描述
Hostaform M25-45XAP is a high viscosity, UV stabilized, low emission POM‑C (Polyoxymethylene Copolymer) grade, genuinely manufactured by Celanese and imported as original product. As an authorized distributor and trader, we supply genuine material with full traceability and direct access to official Celanese technical documentation.
This unfilled acetal copolymer is a UV stabilized material displaying high viscosity compared to standard UV acetal copolymer grades such as Celcon® M90-45H. It exhibits lower volatile emissions as required for some automotive interiors.
Hostaform M25-45XAP offers overall excellent performance in applications requiring UV stability, high melt strength, and low emissions. It is suitable for injection molding processing. We hold regular stock, supporting small trial orders and large‑volume bulk shipments for demanding end‑users.
Key Features of Hostaform M25-45XAP
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UV Stabilized – Excellent UV resistance for long-term color stability and weathering resistance, ideal for automotive interior applications
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High Viscosity / High Melt Strength – MVR of 2.2 cm³/10min (190°C/2.16kg), providing excellent melt stability
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Low Volatile Emissions – Lower volatile emissions as required for some automotive interiors
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High Stiffness – Tensile modulus of 2500 MPa for excellent structural performance
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Good Strength – Tensile stress at yield of 63 MPa
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Good Impact Resistance – Charpy notched impact strength of 8 kJ/m² at 23°C
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Good Heat Resistance – Melting temperature of 166°C and heat deflection temperature of 90°C at 1.8 MPa
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Excellent Chemical Resistance – Resistant to solvents, fuels, and strong alkalis
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Low Moisture Absorption – Water absorption of 0.75% ensures dimensional stability
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Heavy‑Metal Free – Environmentally friendly formulation
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Contains Release Agent – Facilitates easy demolding during processing
Typical Applications for Hostaform M25-45XAP
| Industry | Typical Components & Considerations |
|---|---|
| Automotive Interior | Interior trim components, instrument panel parts, air vent louvers, decorative parts requiring UV stability, low emissions, and long-term color stability |
| Automotive | Gears, bearings, fuel system components, door locks, seat belt systems |
| Electrical & Electronics | Connectors, switches, coil formers, precision housings, low VOC components |
| Precision Engineering | Precision gears, bearings, connectors, fasteners, snap-fit components |
| Consumer Goods | Sporting equipment, personal care devices, toys requiring UV stability |
| Medical | Surgical instruments, drug delivery devices, diagnostic equipment components |
Explore our full range of engineering plastics solutions for more industry‑specific case studies. See also our full POM product portfolio .
Material Advantages of Hostaform M25-45XAP
What makes Hostaform M25-45XAP the preferred material for automotive interior and UV‑exposed applications? Below are its core practical advantages:
UV Stabilization for Long‑Term Performance
Hostaform M25-45XAP is a UV stabilized material designed to resist degradation from ultraviolet exposure, preventing discoloration, fading, and mechanical property change in severe UV environments. This makes it ideal for automotive interior and other UV‑exposed applications.
Low Volatile Emissions
The XAP designation indicates low emission technology, providing lower volatile emissions as required for some automotive interiors. This ensures compliance with stringent cabin air quality standards.
High Viscosity / High Melt Strength
With an MVR of 2.2 cm³/10min and high viscosity compared to standard UV acetal copolymer grades, this grade delivers excellent melt strength for demanding processing applications.
High Stiffness & Good Mechanical Properties
With a tensile modulus of 2500 MPa and yield stress of 63 MPa at 50mm/min, Hostaform M25-45XAP delivers reliable structural performance for load-bearing applications.
Good Thermal Stability
Melting temperature of 166°C and heat deflection temperature of 90°C at 1.8 MPa ensure thermal stability during processing and service.
Excellent Chemical Resistance
Outstanding resistance to solvents, fuels, strong alkalis, hydrolysis, fatigue, creep, moisture, and stress cracking.
Good Impact Resistance
Charpy notched impact strength of 8 kJ/m² at 23°C ensures durability.
Heavy‑Metal Free
Environmentally friendly formulation.
Batch‑to‑Batch Consistency
Celanese manufactures this grade under strict ISO quality standards for consistent property across shipments.
Reliable Supply
We maintain active inventory and stable supply chains. For more supply‑chain details, visit our company background page .
Typical Properties (ISO Standards)
Typical properties of Hostaform M25-45XAP measured to ISO standards are listed below:
| Property | Test Standard | Typical Value | Unit |
|---|---|---|---|
| Physical Properties | |||
| Density | ISO 1183 | 1410 | kg/m³ |
| Melt Volume Flow Rate (MVR) | ISO 1133 (190°C/2.16kg) | 2.2 | cm³/10min |
| Water Absorption (23°C/sat, 2mm) | Sim. to ISO 62 | 0.75 | % |
| Humidity Absorption (23°C/50% RH, 2mm) | Sim. to ISO 62 | 0.2 | % |
| Mechanical Properties | |||
| Tensile Modulus | ISO 527-1/-2 | 2500 | MPa |
| Tensile Stress at Yield | ISO 527-1/-2 | 63 | MPa |
| Tensile Strain at Yield | ISO 527-1/-2 | 11 | % |
| Flexural Modulus | ISO 178 | 2400 | MPa |
| Charpy Notched Impact (23°C) | ISO 179/1eA | 8 | kJ/m² |
| Poisson’s Ratio | – | 0.38 | – |
| Thermal Properties | |||
| Melting Temperature | ISO 11357-1/-3 | 166 | °C |
| Heat Deflection Temp (1.8 MPa) | ISO 75-1/-2 | 90 | °C |
| CLTE, Parallel | ISO 11359-1/-2 | 110 | E-6/K |
| CLTE, Normal | ISO 11359-1/-2 | 110 | E-6/K |
Important Notes on Typical Data:
Values listed are typical and sourced from Celanese official data sheets for Hostaform M25-45XAP. They do not constitute binding product specification.
Batch‑to‑batch deviations may exist. For critical applications, validate performance with batch‑specific COA certificate.
Final part performance depends on component design, molding parameters and end‑use environment.
Celanese original TDS shall serve as definitive technical reference. Request the latest official Hostaform M25-45XAP TDS from our sales team.
Processing Guidelines (Injection Molding)
Recommended processing parameters for Hostaform M25-45XAP:
| Parameter | Recommended Setting |
|---|---|
| Drying Recommended | No |
| Drying Temperature (if required) | 100 – 120°C |
| Drying Time (Dehumidified Dryer) | 3 – 4 hours |
| Max. Processing Moisture Content | ≤0.2% – 0.35% |
| Optimum Melt Temperature | 190°C |
| Min. Melt Temperature | 180°C |
| Max. Melt Temperature | 200°C |
| Screw Tangential Speed | ≤0.3 m/s |
| Optimum Mold Temperature | 100°C |
| Min. Mold Temperature | 80°C |
| Max. Mold Temperature | 120°C |
| Hold Pressure Range | 60 – 120 MPa |
| Back Pressure | 4 MPa |
Critical Processing Warnings for Hostaform M25-45XAP:
Drying: Drying is generally not required because acetal copolymers are not hygroscopic nor degraded by moisture during processing. Excessive moisture can lead to splay (silver streaking) in molded parts.
Screw Selection: Standard reciprocating screw injection molding machines with a high compression screw (minimum 3:1 and preferably 4:1) and low back pressure (0.35 MPa/50 PSI) are favored. Using a low compression screw (e.g., general purpose 2:1 compression ratio) can result in unmelted particles.
Thermal Degradation Risk: POM‑based material can decompose under excessive heat and release formaldehyde vapors. Guarantee sufficient ventilation; avoid overly long barrel residence times.
Material Purity Requirement: Strictly prevent cross‑contamination with other polymer grades. Contamination will degrade the UV stability, low emission, and high viscosity characteristics.
Regrind / Recycled Material Notice: We do not recommend adding regrind for this specialty grade. Reprocessing may compromise the UV stability and low emission advantages. If regrind usage is mandatory, keep percentage below 10% and complete pre‑validation testing first.
Storage Guidance: Store pellets in cool, dry conditions; keep sealed in original factory packaging whenever possible.
Related Products
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Explore Our Full POM Product Portfolio – Browse all POM copolymer and homopolymer grades we supply
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UV Stabilized POM Grades – Discover other UV stabilized grades for outdoor and automotive applications
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Low Emission POM (XAP Series) – Discover low VOC, low odor grades for automotive interior applications
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High Viscosity POM Grades – Discover other high melt strength grades for demanding applications
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POM for Automotive Applications – View grades specifically suited for automotive interior components
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About Our Company – Learn more about our supply capabilities and quality assurance
Technical Documents
We provide complete supporting documentation for material selection and compliance verification.
| Document Type | Description & Source |
|---|---|
| Celanese Official TDS | Complete physical, thermal, mechanical and processing properties of Hostaform M25-45XAP, issued by Celanese original. |
| Celanese Official SDS | GHS‑compliant chemical safety documentation, original Celanese document. |
| Celanese Distributor Authorization Certificate | Proof of our authorized‑distributor qualification for Celanese Hostaform series, available upon request. |
| VDA 275 Emission Test Report | Low volatile emissions compliance documentation for automotive interior applications. |
| UV Stability Test Report | Weathering and UV resistance performance data. |
| RoHS / REACH Compliance Declarations | Available upon customer request. |
| Processing & Molding Guide | Detailed molding operation guidance for high‑viscosity, UV stabilized POM. |
Request any document above by:
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Email:
ruiqingchem@gmail.com -
Online form: Our contact page
We reply within one working business day. Please clearly state material grade (Hostaform M25-45XAP) and document type you require.
External Reference
For further authoritative information, please visit the official Celanese Hostaform product portal and download the latest datasheet for Hostaform M25-45XAP.
FAQ
Q1: What is Hostaform M25-45XAP and what is it used for?
A: Hostaform M25-45XAP is a UV stabilized, high viscosity, low emission POM‑C (Polyoxymethylene Copolymer) grade. It displays high viscosity compared to standard UV acetal copolymer grades such as Celcon® M90-45H and has lower volatile emissions as required for some automotive interiors. It is widely used in automotive interior components (instrument panels, air vents, interior trim), automotive (gears, bearings, fuel system components, door locks, seat belt systems), electrical & electronics (connectors, switches, housings), precision engineering, and consumer goods requiring UV stability and low emissions.
Q2: What does “M25-45XAP” mean in the grade name?
A: M indicates high molecular weight / high viscosity; 25-45 denotes the product series; XAP indicates Celanese’s low emission technology for reduced VOC emissions and low odor. The grade is a UV stabilized material displaying high viscosity.
Q3: What makes this grade different from standard POM grades?
A: Hostaform M25-45XAP is a UV stabilized, high viscosity, low emission copolymer. It offers excellent UV resistance for long-term color stability, high viscosity (MVR 2.2 cm³/10min) for melt strength, and lower volatile emissions for automotive interior applications.
Q4: What are the key mechanical properties?
A: Tensile modulus 2500 MPa, tensile stress at yield 63 MPa, tensile strain at yield 11%, Charpy notched impact strength 8 kJ/m² at 23°C, melting temperature 166°C, and heat deflection temperature 90°C at 1.8 MPa.
Q5: What is the MVR?
A: Melt‑volume‑flow‑rate equals 2.2 cm³/10min measured under 190°C / 2.16 kg test condition.
Q6: Is this material UV stabilized?
A: Yes. Hostaform M25-45XAP is a UV stabilized material designed to resist degradation from ultraviolet exposure.
Q7: Is this material low emission?
A: Yes. The XAP designation indicates low emission technology, providing lower volatile emissions as required for some automotive interiors.
Q8: Is drying required before processing?
A: Drying is generally not required because acetal copolymers are not hygroscopic nor degraded by moisture during processing. If drying is needed (e.g., material exposed to moisture), recommended drying is 100-120°C for 3-4 hours.
Q9: What are recommended processing‑temperature windows?
A: Optimum melt temperature: 190°C; Melt temperature range: 180-200°C. Optimum mold temperature: 100°C; Mold temperature range: 80-120°C.
Q10: What is the recommended screw design?
A: Standard reciprocating screw injection molding machines with a high compression screw (minimum 3:1 and preferably 4:1) and low back pressure (0.35 MPa/50 PSI) are favored.
Q11: Can I buy this material and what is lead‑time?
A: Yes. Submit your inquiry via our quick inquiry form or email ruiqingchem@gmail.com, specify quantity, application and delivery address. Regular orders 1‑5 tons ship within 7‑10 working days after payment confirmation. Large‑volume or urgent orders can be negotiated separately.
Q12: What are limitations?
A: POM‑C does not resist strong mineral acids, powerful oxidizing agents, or continuous exposure to hot water >80°C. Consult our technical team for chemical‑compatibility data for your exact working environment.
CTA (Call to Action)
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To get precise quotation and professional technical support, please share these details:
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Required quantity (kg or tons)
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Destination port or delivery address
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Target application and part brief (automotive interior, gears, connectors, etc.)
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Core performance requirements (UV stability, low emission, stiffness, etc.)
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Document requirement (TDS, SDS, VDA 275 emission report, UV stability report, compliance certificates, etc.)
Sample Policy:
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Samples are for laboratory validation tests only, not for mass‑production use.
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Buyer bears international sample‑shipping freight.
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If bulk‑material performance deviates from sample reference, Celanese official TDS serves as authoritative benchmark.
Take action now:
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Send Inquiry – Use our quick inquiry form
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Email Us –
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Live Chat – Click bottom‑right chat widget to speak directly with our team
After-Sales Support
| Service | Details |
|---|---|
| Quality Inspection Period | All quality‑related claims must be submitted within 7 working‑days after delivery, supported by test data and photographic evidence. |
| Return / Exchange Policy | Confirmed material defects caused by our side trigger replacement or refund. Terms and conditions apply. Please check our full Terms & Conditions. |
| Logistics Damage | Report shipping damage directly to carrier immediately upon goods receipt. We assist with claim‑document preparation. |
| Technical Support | Remote technical guidance available. On‑site molding troubleshooting service can be arranged upon special request. |
| Export Documentation | We supply standard export documents: commercial invoice, packing list, bill of lading, COA. Additional compliance certificates (e.g., VDA 275 emission reports, UV stability reports) can be provided on request. |
Disclaimer
DISCLAIMER: All technical data is referenced from original Celanese typical values for Hostaform M25-45XAP. Our company acts as authorized distributor/trader rather than original manufacturer. Final component performance depends on part geometry, molding setup and end‑use environment. Buyers shall independently validate material suitability for individual applications. Our firm bears no liability for finished‑part failure caused by improper design or improper processing. Always reference latest Celanese official TDS of Hostaform M25-45XAP as definitive specification.
