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简体中文MCA for Nylon 66 (PA66)
-- Steady & Reliable Manufacturer --
Introduction
Polyamide 66 has a higher melting point and better heat resistance than PA6, which is why it is chosen for cable ties, connectors, and parts that sit close to heat sources. Melamine cyanurate (MCA) for Nylon 66 (PA66) gives these parts halogen-free flame resistance while staying stable at the higher temperatures PA66 requires.
PA66 is typically compounded at 270 to 300°C, which leaves less thermal margin than PA6. Our MCA grades are produced with controlled purity and low volatile content, so they stay intact through the extruder at these temperatures when residence time is managed sensibly. Fine particle size helps the additive disperse evenly and keeps mechanical properties close to those of the base resin.
We supply MCA to compounders, masterbatch producers, and molders around the world, and can provide guidance on dosage, drying, and processing conditions for each PA66 grade.
Specification
| Parameter | Typical Value |
|---|---|
| Appearance | White fine powder |
| Chemical Name | Melamine cyanurate (CAS 37640-57-6) |
| Nitrogen Content | 48.5 to 49.5% |
| Particle Size (D50) | 2 to 4 microns |
| Moisture Content | 0.2% max |
| Decomposition Onset | Above 320°C |
| Suitable PA66 Processing Temperature | Up to approximately 300°C with controlled residence time |
| Recommended Loading in Unfilled PA66 | 6 to 10% by weight, depending on part thickness |
| Packaging | 25kg kraft bags with PE liner, 25kg woven bags, or 500kg / 1000kg jumbo bags |
Specifications are typical values and can differ by product code. A certificate of analysis is included with each shipment.
Application
Flame-retardant PA66 made with MCA is used in parts that need both heat resistance and halogen-free fire protection.
- Cable ties and fasteners: Self-locking cable ties used in electrical installations and vehicles.
- Electrical connectors: Plug housings, terminal blocks, and connector bodies in industrial and consumer products.
- Switchgear and relay components: Insulating parts in distribution and control equipment.
- Automotive electrical parts: Fuse boxes, harness clips, and under-bonnet electrical components where halogen-free materials are specified.
- Appliance and tool parts: Handle, switch, and internal parts in power tools and household appliances.
Advantages
- Thermal margin for PA66: Decomposition onset sits well above typical PA66 melt temperatures, supporting stable compounding.
- Halogen-free: Supports low-smoke, non-corrosive fire behavior compared with halogenated additive systems.
- Good property retention: Fine particles help preserve tensile strength, impact resistance, and surface appearance.
- Light color base: White powder makes it easier to produce natural, white, and light-colored compounds.
- Application support: Help with dosing, dispersion, and process settings when switching from another flame retardant.
Manufacturing Facility in XUSEN
We have our own production workshops and warehouses, equipped with complete production and quality inspection equipment.
As China MCA for Nylon 66 (PA66) Suppliers and MCA for Nylon 66 (PA66) Factory., With over 20 years in developing halogen-free flame-retardant products positions us as industry leaders in providing domestic flame-retardant solutions.
All our products comply with the stringent requirements of the WEEE, ROHS, and EUP directives.
Rubber and Plastic Industry
Suitable for materials such as PA, PP, polyester, elastomers, PE, EVA, PC, ABS, etc., widely used in household appliances, automobiles, electricians, cables, and other products.
Composite Materials Field
Suitable for composite flame retardant products based on epoxy resin, polyurethane, etc., we can jointly develop flame retardant products with users to meet the requirements of flame retardancy and physical properties.
Adhesive Field
Suitable for oil-based and water-based adhesives, and can be modified according to customer needs to adapt to user usage conditions and requirements, while maintaining good weather resistance and dispersibility.
Fabric coating field
It is applicable to the flame retardant fabric coating based on acrylic lotion. The formula and process can be adjusted according to the user's requirements for flame retardancy, sizing amount, hand feel, etc. to meet the requirements for flame retardancy and physical properties.
Fireproof coatings field
In fireproof coatings, flame retardants are mainly used in APP. We have undergone specific processing techniques for coating APP, which can meet the quality requirements of well-known international manufacturers such as PPG and ICI.
