Testex Press-O-Film Replica Tape Rolls

Description
Price: $36.00 to $50.00
Testex Press-O-Film Replica Tape Rolls
Testex Press-O-Film Replica Tape can be used with a Testex Micrometer or PosiTector RTR Replica Tape Reader to measure the surface roughness ("profile") of blast-cleaned steel.
Available in Grades Medium, Coarse Minus, Coarse, X-Coarse & X-Coarse Plus

Testex Press-O-Film Replica Tape offers a unique replica technique and with a simple Testex Micrometer or PosiTector RTR Replica Tape Reader will allow you to take accurate, low-cost blast-surface profile measurements. Testex Press-O-Film makes surface replicas easy to obtain and produces average maximum peak-to-valley readings that ensure optimum blasting effectiveness. Replicas can be retained for future needs.

The accuracy of Testex measurements is due to an innovative two-level film that can produce virtually exact replicas of the abrasive blast surfaces. The film is available in three different thickness grades to cover the most common range of blast profiles.

Measurements can be taken in locations that are not possible using conventional stylus devices, e.g. internal pipe diameters and grooves, etc.

Easy to use, remove the protective paper from the tape and place firmly on the blasted surface. Apply moderate pressure with the Burnishing Tool over the circular cut-out in the tape. Remove the tape.

The replica is now ready for measurement using the Snap Gauge.The Testex Tape is available in a Test Kit, comprising one roll of Coarse and one roll of X-Coarse Testex, Dial Thickness Gauge (specify metric or inch gauge), Training Surface, Burnishing Tool and instructions.


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Testex Gauge
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The Testex Gauge is used to measure the Testex Tape and determine the average maximum peak-to-valley height of the blasted profile.

Measurements are made by firstly zeroing the gauge on 50µm (2mils). This is to allow for the film backing. Place the replicated area between the anvils and gently lower the moveable anvil onto the film. The reading can now be taken, giving you the average peak-to-valley height of the blasted profile.

Supplied in a Carrying Case with Burnishing Tool.

The Testex Snap Gauge is available in a Test Kit, comprising 2 rolls of X coarse Testex (specify if you require other grades), Snap Gauge, Training Surface, Burnishing Tool and instructions.


Click to enlarge image


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Standards Compliance
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Standards Governing Use of Replica Tape to Measure Profile

ASTM - (American Society for Testing and Materials) D 4417:

  • Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel

NACE - International (National Association of Corrosion Engineers) RP0287:

  • Standard Recommended Practice: Field Measurement of Surface Profile of Abrasive Blast Cleaned Steel Surfaces Using a Replica Tape

SSPC - the Society for Protective Coatings

ISO - International Organization for Standardization: Standard ISO8503-5 Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 5: Replica tape method for the determination of the profile

In cases where standards compliance is required, the full original current standard should be consulted.


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Specifications
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Testex Press-O-Film replica tape is available in a variety of thicknesses to facilitate profile measurement in differing ranges:

Grade (descriptive)
Range When Used With Gauge (mils) / (microns)
Fine / Mediumnot applicable
Coarse Minus 0.5 to 1.0 / 12 to 25
Coarse0.8 to 2.5 / 20 to 64
X-Coarse1.5 to 4.5 / 38 to 115
X-Coarse Plus 4.6 to 5.0 / 117 to 127


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Downloads
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Testex Micrometer Dial Thickness Gauge
  • To be used with Testex replica Press-O-Film Tape to measure the surface roughness of blast cleaned surfaces.
Testex Micrometer Dial Thickness Gauge


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Downloads
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Testex Press-O-Film Replica Tape Rolls - Data Sheet
Testex Press-O-Film Replica Tape Rolls - Brochure


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