---
product_id: 205411009
title: "Bitter Sensitivity Solution (31 / A) 50ml, 0.02% Denatonium Benzoate for PPE Fitment"
brand: "f-jas"
price: "€ 0.06"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/205411009-bitter-sensitivity-solution-31-a-50ml-0-02-denatonium-benzoate
store_origin: PT
region: Portugal
---

# 0.02% Denatonium Benzoate - precise bitter agent 50ml volume - optimal testing quantity UK-made - trusted manufacturing quality Bitter Sensitivity Solution (31 / A) 50ml, 0.02% Denatonium Benzoate for PPE Fitment

**Brand:** f-jas
**Price:** € 0.06
**Availability:** ✅ In Stock

## Summary

> 🛡️ Ensure your mask fits like a pro—because safety is non-negotiable!

## Quick Answers

- **What is this?** Bitter Sensitivity Solution (31 / A) 50ml, 0.02% Denatonium Benzoate for PPE Fitment by f-jas
- **How much does it cost?** € 0.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/205411009-bitter-sensitivity-solution-31-a-50ml-0-02-denatonium-benzoate)

## Best For

- f-jas enthusiasts

## Why This Product

- Trusted f-jas brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **User Safety Assurance:** Detect bitter taste? Mask fit is compromised—protect yourself from leaks
- • **Compact & Ready-to-Use:** 50ml solution, perfectly sized for repeated, reliable fit tests
- • **Trusted UK Manufacturing:** Produced by F-JAS LTD, ensuring consistent quality and compliance
- • **HSE-Compliant Fit Testing:** Meets HSE info doc 282/28 standards for respirator fit validation
- • **Precision Bitter Threshold:** Contains 0.02% Denatonium Benzoate for accurate PPE fit sensitivity testing

## Overview

Bitter Sensitivity Solution (31 / A) is a 50ml, 0.02% Denatonium Benzoate-based threshold check solution designed for precise PPE respirator fit testing. Manufactured in the UK by F-JAS LTD, it complies with HSE information document 282/28, helping professionals verify mask seal integrity by detecting bitter taste leakage, ensuring optimal protection against airborne hazards.

## Description

Product description TEST A - Sensitivity Solution. Contains 0.02% Denatonium Benzoate, 5% Sodium Chloride, 95% Water. Made from: 13.5 milligrams of Bitrex to 100 ml of 5% salt (NaCl) solution in distilled water. Also known as Threshold Check Solution. Used to ensure correct fitment of masks. If the wearer can detect the bitter taste, the mask is not fitted correctly and could leak to infection. Also Available, TEST B Fit Test Solution. Legal Disclaimer This product meets the criteria for fit testing respirators as advised in HSE information document 282/28

## Features

- Bitter Sensitivity Solution (31) for Fitment of PPE
- Equivalent to FT31 or TEST A Sensitivity Product. Threshold Check Solution.
- Manufactured by F-JAS LTD in the United Kingdom.
- Used to ensure correct fitment of masks. If the wearer can detect the bitter taste, the mask is not fitted correctly and could leak to infection
- This product meets the criteria for fit testing respirators as advised in HSE information document 282/28

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B087628VDS |
| Customer Reviews | 4.8 4.8 out of 5 stars (27) |
| Date First Available | 16 April 2020 |
| Display style | Analog |
| Item Weight | 140 g |
| Manufacturer | F-JAS |
| Manufacturer reference | FT11-50 |
| Part number | FT11-50 |
| Volume | 50 Millilitres |

## Product Details

- **Age range (description):** Adult
- **Brand:** F-JAS
- **Display type:** Analog
- **Manufacturer:** F-JAS
- **Product care instructions:** Wipe Clean

## Images

![Bitter Sensitivity Solution (31 / A) 50ml, 0.02% Denatonium Benzoate for PPE Fitment - Image 1](https://m.media-amazon.com/images/I/71s4avI-J6L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pt/products/205411009-bitter-sensitivity-solution-31-a-50ml-0-02-denatonium-benzoate](https://www.desertcart.pt/products/205411009-bitter-sensitivity-solution-31-a-50ml-0-02-denatonium-benzoate)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-23*