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  • TECHPAP

    TECHPAP

    Handsheet Retention Tester
    모델
    -
    시리즈
    Lab Equipment

    제품 소개

    FRET - Handsheet Retention Tester

     

    Retention tester

    The FRET is specifically designed for investigative testing of additive influences on pulp quality. The FRET (retention tester) is an ideal and unique tool for controlling and setting up new chemicals, testing new wires, identifying additive problems and developing new paper products. This automated system offers a tight control on suspension shearing consistency, additive contact time optimization and drainage conditions. Because of this, the FRET produces sheets that have technical characteristics closely related to those of industrial paper. A typical FRET test output yields a handsheet, the white water and the drainage vacuum curve for study.

     

    Principle

    The upper tank of the retention tester is designed for complete pulp shearing and offers an ideal point for manual or automatic additive injection and mixing under industrial conditions with regards to strength and time. This upper tank, also known as the first stage, simulates the feed circuits of a typical paper machine. The suspension is then transferred in the lower tank (formation tank). After a rapid homogenization of the suspension using air blown through the wire, a strong vacuum is introduced on the pulp to drain the sheet of excess water. A vacuum curve is calculated on the drainage time and pressure. This second stage simulates the head box, table and the drainage part of the paper machine. The lower tank can be opened to recover the sheet. White water is totally retained in a jar inside the Fret for analysis or recycling

    생산 제품

    Sensors

    2D Formation Sensor
    Edge Crack Detector
    Web Break Supervisor
    Dirt&Shives Analysis
    Pulp Inspector (PI)
    PI Fiber Morpholgy
    PI Color&Brightness
    PI Freeness
    PI Dirt&Shives
    NIR Moisture & Plastic
    On Line HR3D

    Lab Device

    Fiber&Shive Analyzer - MorFi Neo
    Fiber Wall Thickness
    Laboratory Dirty Analyzer
    2D Formation Sensor
    Mottling Sensor-Kheops
    Fiber Orientation Analyzer
    Paper Stability&Creeping
    Humidity Generator
    Calipack Migration Cell
    Slosh Box
    3D Stick
    Lab HR3D
    Dirt analyser for large size samples

    Lab Equipment

    Dynamic Handsheet Former
    Handsheet Retention Tester
    Laboratory Equipment