Choosing the right protective clothing can be challenging for companies purchasing PPE for industrial workers. Different workplaces involve different hazards, and protective garments are designed according to specific safety requirements.

Among the most commonly referenced protective clothing standards are:

• EN ISO 13688 — General requirements for protective clothing
• EN ISO 11612 — Protective clothing against heat and flame
• EN ISO 11611 — Protective clothing for welding and related processes

Although these standards are often used together, they serve different purposes.

Understanding the differences helps PPE buyers select suitable workwear and avoid choosing the wrong level of protection.

What Are These Three Standards?

EN ISO 13688: General Requirements for Protective Clothing

EN ISO 13688 defines the basic requirements that protective clothing should meet.

It focuses on:

• Ergonomic design
• Comfort and wearability
• Size designation
• Labeling requirements
• User information
• Material safety

However, EN ISO 13688 does not provide specific protection against hazards such as flames, heat, chemicals, or welding sparks.

It is usually combined with other protective clothing standards.

Example:

A flame-resistant coverall may be certified:

EN ISO 13688 + EN ISO 11612

EN ISO 11612: Protection Against Heat and Flame

EN ISO 11612 is designed for workers exposed to heat and flame hazards.

It provides protection against:

• Limited flame spread
• Convective heat
• Radiant heat
• Contact heat
• Molten metal splash

Common industries:

• Metal processing
• Foundries
• Manufacturing
• Energy industries
• High-temperature workplaces

Typical products:

• Flame-resistant coveralls
• Heat-resistant jackets
• Protective trousers

EN ISO 11611: Welding Protective Clothing

EN ISO 11611 is specifically designed for welding and related processes.

It protects workers against:

• Welding sparks
• Molten metal droplets
• Short-term flame exposure
• Radiant heat from welding arcs

Common applications:

• Welding workshops
• Shipbuilding
• Metal fabrication
• Construction

Typical products:

• Welding jackets
• Welding coveralls
• Welding protective suits

EN ISO 13688 vs EN ISO 11612 vs EN ISO 11611 Comparison

Key Differences Between EN ISO 11612 and EN ISO 11611

Many buyers confuse EN ISO 11612 and EN ISO 11611 because both involve heat protection.

However, their applications are different.

EN ISO 11612

Focus:
Protection against general heat and flame hazards

Examples:

• Furnace operation
• Hot metal handling
• Industrial heating processes

Main concern:

How well does clothing protect against thermal hazards?

EN ISO 11611

Focus:
Protection during welding operations

Examples:

• MIG welding
• TIG welding
• Arc welding
• Metal cutting

Main concern:

How well does clothing protect against welding-related risks?

Can One Garment Meet Multiple Standards?

Yes.

Many industrial protective garments are certified to multiple standards.

For example:

Welding Coverall

Possible certification:

✔ EN ISO 13688
✔ EN ISO 11611
✔ EN ISO 11612

This means the garment provides:

• General protective clothing requirements
• Welding protection
• Heat and flame protection

Multi-standard clothing is often preferred by industrial customers because it provides broader workplace protection.

How to Choose the Right Protective Clothing Standard?

Step 1: Identify Workplace Hazards

Before purchasing PPE, evaluate:

Welding Work

Risks:

• Sparks
• Molten metal
• Welding radiation

Recommended:

EN ISO 11611

High Temperature Work

Risks:

• Flame
• Heat radiation
• Hot materials

Recommended:

EN ISO 11612

General Industrial Work

Risks:

• Mechanical hazards
• Workplace exposure

Recommended:

EN ISO 13688 + relevant protection standard

Step 2: Consider Additional Requirements

Depending on the workplace, other standards may also be required.

Examples:

A complete PPE solution should match the actual workplace risks.

Step 3: Consider Comfort and Usability

Even certified protective clothing must be comfortable enough for workers to wear regularly.

Important factors include:

• Breathability
• Fabric weight
• Freedom of movement
• Durability
• Correct sizing

Comfort improves PPE acceptance and helps maintain workplace safety.

Common Mistakes When Buying Protective Clothing

Mistake 1: Choosing Based Only on Certification

A certificate alone does not mean the product is suitable for every workplace.

The correct standard depends on:

• Work environment
• Hazard type
• Exposure level

Mistake 2: Assuming EN ISO 13688 Provides Hazard Protection

EN ISO 13688 is a foundation standard.

It does not replace:

• Heat protection standards
• Welding protection standards
• Chemical protection standards

Mistake 3: Ignoring Worker Comfort

Heavy or uncomfortable PPE may reduce actual usage.

The best protective clothing balances:

Safety + Comfort + Functionality

How GONOW SAFETY Helps Customers Choose Protective Clothing

At GONOW SAFETY, we provide protective clothing solutions for different industrial applications.

Our product range includes:

• Flame-resistant clothing
• Welding protective clothing
• Industrial coveralls
• Customized protective workwear

We help customers select suitable PPE based on:

• Workplace hazards
• Industry requirements
• International safety standards

From general workwear to specialized protective clothing, GONOW SAFETY supports businesses with reliable PPE solutions.

Conclusion

EN ISO 13688, EN ISO 11612, and EN ISO 11611 serve different purposes in protective clothing.

• EN ISO 13688 provides general requirements for protective clothing.
• EN ISO 11612 protects workers from heat and flame hazards.
• EN ISO 11611 protects workers during welding operations.

Understanding these differences helps companies purchase the right PPE, improve worker safety, and ensure compliance with workplace requirements.

Choosing the correct standard is the first step toward creating a safer workplace.