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Compression Set - Standard

Instrument for the execution of Compression set test at constant deformation.

Standards the instrument complies with:

Automotive
NON-METALLIC MATERIAL TESTS - Elastomer compression set under constant load and constant deflectionFIAT 50410
Cellular Products
Flexible cellular polymeric materials -- Determination of compression setISO 1856 Standard Specification for Flexible Cellular Materials—Sponge or Expanded RubberASTM D1056 Flexible cellular polymeric materials -- Sponge and expanded cellular rubber products -- Specification -- Part 1: SheetingISO 6916-1 Flexible cellular polymeric materials – Sponge and expanded cellular rubber products – Specification – Part 2: Mouldings and extrusionsISO 6916-2
O-Rings and Gaskets
Standard Test Methods for Rubber O-RingsASTM D1414
Rubber & Elastomers
Rubber, vulcanized or thermoplastic -- Determination of compression set -- Part 1: At ambient or elevated temperaturesISO 815 Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications- Part 1: Vulcanized rubberEN 681-1 Standard Test Methods for Rubber Property—Compression SetASTM D395-B

Overview
The device complies with ISO 815, ASTM D 395 Method B, DIN 53 517 standards.

The instruments consist of:
• Stainless steel platens (2 or 3);
• 4 stainless steel spacers with standard or custom thickness.
• 4 Bolts for closure of the platens for high temperature application.

How to perform a test
To perform a test:
1) Insert the samples between the test plates
2) insert the spacers requestd to obtai the expected deformation
3) Close the bolts until the plates come in contact with the spacers to apply the expected deformation
3) Place the whole device in an oven at the set temperature and for the desired test time
4) Remove the device from the oven and mesure the permanent deformation using the procedure described in the standards

Surface Rugosity of the plates
• The measurement of the surface roughness of the device is reported in the calibration report of the instrument and guarantees full compliance with the requirements of the standards.
• The Identification Code imprinted on the Plates guarantees the traceability of the measurements made.

Accessories
• Mould for sample prepation
• Thickness meter for the measure of sample thickness

Technical specifications

Reference Standards
Standards the instrument complies with: FIAT 50410; ISO 1856; ASTM D1056; ISO 6916-1; ISO 6916-2; ASTM D1414; ISO 815; EN 681-1; ASTM D395-B;
Testing Configuration
Dimensions of the plates (each) (WxDxH) 80x160x15 mm	Number of plates 2 or 3	Spacers for big compression set sample according to the different standards ISO 815 Type A: 9,35 mm ± 0,05 mm ASTM D 395 Type 1A: 9,5 mm ± 0,02 mm DIN 53 517-II: 9,38 mm ± 0,01 mm	Spacers for small compression set sample according to the different standards ISO 815 Type B: 4,75mm±0,05mm ASTM D 395 type 2B: 4,5mm±0,01mm DIN 53 517-I: 4,72mm±0,01mm
Technical specifications
Weight of the instrument (2 plates) 2 Kg