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1151
[Page extract]
TAPPI T 818
The ring crush test correlates with edgewise compression strength of paperboard. This method is intended for paperbaord between 0.28mm (0.011 in.) and 0.51mm (0.020 in) thick.
1152
Caso de estudio
Wall-mounted air freshener destructive loading evaluation
Requirement
The customer wished to apply a controlled load of 350N to a wall mounted air freshener, replicating the effect of a child standing on it. The load needed to be applied in turn to 4 different planes on the product, e.g.
1153
[Page extract]
ASTM D 2979
1.1 This test method covers measurement of the pressure sensitive tack of adhesives.
1154
Caso de estudio
Peel test of semi-rigid packaging for medical device
Customised engineering example
Our client needed to test the peeling quality of a Tyvek® paper lid used to seal a sterile, semi-rigid thermoformed plastic tray containing pre-filled syringes.
1155
[Page extract]
BS ISO 4919
Specifies a method for determination of tuft withdrawal force and is applicable to all carpets with a cut or loop pile yarn structure.
1156
Caso de estudio
Luer lock fastening and release torque
Customised engineering example
Luer lock test standards frequently call for measuring torque whilst simultaneously applying a pre-defined axial force.
1157
Event
Packaging: Edge Crush & Carton Crush testing
The Edge Crush Test (ECT) and Carton Crush Test (CCT) are codified international test methodology. They are used in the packaging industry to assess the strength and durability of corrugated boxes or paperboard materials and others.
1158
Caso de estudio
Card and paper crease line testing
Customised engineering example
A packaging production company needed to test the crease force of the ink-coated card used in their fully-enclosed cartons.
1159
Página
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1160
[Page extract]
TAPPI T 816
administratively withdrawn 'for lack of timely review'
ASTM D4521 equivalent, withdrawn
1161
Caso de estudio
Child safety - force to access lighter
Requirement
The customer manufactures lighters and is currently developing a case/guard designed to increase the safety for children.
1162
[Page extract]
ASTM D4476 / D4476M-14
ASTM D4476 is a test method used to determine the flexural properties of fiber-reinforced pultruded plastic rods. The specimen used is a rod with a semi-circular cross section, moulded or cut from lengths of pultruded rods.
1163
Caso de estudio
Magnet pull tester
Requirement
Magnetic separators trap and remove ferromagnetic foreign bodies from product streams, in order to guarantee high product quality and prevent damage to machinery and processing equipment.
1164
Event
Understanding Adhesion Strength: 180 Degree Peel Test
Across many households and industries, consumers have developed a strong preference for and confidence in ‘Duct Tape’ for all types of uses and applications. This is mainly due to the adhesion strength.
1165
[Page extract]
ASTM D3983
This test method describes a method of measuring the shear modulus and rupture stress in shear of adhesives in bonded joints.
1166
[Page extract]
ASTM D2061
No one test determines the suitability of a zipper for a specific end use. Since the tests are inter-related more than one may be needed for a complete evaluation.
1167
Caso de estudio
Split mandrels for closure torque testing
Customised engineering example
Smooth surfaces of twist caps, used on bottles and jars, require enough gripping force to avoid slipping during a torque test but without creating distortion in the cap.
1168
[Page extract]
ISO 16047
ISO 16047:2005 specifies the conditions for carrying out torque/clamp force tests on threaded fasteners and related parts.
1169
Caso de estudio
Cable duct strength testing
Customised engineering example
Our customer manufactures tubes and ducts for routing of cables and optical fibres. Installation of these uses blowing, pushing and pulling techniques.
1170
[Page extract]
ASTM D7233-08
This test method covers a procedure for determining the number of fractures present when paintbrush filaments are bent.
1171
[Page extract]
CETIE Guide 4
This document concerns the crowning process, using crown caps for which the seal is provided by a plastic liner, onto glass finishes adapted to either "pry-off" or "twist crown" applications.
1172
[Page extract]
ASTM F2824-10
1.1 This test method describes a method for the measurement of mechanical seal strength while separating the entire lid (cover/membrane) from a rigid or semi-rigid round container. 1.2 This test method differs from Test Method F88.
1174
[Page extract]
ASTM D5672-09
This test method covers a screening type quality control test used to determine if flexible polyurethane foam cushions are within the specified grade range for firmness.
1175
[Page extract]
ASTM D76-99
This specification covers operating characteristics of tensile testing machines for the determination of the force-elongation properties of textile materials.