What is the test speed for ISO 8295?

ISO 8295 requires a test speed of 100 ± 10 mm/min. This is slower than ASTM D1894 (150 mm/min), and the difference can produce slightly different kinetic COF values on viscoelastic films.

What is the difference between ISO 8295 Method A and Method B?

Method A uses a 200 g sled and is comparable to ASTM D1894. Method B uses a 100 g sled for lighter or more delicate films where the standard 200 g load could compress surface slip additives and produce inaccurate results.

Can I use the same test results for both ISO 8295 and ASTM D1894 compliance?

Not directly. The two standards differ in test speed (100 vs 150 mm/min) and conditioning duration, so results are not interchangeable. However, if your instrument can run both speeds, you can test the same specimens under both conditions and report separately.

What is the minimum stroke required by ISO 8295?

ISO 8295 requires a minimum stroke of 80 mm. The MXD-02A offers selectable strokes of 70 mm and 150 mm; the 150 mm setting satisfies the ISO 8295 requirement with margin.

Does ISO 8295 apply to paper and rubber as well as plastic film?

ISO 8295 is written specifically for plastics film and sheeting. For paper and paperboard, TAPPI T816 or ISO 15359 are more appropriate. For rubber, ISO 15113 applies.

How does the MXD-02A switch between ASTM D1894 and ISO 8295 modes?

The PC software includes a standard selection menu. Choosing ISO 8295 automatically sets the drive speed to 100 mm/min, adjusts the kinetic averaging zone to exclude the ISO-specified edge regions, and formats the output report to cite the ISO standard and the selected method (A or B).

ISO 8295 — Plastics Film and Sheeting Coefficient of Friction Testing

What Is ISO 8295

ISO 8295 specifies a horizontal-plane test method for determining the static coefficient of friction (also called the breakaway friction) and the kinetic coefficient of friction of plastic film and sheeting. It was developed by ISO/TC 61 (Plastics) and harmonizes with European EN standards through the CEN adoption process. Like ASTM D1894, it uses a weighted sled drawn across a flat specimen at constant speed while a load cell records the resisting force. Static COF is derived from the initial peak force; kinetic COF is derived from the mean force during sustained sliding. Results are expressed as dimensionless COF values. ISO 8295 is commonly referenced in European packaging film specifications, flexible packaging quality plans, and international trade contracts between European and Asian film producers.

Differences from ASTM D1894

The most significant difference between ISO 8295 and ASTM D1894 is test speed: ISO 8295 requires 100 ± 10 mm/min, while ASTM D1894 requires 150 ± 30 mm/min. Because kinetic friction can be rate-dependent for viscoelastic polymer films, the two standards do not always produce identical kinetic COF values on the same material. ISO 8295 also offers two sled weight options (Method A: 200 g; Method B: 100 g), whereas ASTM D1894 specifies only the 200 g sled. The minimum stroke requirement in ISO 8295 is 80 mm, compared to the 130 mm typically used in D1894 practice. Conditioning requirements are similar (23 ± 2°C, 50 ± 5% RH) but ISO 8295 specifies a minimum conditioning period of 16 hours, slightly shorter than the 40 hours recommended in D1894.

Test Methods A and B

ISO 8295 Method A uses a 200 g sled with a flat base of 63 × 63 mm. This method is appropriate for most commercial plastic films including PE, PP, PET, and multilayer laminates. It is the method most directly comparable to ASTM D1894 and is preferred when dual compliance reporting is required. ISO 8295 Method B uses a 100 g sled, also with a 63 × 63 mm base. The lighter sled reduces the normal force to approximately 0.98 N, making it appropriate for very light or delicate films where the 200 g sled might compress surface treatments or slip additives and produce artificially low COF readings. Method B is also used when testing thin single-layer films where the 200 g load could cause excessive deformation. The test report must specify which method was used.

Apparatus Requirements

ISO 8295 requires a horizontal test bed that is smooth, flat, and level. The sled must be of the specified mass (200 g for Method A, 100 g for Method B) and must have a flat, smooth, rigid base of 63 × 63 mm. The connecting line between the sled and the force transducer must be inextensible and oriented parallel to the test bed surface. The drive mechanism must maintain a constant speed of 100 ± 10 mm/min. The force transducer must have an accuracy of 1% or better over the measurement range. The test stroke must be at least 80 mm. If the apparatus can record a continuous force-displacement curve, the static peak and kinetic plateau are identified analytically; if not, the peak and plateau readings are noted manually. Temperature, humidity, and specimen identity must be recorded with each test.

Procedure and Reporting

Condition specimens for at least 16 hours at 23 ± 2°C and 50 ± 5% RH. Cut specimens large enough to cover the test bed with adequate overhang. Secure the bed specimen flat. Mount the sled specimen on the sled with the test surface facing outward. Attach the connecting line to the load cell and verify it is horizontal. Initiate the drive at 100 mm/min. Record the peak force (static event) and the mean plateau force over the kinetic zone (excluding the first 10 mm and last 10 mm of stroke). Repeat for a minimum of five specimens. Report: method used (A or B), mean and standard deviation of static COF and kinetic COF, test speed, sled mass, ambient conditions, specimen material identification, and any deviations from the standard.

Which KHT Model Supports ISO 8295

**ISO 8295 is a built-in preset on MXD-02A and MXD-02; it is not a preset on MXD-01 or MXD-01A.** Choose accordingly: **MXD-02A — Export Flagship (recommended)** ships ISO 8295 as a one-touch mode that auto-applies 100 mm/min and the correct calculation zone. The 200 g sled is included for Method A; the 100 g sled for Method B is available as an option. The base-plate-drag mechanism plus 0–10 mm sample thickness make it the natural fit for export labs running ISO-certified film QC. **MXD-02 — Multi-Standard Pro** also has ISO 8295 as a preset and is the better choice when the lab additionally runs TAPPI T816 (paper) and needs the 1,200 mm/min high-speed mode for GB/T 22895. Both 200 g and 500 g sleds ship standard. **MXD-01 / MXD-01A** do not support ISO 8295 as a built-in preset — they cover GB 10006 and ASTM D1894 only. Customers needing ISO 8295 should specify MXD-02A or MXD-02. See [the comparison page](/products) for the full side-by-side.

ISO 8295 — Plastics — Film and Sheeting — Determination of the Coefficients of Friction