The burst test is frequently used as a general guide to the strength of paper, solid board and corrugated board. Bursting strength is usually quoted in kPa. We determine bursting strength using a digital hydraulic paper or digital hydraulic board burst tester as shown below.

 Burst testing machine at Smithers 
Burst index (kPa.m2/g) = burst strength/basis weight.

Standards and accreditation

Smithers' UKAS ISO 17025 accredited testing can be performed to both British and International standards; BS 3137, BS 2922:1, ISO 2758 and ISO 2759.

Hydrualic and pneumatic birsting stength testing is included in our Paper Proficiency Service.

Download a brochure for more information:

Smithers-Packaging-Technical-Services