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IS 7872 Indian standard Test Packge for Deep Chest Freezer
Name:IS 7872 Indian standard Test Packge for Deep Chest Freezer
Type:BND-RT01
Manufacturer:we are the manufacture of the refrigerator/freezer test package,Our IS 7872 Test Packages are designed with precision and durability in mind, ensuring that they meet stringent industry standards.
Product Description:

IS 7872 Indian standard Test Packge for Deep Chest Freezer

Model:BND-RT01

Accordint standard: IS 7872 Indian Standard

Dimensions and Mass Specifications

Sl No Dimensions (mm) Mass (g)
i) 50 x 100 x 100 500
ii) 50 x 100 x 200 1000
Sl No Dimensions (mm) Mass (g)
i) 25 x 100 x 200 500
ii) 37.5 x 100 x 200 750

Tolerances for New Test Packages

*Linear Dimensions:
±2 mm for dimensions from 25 mm to 50 mm
±4 mm for dimensions from 100 mm to 200 mm
*Mass: ±2%

Composition of Each Test Package

Each test package consists of filling material and a wrapper. The filling material per 1,000 g includes:

*230 g of oxyethyl methyl cellulose
*764.2 g of water
*5.0 g of sodium chloride

*0.8 g of para-chloromethane-cresol


The freezing point of this material is -1°C, with an enthalpy value of 285 kJ/kg corresponding to a temperature of (-1 ±0.5)°C. To compensate for evaporation during preparation, approximately 4% additional water should be added.


Instructions

1. Need at below zero temperature condition when long storing, the optimum temporary is -18.

2. Thawing: Should be natural thawed at room temperature, dont use such as microwave ovens, electromagnetic ovens to thaw.

3. Freezing: Beware of deformation when test package begin to freeze. Need repair timely if they have been deformed. The correct way is freezing in batches, when lower test package has completely freezing, add another one above it. This can prevents the lowermost test package by extrusion.

4. Seal: Keeping in sealed condition, once package is damaged should be repaired or discarded immediately, otherwise evaporation of water will affect the quality of test package.


 
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