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Mullen Type Bursting Strength Tester Models HT8020/8320/8321
The Mullen Type Bursting Strength Testers, Models HT8020A and HT8320A, are designed to measure the maximum bursting strength of paper and paper products having a bursting strength of 50 kPa up to 1200 kPa (7 psi up to 175 psi) in the form of flat sheets of up to 0.6 mm (0.025 in.) in thickness as described in TAPPI T 403 om-02 “Bursting Strength of Paper”. Hung Ta™ Instruments
Hung Ta™ Instruments Model HT8020A
Model HT8020A
Hung Ta™ Instruments Model HT8320A
Model HT8320A
These models may also be used to determine the bursting strength of paper and paper products occurring as single or laminated flat sheets not over 0.6 mm (0.025 in) in thickness having a bursting strength of 30 kPa up to 1400 kPa (4 psi up to 200 psi) as described in ASTM D774/D774M “Standard Test Method for Bursting Strength of Paper” as well as ISO 2758 “Paper - Determination of Bursting Strength”.
Hung Ta™ Instruments Model HT8320
Model HT8320
Hung Ta™ Instruments Model HT8020B
Model HT8020B
The Mullen Type Bursting Strength Testers, Models HT8020B, HT8320 and HT8321, may also be used in testing corrugated, fiberboard and linerboard as described in TAPPI T 807 om-03 “Bursting Strength of Paperboard and Linerboard”.
Additionally, the Models HT8020B, HT8320 and HT8321 may be used for testing corrugated and solid fiberboard as described in TAPPI T 810 om-06 “Bursting Strength of Corrugated and Solid Fiberboard”.
Hung Ta™ Instruments Model HT8321
Automatic Model HT8321
Bursting Strength Tester: Specifications
Model: HT8020A HT8320A HT8020B HT8320 HT8321
Capacity: 0—100 kg/cm²
Adjustable
20/50 kg/cm²
20/100 kg/cm²
50/100 kg/cm²
Selectable
Clamping Diameter:
(High Pressure)
Upper: 31.5 ± 0.05 mm
Lower: 31.5 ± 0.05 mm
Clamping Diameter:
(Low Pressure)
Upper: 30.48 ± 0.03 mm
Lower: 31.75 ± 0.25 mm
Pressurization: High pressure: 170 ± 20 ml/min
Low pressure: 95 ± 10 ml/min
Depressurization: High pressure: 340 ± 20 ml/min
Low pressure: 190 ± 10 ml/min
Display: Digital
kg/cm²
Dial Indicator
kg/cm² and mPa
Display Resolution: 0.1 kg/cm²
Motor: 1/4 HP, 110 VAC or 1/3 HP, 220 VAC; 50/60 Hz
Dimensions (cm): 53 x 36 x 63 64 x 35 x 75 64 x 35 x 50 64 x 35 x 62 92 x 34 x 72
Net Weight (kg): 110 130 100 120 120
List Price: Please Submit a Request for Quotation (RFQ)

Index Terms: bursting strength, bursting strength of paper, Mullen Test, Mullen Burst Test, burst test, paper, paper products, ASTM D774, ASTM D774M, ASTMD774/774M, TAPPI T403, TAPPI T 403, TAPPI T807, TAPPI T 807, TAPPI T 810, TAPPI T810, om-06, om-02, om-03, cardboard, corrugated, corrugated cardboard, solid fiberboard, fiberboard, linerboard, paperboard, corrugated paper, Rule 41, edge crush test, ECT, 85.060.
Copyright © 2006 CCSi, Inc. • All Rights Reserved • Published August, 2006
Corporate Consulting, Service & Instruments, Incorporated
221 Beaver Street • Akron, Ohio 44304 USA
Telephone: 800.742.8535 / 330.376.3600 • Facsimile: 800.229.9329 / 330.376.8500
www.ccsi-inc.com www.orecozone.net