Skip to main content

Support Center

Find answers, resources, and expert assistance

Frequently Asked Questions

Ordering & Delivery

What is the minimum order quantity?

Minimum order quantities vary by product. Standard products typically have lower MOQs, while custom solutions may require larger quantities. Contact our sales team for specific information.

What is the minimum order quantity?

Minimum order quantities vary by product. Standard products typically have lower MOQs, while custom solutions may require larger quantities. Contact our sales team for specific information.

Product Selection

How do I choose the right filter paper for my application?

Consider your particle retention requirements, flow rate needs, chemical compatibility, and temperature conditions. Our technical team can help you select the optimal product based on your specific requirements.

How do I choose the right filter paper for my application?

Consider your particle retention requirements, flow rate needs, chemical compatibility, and temperature conditions. Our technical team can help you select the optimal product based on your specific requirements.

What is the difference between qualitative and quantitative filter papers?

Qualitative papers are used for general filtration where the residue is not weighed. Quantitative papers have extremely low ash content and are used when the filtered material needs to be recovered for analysis.

What is the difference between qualitative and quantitative filter papers?

Qualitative papers are used for general filtration where the residue is not weighed. Quantitative papers have extremely low ash content and are used when the filtered material needs to be recovered for analysis.

Quality & Testing

How is product quality ensured?

All products undergo rigorous quality control testing including pore size verification, flow rate testing, and chemical purity analysis. Certificates of analysis are available upon request.

How is product quality ensured?

All products undergo rigorous quality control testing including pore size verification, flow rate testing, and chemical purity analysis. Certificates of analysis are available upon request.

Technical Specifications

What certifications do GMLUK products have?

Our products are ISO 9001:2015 and ISO 14001:2015 certified. Pharmaceutical-grade products also have FDA approval and CE marking where applicable.

What certifications do GMLUK products have?

Our products are ISO 9001:2015 and ISO 14001:2015 certified. Pharmaceutical-grade products also have FDA approval and CE marking where applicable.

Can't find what you're looking for?

Our technical support team is ready to help with any questions about our products and applications.

Email Support

support@gmluk.com

Phone Support

+44 20 7123 4567

Hours

Mon-Fri, 9AM-5PM GMT

Emergency Support

For urgent production issues or critical support needs outside business hours, please call our emergency hotline: +44 800 123 4567

Emergency support is available 24/7 for customers with active service agreements.