MCA for Nylon 6 (PA6)
-- Steady & Reliable Manufacturer --
Introduction
Polyamide 6 is a staple engineering plastic for electrical connectors, switchgear parts, and appliance components, where flame resistance is frequently a regulatory requirement. Melamine cyanurate (MCA) for Nylon 6 (PA6) is a halogen-free, nitrogen based flame retardant that helps unreinforced PA6 compounds reach UL 94 V-0 without the corrosive gases and heavy smoke associated with halogenated systems.
As a manufacturer, we supply MCA in fine particle grades designed for melt compounding on twin-screw extruders. In a fire, MCA absorbs heat as it decomposes and releases nitrogen-rich gases that dilute combustible vapors, while promoting melt dripping that carries heat away from the flame front. Narrow particle size distribution and low moisture are central to our grades, since both directly affect dispersion and the surface finish of molded parts.
MCA remains stable at normal PA6 processing temperatures of roughly 230 to 270°C, so it can be fed with the polymer at the main throat of the extruder without special handling equipment.
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 (finer grades available) |
| Moisture Content | 0.2% max |
| Decomposition Onset | Above 320°C |
| Recommended Loading in Unfilled PA6 | 6 to 12% by weight, depending on part thickness |
| Packaging | 25kg kraft bags with PE liner, 25kg woven bags, or 500kg / 1000kg jumbo bags |
Values are typical and vary by product code. Each shipment includes a certificate of analysis, and technical data sheets for every grade are available on request.
Application
MCA treated PA6 compounds are used where halogen-free fire protection is needed in thin-wall molded parts.
- Electrical connectors and terminal blocks: Low-voltage connectors and terminals molded from unreinforced PA6.
- Switches, relays, and circuit breaker housings: Insulating components that must pass glow wire and UL 94 requirements.
- Household appliance parts: Plugs, sockets, and internal structural parts in small appliances and power tools.
- Cable management: Cable ties, clips, and wire harness accessories.
- Extruded profiles and films: Halogen-free flame-retardant PA6 sheets, rods, and thin films.
Advantages
- Halogen-free chemistry: No halogenated gases released during combustion, supporting RoHS-oriented and low-smoke product designs.
- Fine, uniform particles: Controlled particle size supports good dispersion, smooth surface finish, and retention of impact strength.
- Thermal stability: Stable across the standard PA6 processing window with low risk of degradation during compounding.
- Electrical performance: Helps maintain good insulation and tracking resistance, which matters for connector and switchgear parts.
- Compounding support: Guidance on feeding, drying, and screw design for customers moving from lab trials to production.
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 6 (PA6) Suppliers and MCA for Nylon 6 (PA6) 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.
