Penetration and Puncture resistance | Mecmesin

Penetration resistance testing involves the insertion of a probe into a material to a known depth.

This can determine the change of state of a material that cures or sets. It can also characterise the texture of a material (e.g. food, pharmaceutical preparation or cosmetic) whose firmness is a measure of its quality.

Ball and cone probes are typically used for gels or viscous materials, needle probes for elastomeric pharmaceutical stoppers, whilst broader radiused probes are used for cement and wet concrete.

Puncture resistance testing involves using a pointed probe to stretch a material until it pierces and tears.

Puncture resistance measures the:

sharpness of a point by penetrating into a known membrane.
resistance strength of a membrane by piercing it with a point of known sharpness.

Puncture testing is therefore just as important for medical devices such as hypodermic and suturing needles, as it is for silicone-stopped vials, and sharps containers.

Puncture testing at higher test speeds is typically used for sharps, and for protective clothing such as gloves, stab vests, and fabrics for inflation.

Slow puncture testing employs a radiused probe under load, applied more slowly, and is important for materials such as foils and films, construction membranes or geotextiles.

Standards

Featured or equivalent test standards for Mecmesin solutions in this section

ASTM D3577

Standard Specification for Rubber Surgical Gloves

ASTM D3578

Standard Specification for Rubber Examination Gloves

ASTM D412-16

Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers— Tension1

ASTM F2132-01

Standard Specification for Puncture Resistance of Materials Used in Containers for Discarded Medical Needles and Other Sharps

BS EN 14477

Packaging. Flexible packaging material. Determination of puncture resistance. Test methods

BS EN 520

Gypsum plasterboards. Definitions, requirements and test methods

BS EN 71-1

Safety of toys. Part 1: Mechanical and physical properties

BS EN ISO 7886-1

Sterile hypodermic syringes for single use Part 1: Syringes for manual use

ISO 374-4

Protective gloves against dangerous chemicals and micro-organisms — Part 4: Determination of resistance to degradation by chemicals

ISO 8362-7

Injection containers and accessories — Part 7: Injection caps made of aluminiumplastics combinations without overlapping plastics part

ISO 8362-7

Injection containers and accessories — Part 7: Injection caps made of aluminiumplastics combinations without overlapping plastics part

USP 1207.3

USP 1207.3 - Package Integrity Evaluation - Sterile Products

Test types

Further or specific test types in this section

cone penetration

needle penetration

puncture resistance

Puncture resistance testing graphic

Puncture resistance is a function of controlled stretch and tear at a point.

Term Video

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