The Measuring Development Plan (2013- 2020) issued by State Council points out that Food safety, clinical laboratory, biological, environmental protection, material science become the focus of research and development of reference materials.
Now, the reference materials of gas permeability, water vapor permeability and oxygen permeability produced by GBPI win the affirmation of Grade Secondary Reference Materials. GBPI becomes the first development organization of the reference materials of film permeability. These reference materials are mainly applied to the calibration and inspection of the gas permeability, water vapor permeability and oxygen permeability of packaging of food and drug. Reference Materials plays a very important role in packaging testing.
Definition
A substance or material that has been determined to have a sufficiently uniform property value, as a "measuring device" in the analytical measurement industry.
Function
v Calibrate, adjust and identify instrument and devices.
v Product quality control during the production
v Examine operation level the analyst
v Test characteristic value of substance or material
Types of Reference Materials
Reference Materials of Gas Permeability:
125 m Polyester Film Certified Reference Material of Gas Permeability
[Certificate Number: GBW(E)130541]
300 m Polyester Film Certified Reference Material of Gas Permeability
[Certificate Number: GBW(E)130542]
Reference Materials of Water Vapor Permeability:
125 m Polyester Film Certified Reference Material of Water Vapor Permeability
[Certificate Number: GBW(E)130543]
300 m Polyester Film Certified Reference Material of Water Vapor Permeability
[Certificate Number: GBW(E)130544]
Reference Materials of Oxygen Permeability:
25 m Polyester Film Certified Reference Material of Oxygen Permeability
[Certificate Number: GBW(E)130497]
125 m Polyester Film Certified Reference Material of Oxygen Permeability
[Certificate Number: GBW(E)130498]
Reference Value of Reference Materials
Type of polyester film (PET) reference materials
Transmission Rate Reference Value
Specification
OTR PET reference materials
(62.8 ±2.9)cm3/(m2 ·24h)
25 m
OTR PET reference materials
(12.3 ±0.9)cm3/ (m2 ·24h)
125 m
GTR PET reference materials
(11.2 ±2.1)cm3/(m2 ·24h · 0.1MPa)
125 m
GTR PET reference materials
(4.7 ±1.2)cm3/(m2 ·24h ·0.1MPa)
300 m
WVTR PET reference materials
(4.4 ± 0.8)g/ (m2 ·24h)
125 m
WVTR PET reference materials
(1.8 ± 0.3)g/ (m2 ·24h)
300 m
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Services: Exports
Supplier: Chemicals, minerals, agro products, steel, aluminium, copper, scaffolding products, minerals, scrap, washing machine parts, refrigerator parts, micro oven parts & auto parts.
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Services: Sourcing
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Services:
Supplier: Metals and mineral ores, pig iron, steel billets , copper cathodes, coils, copper mill berry and manganese ore, mill scale, pink salt, charcoal and firewood, coffee beans, tapioca flour, wood, cocoa, vanilla beans, metal scrap, sugar, palm oil and chemicals
Services: Commodity trading company
Buyer: Metals and minerals and agri commodities
