Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Kaneka M-511 Impact Modifier

Kaneka M-511 is an MBS core-shell impact modifier for room and low temperature toughening of engineering plastics. It significantly improves room and low temperature impact resistance with minimal effect on the original physical properties of substrates, featuring excellent processability, weather resistance, and good product surface finish & rigidity retention.

Features Of Kaneka M-511 Impact Modifier

  1. MBS core-shell structure with uniform particle size, independent of mixing process and excellent dispersibility

  2. Outstanding room & low temperature impact resistance, maintaining high impact strength even at -40℃ ultra-low temperature

  3. Minimal effect on substrate tensile, melting and other physical properties, with excellent rigidity retention

  4. Superior processability, suitable for various forming processes, and good 60° gloss performance of products

  5. Excellent weather resistance, without affecting the original aging resistance of the substrate after modification

Typical Applications Of Kaneka M-511 Impact Modifier

  1. Impact modification of PC, PBT, PC/ABS, PC/PBT and other engineering plastics as well as their alloys

  2. Production of chemical equipment accessories requiring high and low temperature impact resistance and hydrolysis resistance

  3. Toughening modification of flame-retardant PC/ABS alloy products

  4. Preparation of engineering plastic structural parts and precision accessories under high-temperature processing conditions

  5. Production of electronic and electrical parts, automotive engineering plastic parts used in outdoor and humid environments

Specifications Of Kaneka M-511 Impact Modifier

Product Information
Product NameKaneka Chemical Toughener KENEKA ACE M722
Product TypeMBS Core-shell Impact Modifier
Chemical DescriptionMBS Polymer
AppearanceFree-flowing white powder
Main ComponentMBS copolymer
Application & General Properties
Application SystemPC, PBT, PC/ABS, PC/PBT engineering plastics and alloys
Processing PerformanceExcellent, adaptable to various forming processes
Particle CharacteristicUniform size, no influence from mixing process
Weather ResistanceExcellent, no effect on substrate aging resistance
CompatibilityGood compatibility with PC, PBT and their alloys
Mechanical Properties (5phr in PC)
Tensile Yield Strength55.6 MPa
Elongation at Break144 %
Impact Properties (5phr in PC)
Izod Notched Impact (23℃)58.7 kJ/m²
Izod Notched Impact (-30℃)53.2 kJ/m²
Izod Notched Impact (-40℃)52.8 kJ/m²
Physical & Optical Properties (5phr in PC)
Melt Flow Rate (MFR)13.9 g/10min
60° Gloss105.3
Packaging & Storage
Packaging Specification20 kg/bag
Storage RequirementStore in a cool and dry place, seal immediately after opening
Shelf Life12 months under sealed dry storage conditions



































































































Kaneka M-511 Impact Modifier – Frequently Asked Questions (FAQ)

Q1: What is Kaneka M-511 and how does it function in polymer systems?

A: Kaneka M-511 is a methacrylate-based impact modifier designed to enhance toughness and ductility in rigid thermoplastic matrices—particularly PVC, polycarbonate, and styrenic resins—without significantly compromising stiffness or processability. It operates through a core–shell morphology that promotes energy dissipation during mechanical stress.


Q2: Is M-511 compatible with unplasticized PVC (uPVC) formulations used in construction profiles?

A: Yes, M-511 is widely used in uPVC applications such as window frames and siding, where it improves low-temperature impact resistance and weathering stability while maintaining excellent fusion behavior during extrusion.


Q3: How does M-511 compare to traditional CPE or MBS impact modifiers in terms of processing and clarity?

A: Unlike CPE, M-511 offers superior melt compatibility and dispersion in clear or translucent compounds. Compared to standard MBS grades, it provides enhanced thermal stability during high-shear processing and reduced yellowing tendency, making it suitable for demanding aesthetic applications.


Q4: What is the typical dosage range for M-511 in impact-modified formulations?

A: Dosage depends on the base resin and performance targets, but M-511 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—to achieve meaningful improvements in notched Izod impact strength without adversely affecting tensile properties or surface finish.



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