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International Standards

ASTM D3265

Introducing ASTM D3265 - Industrial Physics

ASTM D3265 is an ASTM international standard method to inspect the tint strength of commercial rubber grade carbon blacks.

Most rubber compounds use carbon black as a filler whether it’s used in the automotive industry for tires or the medical industry for making gloves. It strengthens the rubber and improves the physical characteristics while increasing volume and bolstering the vulcanization process.

ASTM D3265 tint strength testing

Tint strength can be used as an indication of particle size but it’s also dependent on structure and aggregate size distribution. So differences in tint strength within grades of carbon black may reflect differences other than particle size.

The ASTM D3265 test method was primarily developed to characterize the N100, N200, and N300 series of carbon blacks. Tint strength values within the carbon black industry were developed using an automatic muller apparatus which prepares carbon black-zinc oxide pastes.

ASTM D3265 testing equipment

So, how can Industrial Physics improve your ASTM D3265 testing?

TQC Bird-type film applicator

Bird-type film applicators are used for applying a predefined coating thickness.

Made by TQC Sheen, our paint testing specialist brand, this bird-type film applicator is made for a film width of 50mm with a max gap size of 2000 µm. Our bird-type film applicators are made from high grade stainless steel and they’re not affected by acid or base elements.

We make a wide range of bird-type film applicators and can also custom design them to suit your needs - just get in touch!

Let’s talk rubber testing

At Industrial Physics we have been involved in making quality equipment to test every aspect of rubber samples for several decades. We like to share the lessons we have learnt across the knowledgebase section of our website. As you have arrived on this page for carbon black testing you may find this blog on how car tires are made of interest.

Your global test and inspection partner for ASTM D3265