TPX DX310 – Transparent Heat-Resistant PMP Resin by Mitsui Chemicals

TPX DX310 is a transparent polymethylpentene (PMP) copolymer resin manufactured by Mitsui Chemicals, Inc. – the world‘s sole producer of TPX brand PMP resins. As an authorized distributor and trader, we supply genuine material with full traceability and direct access to official Mitsui Chemicals technical documentation. For more product options and company information, please visit our website at https://szrqchem.com/.

TPX is a crystalline polyolefin made from 4-methylpentene-1. Although it is a crystalline olefin polymer, it shows excellent transparency due to its unique molecular structure. TPX DX310 is a low modulus polymethylpentene having low density that offers an exceptional combination of properties:

• Excellent transparency equivalent to glass and acrylic (93% light transmittance)

• Lowest density among thermoplastic polymers – only 0.833-0.834 g/cm³

• Superior releasability – easy release from molds

• High gas permeability – suitable for various applications

• Low refractive index and low dielectric properties

TPX DX310 is recommended for processing by extrusion coating and is also suitable for fiber (spinning) extrusion.

The material is certified for food packaging materials by United States Code of Federal Regulations Title 21 (FDA) and Japan Hygienic Olefin and Styrene Plastics Association (JHOSPA).

Key Features of TPX DX310

• Lowest Specific Gravity Among Plastics – Density of only 0.833-0.834 g/cm³ – one of the lightest polymer materials among thermoplastics

• Superior Optical Clarity – Light transmittance of 93% with haze of 1.7-2.1%; refractive index of 1.463

• High Heat Resistance – Melting point of 224°C; Vicat softening point of 144-147°C

• Low Modulus / High Flexibility – Flexural modulus of 490-550 MPa; tensile modulus of 820-850 MPa

• Excellent Release Properties – Superior releasability; one of the lightest polymer materials

• Excellent Chemical Resistance – High durability against acid, alkali and alcohol; excellent steam resistance

• High Gas Permeability – Exhibits high gas permeability due to its unique molecular structure

• Low Refractive Index – Refractive index of 1.463; low dielectric property

• Excellent Electrical Properties – Volume resistivity >10¹⁶ Ω·cm; dielectric constant of 2.12-2.15 at 1MHz

• FDA Compliant – Certified for food contact applications per FDA 21 CFR

• Halogen-Free – Environmentally-friendly material

• Recommended for Extrusion Coating – Highly recommended for paper coating or fiber extrusion

• UL 94 HB – UL 94 flammability rating of HB

Typical Applications for TPX DX310

Material Advantages

TPX DX310 is a high-performance transparent resin that delivers:

• Recommended for Extrusion Coating – Highly recommended for paper coating and fiber extrusion applications

• High Gas Permeability – Exhibits high gas permeability due to its unique molecular structure

• Lightest Thermoplastic – With a density of only 0.833-0.834 g/cm³, TPX DX310 significantly reduces part weight compared to PC, PMMA, or glass

• Exceptional Clarity – 93% light transmittance rivals PMMA while offering superior heat resistance and chemical resistance

• Superior Releasability – Low surface tension simplifies mold release and reduces cleaning downtime

• Excellent Chemical Resistance – Strong against acids, alkalis, and alcohol; excellent steam resistance

• FDA Compliance – Approved for food contact, enabling use in food packaging and food processing applications

• Excellent Electrical Insulation – Low dielectric constant (2.12-2.15 at 1MHz) and high volume resistivity (>10¹⁶ Ω·cm)

• Proven Reliability – Manufactured by Mitsui Chemicals, the world’s sole producer of TPX resins

• Environmental Friendliness – Halogen-free polymer with low density that reduces transportation environmental load

Typical Properties

Important Notes on Typical Data:

• Values listed are typical and sourced from Mitsui Chemicals official data sheets. They do not constitute binding product specification.

• Batch-to-batch deviations may exist. For critical applications, validate performance with batch-specific COA certificate.

• Final performance depends on processing conditions, mold design, and part geometry.

• Mitsui Chemicals official TDS shall serve as definitive technical reference. Request the latest official TDS from our sales team.

Processing Guidelines

Critical Processing Warnings:

• Recommended Processing: TPX DX310 is highly recommended for extrusion coating (paper coating) and fiber (spinning) extrusion.

• Drying: TPX DX310 is not hygroscopic and typically does not require drying. If moisture is a concern, dry at 80-100°C for 2-3 hours.

• Extrusion Coating: This grade is specifically designed for extrusion coating applications.

• Melt Temperature: Recommended melt temperature range is 260-300°C. Lower processing temperatures and shorter residence times provide better physical properties.

• Gate Design: Pin gate is the most suitable for TPX molds due to excellent flowability. Avoid large gates that can cause residual stress and gate cracks.

• Cooling: Sufficient and well-balanced cooling channels are essential due to TPX’s crystalline nature and larger shrinkage compared to amorphous polymers.

• Surface Finish: Highly polished surfaces are recommended for excellent transparency.

• Regrind: Regrind can be used up to 20-30% with virgin material, provided it is clean and properly dried.

Related Products

• Explore TPX Transparent Resins – Browse all TPX resin options

• Explore Engineering Plastics – Browse all engineering plastic materials

• About Our Company – Learn more about our supply capabilities and quality assurance

Technical Documents

Request any document above by:

• Email: ruiqingchem@gmail.com

• Online form: Our contact page

We reply within one working business day. Please clearly state product (TPX DX310) and document type you require.

FAQ

Q1: What is TPX DX310 and what is it used for?
A: TPX DX310 is a low modulus, low density, transparent polymethylpentene (PMP) resin manufactured by Mitsui Chemicals. It combines excellent transparency (93% light transmittance), high gas permeability, superior releasability, and heat resistance (MP 224°C). It is highly recommended for extrusion coating (paper coating) and fiber extrusion applications. It is also widely used in FPC release films, rubber hose mandrels, LED molds, food containers, and medical/laboratory equipment.

Q2: Is TPX DX310 FDA compliant?
A: Yes. TPX DX310 is certified for food packaging materials by United States Code of Federal Regulations Title 21 (FDA).

Q3: What is the density of TPX DX310?
A: The density is 0.833-0.834 g/cm³, making it one of the lightest polymer materials among thermoplastics.

Q4: What is the light transmittance of TPX DX310?
A: The light transmittance is 93% with haze of 1.7-2.1%.

Q5: What is the melting point of TPX DX310?
A: The melting point is 224°C.

Q6: What is the difference between TPX DX310 and TPX DX231?
A: TPX DX310 has a much higher MFR (100 g/10min vs 21 g/10min at 260°C, 5kg), indicating significantly higher flowability. DX310 is specifically recommended for extrusion coating and fiber extrusion, while DX231 is a high modulus grade suitable for multiple processing methods.

Q7: What is the MFR of TPX DX310?
A: The Melt Flow Rate is 100 g/10min at 260°C, 5kg.

Q8: What processing methods can be used for TPX DX310?
A: TPX DX310 is highly recommended for extrusion coating (paper coating) and is also suitable for fiber (spinning) extrusion.

Q9: What is the Vicat softening point of TPX DX310?
A: The Vicat softening point is 144-147°C.

Q10: What is the lead time for orders?
A: Regular orders ship within 7-10 working days after payment confirmation. Large-volume or urgent orders can be negotiated separately.

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Sample Policy:

• Samples are for laboratory validation tests only, not for production use.

• Buyer bears international sample-shipping freight.

• If bulk-product performance deviates from sample reference, Mitsui Chemicals official TDS serves as the authoritative benchmark.

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Disclaimer

DISCLAIMER: All technical data is referenced from original Mitsui Chemicals typical values for TPX DX310. Our company acts as authorized distributor/trader rather than original manufacturer. Final performance depends on processing conditions, mold design, and part geometry. Buyers shall independently validate product suitability for individual applications. Our firm bears no liability for product failure caused by improper processing or improper usage. Always reference the latest Mitsui Chemicals official TDS of TPX DX310 as the definitive specification.