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/W812 Water Vapor Permeability Analyzer(Cup Method) WVTR Testing Equipment For Packaging

W812 Water Vapor Permeability Analyzer(Cup Method) WVTR Testing Equipment For Packaging

Product introduction

This product is based on the test principle of cup method water vapor transmission, and is designed and manufactured according to ASTM E96, GB/T 1037 standards, and provides a wide range and high efficiency water vapor transmission rate detection for low, medium and high water vapor barrier materials. test.

It is suitable for the water vapor transmission performance test of films, sheets, paper, fabrics, non-woven fabrics and related materials in the fields of food, medicine, medical equipment, daily chemicals, etc.

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Product Detail

Test principle

Desiccant (weight gain method) or place water (weight loss method) in the sample cup; seal the sample cup with the sample and place it in the test box; control the temperature, humidity and wind speed of the test box; The difference in humidity drives the water vapor to penetrate the sample, and the mass of the sample cup increases or decreases; the mass of the sample cup is regularly weighed, and the performance parameters such as the water vapor transmission amount of the sample are calculated.

Standard

ASTM E96GB/T 1037GB/T 16928GB/T 17146GB/T 12704GB/T 19082GB/T 21332ASTM D1653ISO 2528TAPPIT464DIN 53122-1YBB00092003

Technical parameters

Item

Technical parameters

Test range

film0.05~10,000 g/(m2·24h) Container0.0002~30 g/(pkg·24 h)

Test precision

film0.05 g/(m2·24h)Container0.0002 g/(pkg·24 h)

Test station

12 Pieces

Balance range

210 g

Balance indexing

0.1 mg

Temperature range

10~50±0.1 ℃

Humidity range

5%95%100% RH

air speed

0.5~2.5 m/s0.03~0.5 m/s optional

Sample size

Φ74 mm

Sample thickness

≤3 mm

Test method

weight gain method, weight loss method

Standard test area

33 cm2

Carrier gas specification

Air compressor

Air pressure

≥0.6 MPa

Connection size

Φ6 mm Polyurethane tube


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1. Product Introduction

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Application

W413 water vapor permeability tester is designed to test the water vapor transmission rate (WVTR) of films or sheets materials.


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