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Our Services Chemical Analysis Test of Polypropylene (PP) Melt Blown Special Material
Test of Polypropylene (PP) Melt Blown Special Material
GRG Test has a professional and efficient technical team and advanced and accurate inspection equipment, which can provide customers with professional testing services for polypropylene (PP) melt blown special materials.
Service Introduction
As the core material of the mask, the performance of the melt blown PP material determines the quality of the mask. China has issued the national standard GB/T30923-2014 in 2014, which specifies the relevant performance requirements of the polypropylene (PP) melt blown special material. 
 

Product Scope: 

Polypropylene (PP) Melt Blown Special Material 
 

Test Cycle: 

7 working days 

 

Test Items: 

Test Item  Cycle Test Standard 
Melt mass-flow rate  7 days  GB/T 30923-2014
Ash content 
Appearance 
Volatile matter 
Di-tert-butyl peroxide residual amount 
Molecular weight distribution 
Qualitative analysis of the composition  GB/ T 6040-2002
Characteristics of melting and crystallization  GB/T 19466-2004