Specifications

Standard specifications for wash bulbs. Items marked Customizable are available upon request.

Size	Capacity (ml)	Material	Applications	Temp Range
Small	30	NR	Micro-pipetting, fine blowing	-30~80°C
Medium	60	NR	General pipetting, blowing (most common)	-30~80°C
Large	90	NR	Large volume pipetting, wide-area blowing	-30~80°C

Capacities are typical values. Medium 60ml is the most commonly used size.

📌 Customization Options:
• Color options
• Custom sizes upon request

Product Description

I. Overview

The wash bulb (also known as an ear bulb) is one of the most classic and commonly used auxiliary tools in laboratories. Manufactured from high-quality natural rubber (NR) via precision compression molding, offering good elasticity, comfortable grip, and long-lasting durability.

Available in large 90ml, medium 60ml, and small 30ml sizes for pipetting, blowing dry tubing, cleaning dust, and more — an indispensable lab accessory.

🔬 Product Advantages:
Three Sizes — Large/Medium/Small for different needs
Good Elasticity — Responsive compression and rebound
Durable — High-quality natural rubber for long service life
Classic Design — Ergonomic grip
Multi-Function — Pipetting, blowing, cleaning

II. Key Performance Parameters

Material: Natural Rubber (NR)
Sizes: Large 90ml / Medium 60ml / Small 30ml
Temperature Range: -30~80°C
Features: Good elasticity, durable, classic design
Applications: Pipetting, blow dry, cleaning

III. Material & Manufacturing

Manufactured from high-quality natural rubber (NR) via precision compression molding. Features uniform wall thickness, smooth surfaces, and no odor. The nozzle is well-designed for pipette compatibility and airflow direction.

Applications

Typical Applications

Pipetting

Safe liquid aspiration and dispensing with pipettes

Blow Dry Tubing

Drying condensers, rubber tubing, and other equipment

Dust Cleaning

Removing dust and debris from lab equipment surfaces

Line Purging

Clearing residual liquid or debris from tubing

Applicable Fields

Chemistry Labs
Biology Labs
Teaching Labs
Pharmaceutical Industry

Selection Guide

Select by Capacity

Capacity	Applications
Small 30ml	Micro-pipetting, fine blowing, small diameter tubing
Medium 60ml	General pipetting, blowing tubing (most common)
Large 90ml	Large volume pipetting, wide-area blowing, dust cleaning

💡 Selection Tips: General labs choose Medium 60ml wash bulb.
Fine operations choose Small 30ml.
Large volume/cleaning choose Large 90ml.
Consider a full set of Large/Medium/Small for different scenarios.

Operation & Maintenance

User Guide

I. Usage

Select the appropriate size for your application
Compress the bulb to expel air
Position the nozzle over the pipette top or area to be blown
Slowly release or compress the bulb to complete the operation
Clean the nozzle after use

💡 Tips from Experienced Technicians: "Choose the right size" — Medium 60ml is the most commonly used size.
"Handle with care" — Avoid sharp objects that may damage the bulb.
"Regular cleaning" — Wipe the nozzle and surface with alcohol wipes regularly.
"Avoid high temperature" — Wash bulbs are not heat-resistant.

Care & Notes

Show care & notes

⚠️ Safety Notes

Wear lab coats and gloves during operation
Replace immediately if hardening, cracking, or deformation is observed

Do not

Avoid strong oxidizers and strong acids

Wash Bulb

Specifications

Product Description

I. Overview

II. Key Performance Parameters

III. Material & Manufacturing

Applications

Pipetting

Blow Dry Tubing

Dust Cleaning

Line Purging

Selection Guide

Select by Capacity

User Guide

I. Usage

Care & Notes

Need Wash Bulbs?

Wash Bulb

Specifications

Product Description

I. Overview

II. Key Performance Parameters

III. Material & Manufacturing

Applications

Pipetting

Blow Dry Tubing

Dust Cleaning

Line Purging

Selection Guide

Select by Capacity

User Guide

I. Usage

Care & Notes

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