Physical Testing

1. Rheological Tests

Properties Standard Test Method Test Pieces Price/Sample (THB)
Melt Flow Index (MFI) ISO 1133, ASTM D1238 plastic pellet, 100 g 400
Brookfield Viscometer 400
Mooney Viscosity ISO 289-1, ASTM D1646 compounded rubber, 100 g or uncompounded rubber, 250 g 500
Viscosity (Capillary Rheometer) ASTM D5099 200 g 1,000
Viscosity (Plate and Plate Rheometer) 600
Rubber Process Analyzer compounded rubber, 30 g 600

2.Cure Tests

Properties Standard Test Method Test Pieces Price/Sample (THB)
Moving Die Rheometer ASTM D5289, ISO 6502-3 compounded rubber, 15 g 500

3. Mechanical Tests

Properties Standard Test Method Test Pieces Price/Sample (THB)
Tensile Properties ISO 37 dumbbell : type I 500
ASTM D412 dumbbell : die C 500
Compressive Properties ISO 7743 cylindrical shape; diameter 29 mm. height 12.5 mm. 500
Tear Strength ISO 34-1 die : crescent 500
ASTM D624 die : B 400
Hardness (IRHD) ISO 48-2 thickness at least 6 mm. smooth surfaces 300
Hardness (Shore A) ISO 48-4, ASTM D2240 thickness at least 6 mm. smooth surfaces 300
Compression Set ASTM D395 cylindrical shape; diameter 29 mm. height 12.5 mm or cylindrical shape; diameter 13 mm. height 6 mm. 500
Abrasion Resistance (DIN Standard) DIN 53516 cylindrical shape; diameter 16 mm. height at least 6 mm. 500
Abrasion Resistance (AKRON Standard) BS 903 Part A9 (Method B) cylindrical shape; outside diameter 63.5 mm. inside diameter 12.7 mm. thickness 12.5 mm 1,000
Rebound Resilience ISO 4662 (Schob pendulum) thickness 12.5 mm. 400

4. Dynamic Mechanical Tests

Properties Standard Test Method Test Pieces Price/Sample (THB)
Heat build-up ASTM D623 cylindrical shape; diameter 17.8 mm. height 25 mm. or compounded rubber, 30 g 1,000
Dynamic Mechanical Analyzer
- 30-200 oC width 5 mm. length 40 mm. thickness 1-2 mm. 800
- N2 width 5 mm. length 40 mm. thickness 1-2 mm. 1,500/sample/2 hours
De Mattia Flexometer
Crack Growth Test (up to 120,000 cycles) ISO 132, ASTM D813 test piece (shown in figure 2 in ASTM D 813) or compounded rubber 120 g 1,000
Dynamic Fatigue Test (up to 120,000 cycles) ISO 132, ASTM D430 test piece (shown in figure 2 in ASTM D 430) or compounded rubber 120 g 1,000

5. Physical Characterisation

Properties Standard Test Method Test Pieces Price/Sample (THB)
Density (Hydrostatic method) 300
Particle Size Analyser (aqueous medium) 500
Heat Distortion Tester (HDT Tester) 1,000

6. Ageing Tests

Properties Standard Test Method Test Pieces Price/Sample (THB)
Liquid Resistance
- Change in weight ISO 1817, ASTM D471 width 25 mm. length 50 mm. thickness 2 mm. 500
- Change in volume width 25 mm. length 50 mm. thickness 2 mm. 500
- Change in tensile properties dumbbell : die C (ASTM D412) 1,200
- Change in hardness smooth surfaces,thickness at least 6 mm. 800
- Change in tear properties crescent (ISO 34-1), die : B (ASTM D624) 1,200
Ozone Resistance (up to 72 hours) ISO 1431-1 width 10 mm. length 80 mm. thickness 2 mm. 3 pieces 2,000
Hot Air Ageing Test ISO 188, ASTM D573 dumbbell : type I (ISO 37), die C (ASTM D412) 6 pieces 40 /hour
QUV Accelerated Weathering Test ASTM G154 1,000 /day
6,000 / 7 days
Change in color 400

7. Sample Preparation Services

Type Price (THB)
Compression Moulding (up to 30 min) 300/sample
Splitting Machine Price Negotiable

8. Rubber Mixing

Type Price (THB)
Internal Mixer Price Negotiable
Two-Roll Mill Price Negotiable

Rubber Services Request Form

Contact


Ms. Khwanjai Anujarawat
Tel: 0 2441 0511, 080 771 7098
E-mail: service@mahidolrubber.org

Rubber Technology Research Centre

999 Science Building 3, Phuttamonthon 4 Road, Salaya, Nakhon Pathom 73170 Thailand
Telephone: 0 2441 0511 Mobile: 080 771 7098
E-mail: info@mahidolrubber.org
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