What ISO Sizes Do Your Interdental Brushes Offer? Complete Guide for Buyers

In the competitive oral care market, offering the right range of interdental brush sizes is essential to meet diverse customer needs. Whether you’re a dental brand, distributor, pharmacy chain, or wholesaler, understanding ISO sizes helps you provide better solutions for your clients.
At QINGDAO LJS BRUSH CO., LTD, we manufacture high-quality L-Type and I-Type interdental brushes in a full range of ISO-standard sizes.
Our Standard ISO Interdental Brush Sizes
We offer the complete professional range of interdental brushes, color-coded according to international ISO standards:

Interdental Brush ISO Size Chart

ISO Size
Color
Diameter (mm)
Recommended For
0
Pink
0.4
Very tight spaces, implants
1
Red
0.45
Extremely tight spaces
2
Orange
0.5
Very narrow gaps
3
Yellow
0.6
Tight interdental spaces
4
Green
0.7
Standard tight spaces
5
Blue
0.8
Normal daily cleaning
6
Purple
1.1
Medium to wide spaces
7
Grey
1.3
Wide spaces, braces
8
1.5
Very wide spaces, bridges
All sizes are available in both L-Type (angled) and I-Type (straight) designs.

Why ISO Standard Sizes Matter

  • Clinical Recommendation: Dental professionals prefer ISO-sized brushes for precise, effective cleaning.
  • Better Patient Compliance: A full size range allows users to choose the perfect fit, improving cleaning results.
  • Retail & Wholesale Flexibility: Color-coded packaging makes it easy for end consumers to select the right size.
  • OEM Customization: We can produce any combination of sizes, colors, and packaging according to your brand requirements.

Our Quality Advantages

  • Medical-grade nylon bristles with excellent bristle retention
  • Consistent size accuracy across production batches
  • ISO 13485, CE, and FDA compliant manufacturing
  • Strict quality controlย 

Perfect for Your Business

Whether you need private label, custom packaging, or bulk wholesale, we provide flexible OEM/ODM services with stable production capacity and competitive pricing.

Available packaging options:

  • 5PCS / 6PCS / 8PCS blister card
  • Individual polybags or tubes
  • Travel kits
  • Customized retail boxes

Ready to Source High-Quality Interdental Brushes?

Contact us today for free samples, detailed specifications, and pricing.ย 
Email: info@ljsbrush.com
ย Website: www.ljsbrush.com
QINGDAO LJS BRUSH CO., LTD โ€“ Your Trusted Global Partner for Interdental Brush Manufacturing.
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