Material Specification:
Thermal Properties
Thermal Shock 2000 cycles (90 sec. at 75 °C, 90 sec. dwell, 90 sec. at 15°C) No effect
Should not be subjected to dry-ice or liquid nitrogen.
Smoke Emission Low Smoke Emission – BS 6853 1999 App. D Clause d.8.4
Result – Ao(on) 8.75, Ao(off) 10.41
Flammability Class 0 as classified by the current UK Building Regulations
Thermal Decomposition 660° F (350° C)
Glass transition temperature (Tg) 250 - 265° F (120 - 130 °C)
Mechanical Properties
Tensile strength 12’330 psi (85 MPa)
Tensile Modulus 1’523’000 psi (10,500 MPa)
Elongation at break 0.8%
Flexural strength 16’000 psi (112 MPa)
Flexural Modulus 1’450’000 psi (10,000 MPa)
Compressive Strength 27500 psi (190 MPa)
Coefficient of linear thermal expansion 3.54 x 10-5
Water absorption - 24 hours at 23°C 0.06-0.068% by weight. Tested to ISO 62 (1980)
Radioactive Decontamination BS 4247 Part 1 Test A
Decontamination factor (geometric mean) 5598.0
Deviation factor 1.25
Ease of decontamination classification Excellent
Chemical Resistance (24 hour spot test. Based on BS EN 438-2:1991)
Acetone Unaffected
Hydrogen Peroxide Unaffected
Acetonitrile Unaffected
Methanol Unaffected
Ammonium Hydroxide 28% Unaffected
n-Butanol Unaffected
Aqua regia Unaffected
Nitric acid 70% Very slight bleaching
Benzyl alcohol Unaffected
Nitric acid - concentrated Slight yellowing
Chloroform Unaffected
Nitric acid - fuming Attack and staining
Chloroform - 100% Unaffected
Perchloric acid – 0.1N Unaffected
Chromic acid pickle (*1) Unaffected
Phosphoric acid - concentrated Unaffected
Dichloromethane Surface attack
Potassium hydroxide pellet (*2) Unaffected
Dimethylformamide Unaffected
Sodium hydroxide - 50% Unaffected
Ethyl acetate Unaffected Unaffected
Sodium hydroxide pellet (*2) Unaffected
Formaldehyde 37% Unaffected
Sodium hypochlorite Unaffected
Hydrochloric acid - 30% Unaffected
Sulphuric acid - 70% Unaffected
Hydrochloric acid - concentrated Unaffected
Sulphuric acid - concentrated Surface Attack
Hydrofluoric acid - 40% Slight bleaching
Xylene Unaffected
*1 - 72g/l chromium trioxide + 360g/l sulphuric acid Ɣ
*2 - Changes to concentrated solution, then partly carbonates.
*3 - Simmons may alter the specification of epoxy resin systems without notification