Principle The instrument is designed based on the balling method, and the primary adhesive property of adhesive tapes could be obtained by observing adhesive effect occurred

Test Principle In the determination of tack by rolling-ball method, a steel ball is released at the top of an inclined surface, then allowed to accelerate down and roll on an

Principle The test plate with adhesive specimen is vertically hanged on the stand and its bottom is attached with a standard weight. The lasting adhesive property could be

Principle The test plate with adhesive specimen is vertically hanged on the stand and its bottom is attached with a standard weight. The lasting adhesive property could be

Principle Method AProviding a constant air flux going through the specimen vertically, the air permeability could be obtained by measuring the pressure difference.Method

Standards This instrument conforms to many standards: ASTM D642, ASTM D4169,TAPPI T804, ISO 12048, JIS Z0212, GB/T 16491, GB/T 4857.4   Extended