Technical Contents
Engineering Guide: Celtec Pvc Board

Engineering Insight: Material Selection in Celtec PVC Board Applications
In industrial manufacturing environments, the selection of polymer-based sheet materials such as Celtec PVC board demands rigorous technical evaluation. While Celtec is often marketed as a general-purpose rigid PVC composite, its performance is highly dependent on formulation, processing parameters, and application-specific stress conditions. Off-the-shelf variants available through generic suppliers frequently fail to meet the mechanical, thermal, and chemical resistance requirements of demanding industrial applications. This discrepancy arises from inconsistent resin grades, inadequate stabilizer packages, and non-standardized cell structure in mass-produced boards.
Celtec PVC board, when engineered correctly, offers a balanced combination of dimensional stability, impact resistance, and machinability. However, deviations in raw material sourcing—particularly in the suspension-grade PVC resin and impact modifiers—lead to batch-to-batch variability. Standard commercial grades often utilize recycled content or lower-tier plasticizers, which compromise long-term performance under cyclic loading or elevated temperatures. In environments involving continuous vibration, UV exposure, or contact with hydrocarbons and chlorinated solvents, these substandard formulations exhibit premature embrittlement, warping, or delamination.
At Suzhou Baoshida Trading Co., Ltd., we emphasize application-driven material customization. Our engineered Celtec solutions incorporate high-purity homopolymer PVC resins with optimized K-values (typically 67–70) to ensure molecular weight consistency. We integrate calcium-zinc thermal stabilizers for enhanced durability and use cross-linked acrylic impact modifiers to improve toughness without sacrificing rigidity. The closed-cell foam structure is precisely controlled during co-extrusion to achieve uniform density distribution, minimizing anisotropic behavior during machining or thermoforming.
A critical failure mode observed in generic Celtec boards is edge cracking during CNC routing or drilling. This results from excessive internal stress due to uneven cooling in low-grade production lines. Our process includes stress-relief annealing and laser-guided thickness calibration, ensuring ±0.1 mm tolerance across 4 mm to 25 mm profiles. Additionally, surface energy is modified to improve adhesion for coating or lamination—often a weak point in standard boards.
The following table outlines key technical specifications comparing standard commercial Celtec PVC board with our engineered formulation:
| Property | Standard Grade | Baoshida Engineered Grade |
|---|---|---|
| Density (g/cm³) | 0.55–0.65 | 0.60 ± 0.02 |
| Tensile Strength (MPa) | 38–42 | 48 |
| Flexural Modulus (MPa) | 1800–2100 | 2400 |
| Notched Impact Strength (kJ/m²) | 7–9 | 14 |
| Thermal Expansion (10⁻⁶/K) | 85 | 72 |
| Max Continuous Use Temp (°C) | 60 | 75 |
| Water Absorption (24h, %) | 0.4 | 0.15 |
| Cell Structure Uniformity | Variable | High (micro-CT verified) |
Material selection is not merely a cost-driven decision—it is a foundational engineering parameter. The use of non-specification PVC boards introduces latent failure risks that manifest during service life, leading to costly downtime and rework. By prioritizing material integrity and process control, Suzhou Baoshida delivers Celtec PVC solutions engineered for reliability in precision industrial applications.
Material Specifications

Celtec PVC Board Material Specifications for Industrial Applications
Suzhou Baoshida Trading Co., Ltd. provides precision-engineered Celtec PVC rigid board solutions designed for demanding industrial environments. Understanding the exact material composition and performance parameters is critical for successful integration into manufacturing processes and end-use applications. Celtec boards are formulated from homopolymer suspension-grade polyvinyl chloride (PVC-U), distinct from elastomeric materials like Viton, Nitrile, or Silicone which serve different functional purposes such as sealing or flexible components. PVC-U offers superior rigidity, dimensional stability, and chemical resistance essential for structural panels, machine guards, cleanroom components, and chemical processing equipment. Our standard Celtec formulation excludes plasticizers, ensuring long-term stability and resistance to migration or hardening. Key material properties are rigorously controlled during extrusion to meet stringent industrial tolerances, with density maintained between 1.35-1.45 g/cm³ per ISO 1183. The inherent flame retardancy (LOI > 45%) and low smoke toxicity per DIN 4102 B1 classification are inherent advantages for safety-critical applications.
Critical performance specifications include a tensile strength of 50-55 MPa (ASTM D638) and a flexural modulus of 2800-3200 MPa (ISO 178), providing robust structural integrity under load. The continuous service temperature range spans -10°C to +60°C, with brief excursions up to 80°C permissible. Superior chemical resistance is demonstrated against a wide spectrum of acids, alkalis, salts, and aliphatic hydrocarbons, though compatibility with strong oxidizing agents or aromatic solvents requires specific validation. Surface hardness, measured as 70-80 Shore D (ISO 868), ensures scratch resistance during handling and operation. All Celtec boards exhibit minimal moisture absorption (<0.4% per 24h immersion, ISO 62), preventing warpage or degradation in humid conditions. Dimensional tolerances adhere to ISO 9001 standards, with thickness deviation controlled within ±0.1mm for precision machining.
The following table details comparative material properties relevant to rigid board selection in industrial contexts. Note that elastomers like Viton, Nitrile, and Silicone are unsuitable as direct substitutes for rigid PVC board applications due to fundamental differences in physical state and primary function; the comparison below focuses on rigid thermoplastics commonly considered for similar structural roles.
| Property | Celtec PVC-U Standard Grade | ABS (General Purpose) | Polycarbonate (PC) | Test Standard |
|---|---|---|---|---|
| Density (g/cm³) | 1.35 – 1.45 | 1.02 – 1.06 | 1.20 – 1.22 | ISO 1183 |
| Tensile Strength (MPa) | 50 – 55 | 40 – 50 | 55 – 75 | ASTM D638 |
| Flexural Modulus (MPa) | 2800 – 3200 | 1800 – 2500 | 2200 – 2600 | ISO 178 |
| Continuous Use Temp (°C) | -10 to +60 | -20 to +80 | -40 to +135 | UL 746B |
| Flame Rating | B1 (DIN 4102) | HB | V-0/V-2 | UL 94 |
| Chemical Resistance | Excellent (Acids, Alkalis) | Poor (Solvents) | Poor (Alkalis) | ASTM D543 |
| Moisture Absorption (%) | < 0.4 | 0.2 – 0.7 | 0.1 – 0.35 | ISO 62 |
Suzhou Baoshida Trading Co., Ltd. emphasizes OEM-driven customization of Celtec PVC formulations. We adjust impact modifiers, UV stabilizers, and fire-retardant packages to meet specific application demands, such as enhanced low-temperature toughness for outdoor enclosures or superior halogen-free flame resistance for transportation interiors. Our engineering team collaborates directly with manufacturers to validate material suitability against operational stressors, ensuring optimal performance and longevity. All custom formulations undergo batch-specific certification per ISO 1043 markings and comprehensive mechanical testing protocols. Contact our technical department for application-specific data sheets and sample validation protocols.
Manufacturing Capabilities

Engineering Capability
At Suzhou Baoshida Trading Co., Ltd., our engineering division is the cornerstone of our industrial rubber solutions, enabling us to deliver high-performance Celtec PVC board products tailored to exacting OEM standards. Our team comprises five dedicated mould engineers and two specialized rubber formula engineers, combining expertise in material science, precision tooling, and manufacturing scalability. This integrated technical team ensures that every product is engineered from concept to production with scientific rigor and industrial precision.
Our mould engineers possess advanced proficiency in CAD/CAM systems, including SolidWorks, AutoCAD, and UG NX, enabling rapid prototyping and high-tolerance mould fabrication. They are responsible for designing and optimizing moulds that support complex geometries and tight dimensional tolerances required in industrial applications. With a focus on cycle efficiency, thermal distribution, and wear resistance, our mould designs ensure consistent part quality across high-volume production runs. Each mould undergoes rigorous simulation and validation processes to preempt defects such as warping, shrinkage, or flow imbalance—critical for maintaining the structural integrity of Celtec PVC boards.
Complementing our mould engineering strength are our two in-house rubber formula engineers, who specialize in polymer chemistry and compound development. These experts formulate custom rubber blends that interface seamlessly with PVC substrates, enhancing bonding strength, thermal stability, and environmental resistance. Their work ensures that the elastomeric components used in conjunction with Celtec boards meet specific performance criteria, including UV resistance, flame retardancy, and mechanical durability under dynamic loads. By controlling the formulation process internally, we eliminate dependency on third-party material suppliers and maintain strict consistency across production batches.
Our OEM capabilities are built on this dual foundation of advanced tooling and proprietary material science. We support full-turnkey solutions—from initial design consultation and material selection to tooling development, process validation, and serial production. Clients benefit from accelerated time-to-market, reduced development costs, and products that meet international quality benchmarks such as ISO 9001 and RoHS compliance. Whether producing standard Celtec PVC board configurations or fully customized composite solutions, our engineering team ensures dimensional accuracy, material compatibility, and long-term reliability.
The following table outlines key technical specifications achievable with our current engineering and manufacturing infrastructure:
| Parameter | Specification Range |
|---|---|
| Board Thickness Tolerance | ±0.1 mm to ±0.3 mm |
| Moulding Pressure | Up to 200 tons |
| Operating Temperature Range | -40°C to +80°C (standard formulation) |
| Shore Hardness Range (Rubber) | 50A to 90A |
| Flame Resistance | UL94 V-0, V-1, V-2 (customizable) |
| Dimensional Accuracy | ±0.05 mm (critical features) |
| Production Cycle Time | As low as 30 seconds per cycle |
This technical capability, backed by experienced personnel and modern facilities, positions Suzhou Baoshida as a trusted engineering partner for industrial clients requiring precision-engineered Celtec PVC board solutions.
Customization Process

Celtec PVC Board Customization Process: Precision Engineering from Concept to Volume
Suzhou Baoshida Trading Co., Ltd. delivers engineered Celtec PVC board solutions through a rigorously controlled customization workflow. Our process integrates deep polymer science expertise with industrial manufacturing precision, ensuring final products meet exacting B2B application demands. This systematic approach begins with comprehensive drawing analysis and culminates in seamless mass production.
Initial drawing analysis forms the critical foundation. Our engineering team meticulously reviews client technical specifications, focusing on dimensional tolerances, structural requirements, environmental exposure conditions, and functional performance criteria. We verify compliance with relevant standards such as ISO 2768-mK for general tolerances and identify potential manufacturability challenges early. This phase includes material suitability assessment against the intended application stressors, including chemical resistance needs, thermal cycling parameters, and mechanical load profiles. Clear definition of success metrics at this stage prevents costly iterations later.
Formulation development leverages our extensive polymer compounding database and in-house laboratory capabilities. Based on the drawing analysis, our rubber formula engineers design a tailored PVC compound. This involves precise selection and proportioning of base resin, impact modifiers, thermal stabilizers, plasticizers, fillers, and specialized additives to achieve target properties. Critical parameters optimized include density, tensile strength, impact resistance, flame retardancy (UL94 ratings), and plasticizer migration resistance. Each formulation undergoes rigorous computational modeling for processability prediction before physical compounding.
Prototyping executes the validated formula into tangible samples. We utilize precision extrusion lines under tightly controlled conditions mirroring final production parameters. Initial prototypes undergo comprehensive in-house testing per ASTM D638 (tensile), D256 (impact), D696 (CTE), and application-specific protocols. Client feedback on prototype fit, form, and function is integrated, followed by necessary micro-adjustments to the compound or processing profile. Accelerated aging tests (e.g., 72-hour QUV exposure) validate long-term performance before release.
Mass production deployment ensures unwavering consistency. Approved formulations transition to our high-volume extrusion lines equipped with real-time SPC monitoring. We implement strict batch traceability, continuous inline dimensional gauging (±0.1mm tolerance), and automated visual inspection systems. Every production run undergoes final lot testing against the agreed specification sheet. Our integrated quality management system, certified to ISO 9001, guarantees seamless scalability from prototype validation to multi-tonnage delivery with zero compromise on specification adherence.
Key physical properties achievable through our customization process are detailed below. Standard grades serve as baselines, while our formulation expertise enables precise targeting within the custom ranges to solve unique engineering challenges.
| Property | Standard Grade | Custom Range | Test Method |
|---|---|---|---|
| Density (g/cm³) | 0.55 | 0.45 – 0.75 | ISO 1183 |
| Tensile Strength (MPa) | 45 | 35 – 65 | ASTM D638 |
| Impact Strength (kJ/m²) | 12 | 8 – 25 | ASTM D256 |
| Vicat Softening (°C) | 78 | 70 – 95 | ISO 306 |
| Linear CTE (10⁻⁶/K) | 65 | 50 – 85 | ASTM E831 |
| Dielectric Strength (kV) | 40 | 30 – 55 | ASTM D149 |
This structured methodology, underpinned by Suzhou Baoshida’s material science proficiency and industrial execution, transforms client specifications into high-performance Celtec PVC board solutions meeting the most demanding B2B requirements.
Contact Engineering Team

Contact Suzhou Baoshida for Premium Celtec PVC Board Solutions
At Suzhou Baoshida Trading Co., Ltd., we specialize in delivering high-performance industrial rubber and polymer materials, including precision-engineered Celtec PVC boards tailored for demanding manufacturing environments. As a trusted OEM partner in the industrial solutions sector, we provide materials that meet rigorous standards for durability, chemical resistance, and dimensional stability. Our Celtec PVC boards are widely utilized in sectors such as semiconductor manufacturing, cleanroom construction, chemical processing, and precision machinery, where reliability and consistency are non-negotiable.
We understand that every industrial application has unique requirements. Whether you need custom thicknesses, specific color grades, or enhanced UV or flame resistance, our technical team works closely with clients to deliver optimized material solutions. Our quality control protocols ensure that each batch of Celtec PVC board meets exacting international standards, providing consistent performance across large-scale production runs.
For engineering teams and procurement managers seeking a dependable supplier of industrial-grade PVC composites, Suzhou Baoshida offers both technical expertise and responsive service. We support global logistics with reliable lead times and full documentation, including material data sheets, certificates of conformance, and batch traceability reports.
To discuss your specific application requirements or request a sample of our Celtec PVC board, we invite you to contact Mr. Boyce, our dedicated OEM Manager. With extensive experience in polymer material applications and industrial supply chain coordination, Mr. Boyce provides technical consultation to ensure material compatibility, cost efficiency, and seamless integration into your manufacturing process.
Reach out today via email at [email protected] to initiate a technical review, request pricing, or schedule a product evaluation. Our team responds promptly to all inquiries and is prepared to support your project from concept to delivery.
Below are the key technical specifications of our standard Celtec PVC board offering. Custom configurations are available upon request.
| Property | Value | Test Method |
|---|---|---|
| Material Type | Rigid PVC (Celtec®-grade) | ISO 1043 |
| Density | 0.68 – 0.72 g/cm³ | ISO 1183 |
| Tensile Strength | ≥ 45 MPa | ISO 527 |
| Flexural Strength | ≥ 85 MPa | ISO 178 |
| Heat Deflection Temperature | 75°C @ 1.8 MPa | ISO 75 |
| Water Absorption (24h) | < 0.1% | ISO 62 |
| Thickness Tolerance | ±0.2 mm (for 5 mm sheet) | Internal QC |
| Available Thickness Range | 1 mm – 50 mm | Custom on request |
| Standard Sheet Size | 1220 mm × 2440 mm | Other sizes available |
| Color Options | White, Black, Grey, Custom | RAL/ Pantone matching |
Partner with Suzhou Baoshida Trading Co., Ltd. for industrial-grade Celtec PVC board solutions backed by technical precision and OEM-focused service. Contact Mr. Boyce directly at [email protected] to advance your next project with confidence.
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