Hostaform C 9021 M – MoS₂-Modified Tribological POM-C

描述

Hostaform C 9021 M is a molybdenum disulphide (MoS₂) modified tribological POM-C (Polyoxymethylene Copolymer) injection molding material, genuinely manufactured by Celanese and imported as original product. We supply this grade as an authorized distributor / trader, ensuring full traceability and access to official Celanese technical documentation.

This grade is specifically modified with molybdenum disulphide (MoS₂) , a solid lubricant that provides extremely low friction and excellent wear resistance for demanding sliding applications.

The “M” designation indicates tribological modification with MoS₂, delivering outstanding slip properties, high rigidity and hardness, and excellent resistance to stick-slip tendencies.

It exhibits outstanding chemical resistance (solvents, fuels & strong alkalis), hydrolysis resistance, fatigue resistance, creep resistance, moisture resistance, and stress cracking resistance. It also maintains toughness down to -40°C, offers good heat distortion temperature (up to 100°C), and provides higher stability to thermal and oxidative degradation compared to acetal homopolymers. With regular stock availability, we support both trial orders and bulk shipments for automotive, industrial, and precision engineering applications.

Key Features

Hostaform C 9021 M offers the following key performance benefits:

• MoS₂ Tribological Modification – The “M” grade is modified with molybdenum disulphide for extremely low friction and excellent wear resistance, making it ideal for high-pressure sliding applications.

• Very High Rigidity & Hardness – Provides excellent structural strength and surface hardness for demanding applications.

• Excellent Slip/Wear Properties – Exhibits very good slip properties and only a slight tendency to stick-slip, even under high surface pressure and low sliding speed conditions.

• Outstanding Chemical Resistance – Resistant to solvents, fuels, and strong alkalis.

• Good Hydrolysis Resistance – Maintains properties in moist environments.

• High Resistance to Thermal & Oxidative Degradation – Higher stability compared to acetal homopolymers.

• Excellent Fatigue, Creep & Stress Cracking Resistance – Ensures long-term performance under demanding conditions.

• High Toughness – Maintains toughness even at low temperatures (down to -40°C).

• Good Heat Resistance – Heat deflection temperature of 100°C at 1.8 MPa.

• Low Moisture Absorption – Ensures dimensional stability across varying environmental conditions.

• Heavy-Metal Free – Environmentally friendly formulation.

• Easy Colorization – Can be easily colored to meet specific design requirements.

• Regulatory Compliance – UL94 HB rated (natural, thickness >1.57mm); Temperature Index UL 746 B: electrical 105°C, mechanical 90°C (tensile impact) and 80°C (tensile); FMVSS 302 <100 mm/min (thickness >1mm); meets BMW GS 93016 automotive specification. Full SDS available upon request.

Typical Applications

Explore our full range of engineering plastics solutions for more industry-specific case studies.

Material Advantages

The following material advantages make Hostaform C 9021 M the preferred choice for tribological and high-pressure sliding applications:

• MoS₂ Solid Lubricant Technology – The molybdenum disulphide modification provides extremely low friction and excellent wear resistance without the need for external lubrication. This makes it ideal for applications where oil or grease cannot be used.

• Superior Stick-Slip Resistance – Exhibits only a slight tendency to stick-slip, ensuring smooth, consistent motion in precision mechanisms.

• High Rigidity & Hardness – Provides exceptional structural strength and surface hardness for demanding load-bearing applications.

• Excellent Chemical & Environmental Resistance – Outstanding resistance to solvents, fuels, strong alkalis, hydrolysis, fatigue, creep, moisture, and stress cracking.

• High Toughness – Maintains impact resistance and toughness even at low temperatures (down to -40°C).

• Good Thermal Stability – Higher stability to thermal and oxidative degradation compared to acetal homopolymers.

• Heavy-Metal Free – Environmentally friendly formulation.

• Batch-to-Batch Consistency – Produced by Celanese under strict ISO standards, ensuring stable properties across all shipments.

• Reliable Supply – We maintain inventory and a stable supply chain. For details on our supply capabilities, please see our company background .

Typical Properties (ISO Standards)

Typical properties of Hostaform C 9021 M measured per ISO standards are listed below:

Important Notes on Typical Data:

1. Values listed are typical and based on Celanese official data sheets. They do not constitute a product specification.

2. Batch-to-batch variations may occur. Confirm properties with specific batch certificate for critical applications.

3. Final product performance depends on part design, molding conditions, and end-use environment.

4. Celanese original TDS remains the definitive reference. For detailed data, request the latest official TDS for Hostaform C 9021 M from our team.

Processing Guidelines (Injection Molding)

The following injection molding parameters are recommended for Hostaform C 9021 M:

Critical Processing Warnings for Hostaform C 9021 M:

• Thermal Degradation: POM can decompose at high temperatures, releasing formaldehyde gas. Ensure adequate ventilation and avoid prolonged residence time in the barrel.

• Material Purity: Strictly avoid contamination with other polymers, as this will compromise the MoS₂-modified tribological properties.

• Regrind/Recycled Material: Adding regrind is not recommended for this specialty grade. MoS₂ additives can degrade during re-processing, compromising mechanical and tribological properties. If necessary, use a very small percentage (<10%) only with prior validation testing.

• Storage: Store in a cool, dry place and use sealed, original packaging when possible.

Related Products

• Explore Our Full POM Product Portfolio – Browse all POM copolymer and homopolymer grades we supply.

• MoS₂-Modified Tribological POM (M Series) – Discover low-friction, wear-resistant grades for high-pressure sliding applications.

• PTFE-Modified Tribological POM (TF Series) – Compare PTFE-modified low-friction alternatives.

• High-Performance POM-C Grades – Discover copolymer acetal options with enhanced impact and creep resistance.

• POM for Sliding & Wear Applications – View grades specifically suited for moving parts and tribological applications.

Technical Documents

We provide the following documentation to support your material selection and compliance needs:

To request any of the above documents, please contact us via:

• Email: ruiqingchem@gmail.com

• Online form: Our contact page

We will respond within 1 working day. Please specify the document type and material grade.

External Reference

For additional information, please refer to the official Celanese Hostaform product portal and the latest material datasheets. Key technical standards referenced in this document include:

• ISO 1043 / ISO 11469 – Resin identification and part marking

• ISO 1183 – Density measurement

• ISO 527-1/-2 – Tensile properties

• ISO 178 – Flexural properties

• ISO 179/1eA / 1eU – Impact resistance

• ISO 75-1/-2 – Heat deflection temperature

• ISO 1133 – Melt volume-flow rate

• ISO 11357-1/-3 – Melting temperature

• ISO 294-4 – Mold shrinkage

• ISO 2039-1 – Ball indentation hardness

• ISO 899-1 – Tensile creep modulus

• ISO 11359-1/-2 – Coefficient of thermal expansion

• IEC 62631 – Electrical properties

• UL94 – Flammability

• FMVSS 302 – Automotive flammability

• BMW GS 93016 – Automotive OEM specification

• VDA 275 – Emission testing (for XAP2 variant)

Our team can provide relevant excerpts from these standards for your reference.

FAQ

Q1: What is Hostaform C 9021 M and what is it used for?
A: It is a molybdenum disulphide (MoS₂) modified tribological POM-C (Polyoxymethylene Copolymer) injection molding material. The “M” designation indicates MoS₂ modification, providing extremely low friction and excellent wear resistance. It is specifically designed for sliding combinations with high surface pressure and low sliding speed where only a slight tendency to stick-slip is acceptable. It is widely used in automotive, industrial machinery, precision engineering, and electrical & electronics applications. Typical parts include sliding bearings, gears, wear pads, guide rails, seat adjustment mechanisms, and switch housings.

Q2: What does “M” mean in the grade name?
A: M stands for Molybdenum Disulphide (MoS₂) modification. This solid lubricant additive provides extremely low friction and excellent wear resistance, making it ideal for demanding tribological applications. The resin identification code is POM-K, M-GNS, 03-002.

Q3: What is the difference between Hostaform C 9021 M and PTFE-modified tribological grades (e.g., TF2)?
A: M series uses molybdenum disulphide (MoS₂) modification, which provides extremely low friction and excellent wear resistance, particularly suited for high surface pressure, low sliding speed applications. TF series uses PTFE modification, which provides lower friction coefficient and is generally suited for a broader range of sliding conditions. Choose M for high-pressure, low-speed applications where MoS₂’s load-bearing capacity is advantageous.

Q4: What are the regulatory compliances of this material?
A: Hostaform C 9021 M is UL94 HB rated (natural, thickness >1.57mm); Temperature Index UL 746 B: electrical 105°C, mechanical 90°C (tensile impact) and 80°C (tensile); FMVSS 302 burning rate <100 mm/min for thickness >1mm; meets BMW GS 93016 automotive specification. It is also heavy-metal free. Full compliance declarations are available upon request.

Q5: What are the key mechanical properties?
A: Tensile modulus of 2800 MPa, tensile stress at yield of 65 MPa, nominal strain at break of 20%, Charpy notched impact strength of 6 kJ/m², ball indentation hardness of 140 MPa, and heat deflection temperature of 100°C at 1.8 MPa.

Q6: Can I purchase this material and what is the lead time?
A: Yes, simply send your inquiry via our quick inquiry form or email us at ruiqingchem@gmail.com with your required quantity, application, and delivery address. Regular orders (1–5 tons) are typically delivered within 7–10 working days after order confirmation and payment receipt. Larger quantities or urgent orders can be discussed with our team.

Q7: What are the limitations of this material?
A: POM materials are not suitable for use with strong acids, strong oxidizing agents, or continuous high-temperature water (>80°C) . Please consult our technical team for chemical compatibility data for your specific use environment.

CTA (Call to Action)

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To provide you with an accurate quotation and technical support, please share the following information:

• Estimated quantity (kg or tons)

• Destination port or delivery address

• Intended application and part design (e.g., wall thickness, dimensions, sliding/wear requirements)

• Key performance requirements (e.g., friction coefficient, wear resistance, load conditions)

• Need for third-party testing or compliance documentation

Sample Policy:

• Samples are provided for laboratory testing and validation only and are not for mass production.

• International freight costs for samples are borne by the buyer.

• If bulk material shows typical batch-to-batch variation from the sample, Celanese official TDS shall be the definitive reference standard.

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After-Sales Support

We provide the following after-sales support to ensure a smooth procurement experience:

Disclaimer

DISCLAIMER: All data provided is for reference based on manufacturer (Celanese) typical values. Our company is an authorized distributor/trader, not a manufacturer. Final product performance depends on part design, processing, and end-use. User is responsible for evaluating material suitability for their specific application. We shall not be liable for end-product performance or design failures. Please refer to the latest official Celanese TDS for definitive specifications.