JFL QHD pendulum damping Tester
SE
QHD
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JFL QHD Pendulum damping TesterSPEC
JFL QHD Pendulum damping TesterDetails
JFL QHD Pendulum damping TesterPacking list
- SKU
- NB018988
- Swing bar type
- Konig pendulum
- Konig swing Mass
- 200±0.2g
- Konig swing period
- 1.4±0.02s
- Konig Glass Swing Time
- 250±10s
- Number of swings on Konig Glass
- 178±7
- Konig start and finish swing angle
- 6°/3°
- Persoz swing Mass
- 500±0.1g
- Persoz swing cycle
- 1±0.001S
- Persoz Glass Swing Time
- ≥420s
- Persoz Glass Swing Count
- 420
- Persoz start and end swing angle
- 12°/4°
Introduction
QHD pendulum damping Tester Specifications and uses
The QHD pendulum damping Tester is designed and manufactured according to the professional standard ZBN72020-86 and the international standard ISO1522-------1973.
This instrument is used for sampling tests of paints, varnishes and related products to determine the film hardness of paints, varnishes and related products.
Principle
The damping time of the swing attenuation of the swing rod on the paint film is expressed in seconds. The hardness of the paint film is based on the pendulum rod touching the paint film surface at a certain cycle. If the surface is softer, the swing decay will be faster, and vice versa. The slower the principle. It is worth noting that there is no conversion relationship between the test results of the Konig and Persoz pendulums with different structures, masses, sizes, and periods, because the pendulum and the coating The interaction between them also depends on the complex elasticity and viscosity of the coating. Therefore, in the product standard to measure the damping time of a certain paint film, only one pendulum is specified.
Structure: QHD pendulum damping Tester is mainly divided into the following parts.
(1) Instrument base: used to support the test plate and swing rod, there is no vertical support rod on the base, and it is connected with a horizontal platform with a working plane.
(2) Pendulum: Konig or Persoz
(3) A technical device that automatically records the number of required swing angles.
(4) Instrument cover
- 1ISO 《Paints and Varnishes - Pendulum Damping Test》
- 2NF 《Paints and varnishes - Pendulum damping test》
- 3EN ISO 1522-2006《Paints and varnishes - Pendulum damping test (ISO 1522:2006)》
- 4NF EN ISO 1522-2007《Paints and varnishes - Pendulum damping test.》
- 5HG/T 3369-2003《Micaceous ironoxide phenolic anticorrosive paint》
- 6HG/T 3349-2003《Various colour phenolic enamel》
- 7JB/T 9386-2017《Pendulum damping testers》
- 8ASTM D4366-2021《Standard Test Methods for Hardness of Organic Coatings by Pendulum Damping Tests》
- 9ISO 1522-2022《Paints And Varnishes - Pendulum Damping Test》
- 10GB/T 1730-2007《Paints and varnishes—Pendulum damping test》