density, and color to meet specific regional project requirements and architectural standards.
Q5: What certifications do your products have?
Our products are certified under BS 476, CE, REACH, RoHS, UL94, and ASTM standards. This ensures compatibility with regulatory requirements across markets in Europe, North America, the Middle East, and Asia-Pacific.
Q6: Does Kingflex products have traceability?
Yes, all shipped batches carry batch numbers and raw material verification reports. This systematic tracking covers production raw materials, extruder temperature configurations, curing schedules, and quality assurance inspections, ensuring high reliability for industrial projects.
Q7: What thickness of Rubber foam insulation sheet roll can you produce?
We produce sheet rolls in standard thicknesses from 6mm to 50mm. Thicker sheets are suited for heavy industrial cold storage insulation and acoustic dampening panels.
Q8: What is the service life of rubber plastic pipe and board?
Under typical indoor HVAC conditions and with proper installation, our materials have an expected service life of 10 to 15 years. Outdoor installations exposed to high UV levels will benefit from weather-resistant coatings or protective jacketing to maximize service life.
Q9: How are bulk industrial quotes calculated for global export?
Quotes are based on volume (cubic meters), material formulation (such as standard NBR or high-density industrial grades), custom cuts, packaging requirements, and the current cost of NBR raw materials. Standard export pricing terms include FOB Tianjin or CIF/CFR to destination ports.

Industrial Cryogenic & High-Density Foam Solutions

Premium insulation materials designed for heavy industrial processing and cryogenic systems
Wholesale Diolefin Flexible Rubber Foam Insulation Material

Wholesale Diolefin Flexible Rubber Foam Insulation Material For Cryogenic System Suppliers, Factories

Formulated for cryogenic piping down to -200°C. Protects against thermal cracking and cold transfer losses.

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Wholesale Kingflex rubber foam pipe low heat conductivity

Wholesale Kingflex rubber foam pipe has low heat conductivity Manufacturer, Suppliers

Highly flexible, low-conductivity pipe insulation. Designed for quick fitting on refrigeration lines.

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China Closed Cell NBR Rubber Foam Insulation

China Closed Cell NBR Rubber Foam Insulation Manufacturers, Quotes

Standard NBR rubber foam. Offers stable thermal barrier performance and high moisture resistance for commercial HVAC loops.

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Wholesale 3/4 thickness insulation pipe

Wholesale 3/4" thickness insulation pipe Manufacturers, Quotes

3/4" (19mm) wall thickness insulation pipes. Designed for high thermal resistance in humid environments.

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Wholesale Kingflex Thermal Insulation system

Wholesale Kingflex Thermal Insulation system for low temperature Supplier, Suppliers

Multi-layered system solutions engineered for sub-zero process systems and refrigeration lines.

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Wholesale Low temperature heat insulation synthetic rubber sheet

Wholesale Low temperature heat insulation synthetic rubber sheet elastomeric cryogenic insulation tube sheet roll Manufacturer, Factories

Rolls and tubes engineered for industrial cryogenics. Helps prevent ice formation and minimizes thermal losses.

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Wholesale Kingflex Low Density Rubber Foam Sheet

Wholesale Kingflex Low Density Rubber Foam Sheet Supplier, Factories

Flexible, lightweight sheets for ventilation duct wrap and irregular mechanical profiles.

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Wholesale NBR PVC RUBBER FOAM INSULATION SHEET

Wholesale NBR PVC RUBBER FOAM INSULATION SHEET Manufacturer, Factory

Durable NBR-PVC blend sheets. Provides high resistance to oils, ozone, and environmental wear on site.

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Team Internal Team Office Team Factory Work Rubber elastomeric foam insulation tube Corrosion Resistant Rubber Foam Insulation Tube Elastic Rubber Foam Insulation Pipe Black Rubber Foam Insulation Pipe Foam Rubber Foam Insulation Tube HVAC Rubber Foam Insulation Tube Elastomeric rubber foam insulation system for u Kingflex flexible insulation material for cryog Cryogenic rubber foam for low temperature and h Elastomeric cryogenic insulation for low temper Rock Wool Insulation Boad rock wool thermal insulation blanket Factory Certificate 1 Factory Certificate 2 Factory Certificate 3 Factory Certificate 4 Factory Certificate 5 Factory Certificate 6 Factory Certificate 7 Factory Certificate 8 Factory Certificate 9 Factory Certificate 10 Factory Certificate 11 Factory Certificate 12 Factory Certificate 13 Factory Certificate 14 Factory Certificate 15 Factory Certificate 16 Factory Certificate 17