FLtècnics Packs Aggressive Chemical Products Into 3-Side Seal Sachets at High Speed

A leading international manufacturer of chemical products approached FLtècnics looking for a solution to pack liquid chemical products into 3-side seal sachets.
FLtècnics offered an HFFS machine, coding, complete CIP and counting system with automatic packaging into carton boxes as the customer's current system was experiencing low production speed and product filling splashing with consequent sealing contamination and finished sachets with leakage.
Using the FL 1.4B FLT2 high-speed machine model with a special filling system this client was able to overcome their challenges and produce up to 180 leakage-free pouches per minute.

3-Side Seal Flat Sachets for Aggressive Chemical Product

Customer's Challenges and Requirements

Previous Challenges:

  • Product splashing
  • Low-quality sealing
  • Low production rates

Customer's Requirements:

  • Machine reliability
  • Efficiency
  • Product safety
  • Sanitary design
  • Automation
  • Tear-notch opening
  • Splash-free filling
  • Leak-free sealing
  • Sachet counting system
  • Cardboard box packing system

Chemical products are often too aggressive to be filled in flexible packaging at high speeds and to overcome this obstacle, FLtècnics has developed a customized solution for filling and sealing the product in optimal conditions in leak-proof sachets with maximum product safety, as well as ensuring the accurate counting of the sachets and packing them in cardboard boxes automatically.

The FLtècnics' solutions

FLtècnics has supplied their customer the following solutions: HFFS Rollstock machine model FL 1.4B FLT2 in duplex version, perfect for filling different types of Chemical liquid products into 3-side seal sachets at 9.600 sachets/hour).

  • Product: 20 ml Chemical products low density
  • Speed: up to 80 cycles/minute (160 sachets/minute)
  • Packaging style: 3-side seal sachet
  • Filling system: Flow meter with complete CIP system, and volume adjustment in real time


  • Customized & Viable solution
  • High accuracy dosing < 1%
  • Efficiency
  • Product’s safety
  • Sealing integrity
  • Leakage-free finished sachets

Equipment features:

  • 3-year warranty on mechanical parts
  • 1-year warranty on pneumatical & electrical components
  • Expanding reel shaft
  • Easy and fast change over: Motorized bottom and vertical sealing bars & film feed unit and scissors (20-30 min)
  • PLC and HMI with interactive touch screen including recipes screen
  • Servo motorized film feed unit
  • Machine frame made in stainless steel AISI 304
  • Sanitary design in compliance with chemical & pharma requirements
  • All parts in contact with the product made in stainless steel AISI-316L
  • Tear notch for easy opening
  • Central lubrication system
  • Flow meter with full CIP
  • Special filling nozzles with anti-splash system
  • Customized sachet exit with counting system and automatic packing into cardboard boxes
Rollstock HFFS machine model FL 1.4B FLT2 in Duplex