Custom Cleaning Brush
35mm PBT Test Tube Brush
35mm PBT Test Tube Brush is built for Laboratory Glassware Cleaning where the brush must enter or follow glass bores, tapered walls, and bulb sections. Head size, working length, stem flexibility, and fill are selected to loosen reagent film, precipitate, and powder without losing access or control.
Product Features
35 mm head fits larger test tubes and laboratory cylinders — The brush contacts the internal wall.
Low-water-absorption PBT maintains consistent wet-cleaning stiffness — Bristles recover after repeated use.
Fan or flared tip can clean the rounded bottom — Residue at the base transition is reached.
Long twisted stem provides access through the opening — The handle can be looped for storage.
Color-coded filament can distinguish laboratory areas — Multiple sizes can be organized easily.
Working length, PBT stiffness, tip form, stem, overall length, and handle can be customized.
Product Overview
35mm PBT Test Tube Brush uses a working section shaped around the available opening, depth, and internal profile. It contacts glass bores, tapered walls, and bulb sections to remove reagent film, precipitate, and powder; the access path and minimum clearance determine whether the brush needs a rigid stem, a flexible extension, a tapered head, or a stepped cleaning section. The brush must reach the full vessel length without scratching glass or striking the base with exposed wire.
Key dimensions start with Brush head diameter 35 mm, Brush head length 90 mm, and Handle length 180 mm. The structural layout follows the bottle & container brush category. The specified interface is fixed. PBT are the principal material directions in the current specification. The brush should provide enough reach and control without making the user press the bristles too hard against the surface.
Technical Specifications
| Head diameter | 35 mm |
|---|---|
| Head shape | Round |
| Head length | 90 mm |
| Bristle material | PBT |
| Handle/base material | Polypropylene (PP) |
| Handle length | 180 mm |
| Grip diameter | 10 mm |
| Connection | Fixed |
| Cleaning method | Wet Brushing / Soaking |
| Applicable media | Water / Neutral Detergent |
Application Areas
35mm PBT Test Tube Brush is primarily mapped to Laboratory Tube Cleaning. When adapting this brush to another job, confirm the workpiece surface, how debris will leave the area, and the required finish.
- Use for Laboratory Glassware Cleaning
- Match contact to surface risk: Minor
- Use with Water / Neutral Detergent
- Confirm interface and clearance before production.
Selection Guidance
Structure fit
Match the bottle & container brush geometry to glass bores, tapered walls, and bulb sections, the available access, and manual operation. Confirm Brush head diameter 35 mm, Brush head length 90 mm, and Handle length 180 mm against the complete working envelope before finalizing the brush.
Contact material
Choose from PBT according to the behavior of reagent film, precipitate, and powder, the surface sensitivity, and any wet, chemical, temperature, or hygiene requirements. To set the right stiffness, confirm the filament diameter, free trim, and density as well as the material.
When to use another solution
For 35mm PBT Test Tube Brush, use another cleaning method when reagent film, precipitate, and powder cannot be released by controlled filament contact, when glass bores, tapered walls, and bulb sections cannot tolerate the selected contact material, or when the access path prevents safe engagement and residue removal.
Customization Options
| Brush Head Diameter (mm) | 35 |
|---|---|
| Brush Head Length (mm) | 90 |
| Handle Length (mm) | 180 |
| Handle Grip Diameter (mm) | 10 |
| Bristle Material | PBT |
| Handle Material | Polypropylene PP |
| Mounting / Interface | Fixed |
| Grip Style | Straight Handle |
| Color | White |
| Logo Process | Pad Printing |
| Surface Treatment | Smooth |
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