AlphaTec® 4000 Ultrasonically Welded & Taped - Model 103 Previously known as: MICROCHEM® by AlphaTec® 4000 - Model 103

Innovative multi-layer chemical barrier technology, Type 3/4/5 protection

Key Features and Benefits
  • Exceptional protection, over 200 chemicals permeation tested, including chemical warfare agents
  • Designed to protect, typical innovative features include dual zip systems and double cuffs
  • Welded and taped seams, our highest barrier to liquids and particulates
  • Enhanced comfort, knitted inner cuffs and inner textile type fabric improves wearer acceptance
  • Anti-static, tested according to EN 1149-5 and AATCC 76
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product category

Chemical Protective Suits Chemical Protective Suits
Liquid Spray & Splash

Featured technologies


A unique multi-layer barrier fabric renowned for its lightweight, yet robust textile feel and exceptional barrier to organic & inorganic chemicals.


Provides a strong liquid and particle barrier


•   2 piece hood
•   Elasticated hood, waist, double cuffs and ankles
•   Double zip closure
•  Double cuffs with knitted inner cuff





Product Material

Multi-layer non woven barrier laminate fabric

Design Features

Coverall with collar, double zip closure, double cuffs with knitted inner cuff. Elasticated waist, wrists and ankles.

Seam Type

Ultrasonically Welded & Taped Seams

Standards Overview

CE CATEGORY III (Type 3-B, Type 4-B, Type 5-B, EN 1073-2, EN 14126, EN 1149-5)

Product Reference

4000 - Model 103



  • Chemical
  • Life Sciences
  • Mining
  • Fire and Rescue
  • Oil and gas
  • CE CATEGORY III (Type 3-B, Type 4-B, Type 5-B, EN 1073-2, EN 14126, EN 1149-5)
    • AATCC76
    • ASTM F1671
  • Contaminated Environments
  • Chemical Handling
  • Filling, blending and charging of raw materials
  • Transferring liquids and solids
  • Opening and draining pumps valves or lines
  • Loading and unloading of proces equipment
  • Raw material sample collection
  • Concentration mixing and palletisation
  • Hazmat response
  • Assembly and disassembly of large pipes
  • COLOR Green
  • PRODUCT MATERIAL Multi-layer non woven barrier laminate fabric
  • SEAM TYPE Ultrasonically Welded & Taped Seams
  • WEIGHT 103gsm
  • STANDARDS OVERVIEW CE CATEGORY III (Type 3-B, Type 4-B, Type 5-B, EN 1073-2, EN 14126, EN 1149-5)