Required Chemistry
Confirm that magnesium hydroxide is the required mineral and provide the target content and impurity limits.
Cable Compound Application Guide
Magnesium Hydroxide for HFFR Cable Compounds
Fuming Materials offers natural magnesium hydroxide for evaluation in selected halogen-free flame-retardant cable compounds. To assess a grade, we need the specification, polymer system, loading and extrusion conditions.
Application Context
The Compound Specification Comes First
We do not assume that one magnesium hydroxide grade will fit every cable compound. Particle characteristics, surface treatment, polymer compatibility, loading and processing conditions can all change the result.
Application Fit
What We Review for an HFFR Enquiry
Powder Characteristics
Particle-size requirement, moisture and any surface-treatment requirement should be stated clearly.
Polymer and Loading
Identify the polymer or compound system, current loading and target loading before product comparison.
Qualification Testing
Flame-retardant, mechanical and processing results must be confirmed by the customer in the complete compound.
Practical technical review
Validate mineral selection at compound and cable level
Document the reference grade, polymer blend, treatment requirement and loading convention. A candidate with a similar assay still needs evaluation for dispersion and the required finished-cable performance.
Read the related technical guide- Compounding
- Record feeding, torque or mixing response, temperature and extrusion stability.
- Performance
- Test the specified fire, smoke, mechanical, electrical and ageing properties.
- Qualification
- Keep laboratory compound results separate from approval of the finished cable construction.
Selection Considerations
Information Required Before Product Review
Current Grade or Specification
Provide the current product, technical data, certificate of analysis or sample where available.
Magnesium Hydroxide and Impurity Limits
State the required chemistry and any controlled impurity values.
Particle and Surface Requirement
Provide the required particle-size data and whether a surface-treated product is required.
Polymer, Loading and Extrusion
Identify the polymer system, dosage, processing temperature, equipment and known processing limits.
Test and Acceptance Criteria
Define the compound, cable and processing tests used to approve a new material.
Application Review
From Your Cable Specification to a Candidate Grade
Collect the Compound Specification
Review the chemistry, particle requirement, polymer, loading, process and current product.
Check Available Product Fit
Assess whether an available magnesium hydroxide grade is suitable for testing against your requirements.
Qualify in the Customer’s System
The customer performs compound, extrusion and finished-cable testing before approval.
FAQ
Frequently Asked Questions
Can one magnesium hydroxide grade fit every HFFR cable compound?
No. The polymer, loading, particle characteristics, surface treatment and extrusion conditions can require different product characteristics.
What information should be provided first?
Provide the current grade or specification, target chemistry, particle requirement, surface-treatment requirement, polymer, loading, extrusion conditions and acceptance tests.
Does Fuming Materials guarantee cable-compound performance from powder data alone?
No. Powder data supports initial selection, but flame-retardant, mechanical and processing performance must be qualified in the customer’s complete compound and cable system.
Can a physical sample or current product be used for comparison?
Yes. A current product sample and its available technical data help us identify a suitable grade for comparison.
Application Enquiry
Discuss Your Magnesium Hydroxide Requirement
Share the current specification, polymer system, loading, particle and surface-treatment requirements, extrusion conditions, test criteria, expected volume and packing need.