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International Standards

ASTM D 6988

Introducing ASTM D6988 - Industrial Physics  

ASTM D6988 is a global ASTM international standard method to determine for plastic film thickness testing.  

It’s a comprehensive set of standards for plastic film thickness testing that creates industry integrity, guides the manufacturing process and improves the final product.  

Using a reliable digital micrometer makes this type of plastic film testing achievable in the lab. 

Plastic films suitable for ASTM D6988 testing 

Before we list the types of plastic film suitable for this ASTM international test method, how do you define a plastic film? Well, it’s a plastic sheeting with a nominal thickness no greater than 0.25 mm (0.010 in.). 

There are a number of plastic films that can be inspected using ASTM D6988 testing, which include: 

  • Low density (LDPE) - Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene 
  • Linear low-density polyethylene (LLDPE) - a substantially linear polymer (polyethylene), with significant numbers of short branches 
  • High-density polyethylene (HDPE) is a thermoplastic polymer produced from the monomer ethylene. 

ASTM D6988 testing equipment 

So, how can Industrial Physics improve your ASTM D6988 testing?  

Digital Micrometer 49-56 

The popular 49-56 digital micrometer gives precise thickness measurements. Whether you’re working with paper, plastic and plastic films or tissue paper, nonwovens, textiles and other sheet-like substrates. 

It’s the tool for the job when your plastic sheet materials must hit international standards, including ASTM D6988, ISO, EDANA and more.  

Digital Micrometer 49-86 

The TMI 49-86 digital micrometer is another great thickness testing option for thin samples and products made from paper, film, or non-wovens. Its precision digital linear encoder measuring system has an ultra-clear, easy-to-read digital display.  

It has a measurement range of 0-0.050 in. (0-1.27 mm), but you can talk to us about specialty digital micrometer models - available for corrugated, composites and rubber sheet materials - up to up to 12.7mm thick. 

It takes some beating when it comes to testing plastic sheeting! 

Your global test and inspection partner for ASTM D6988