... condition5Airproof performance(10kPa,36h)In good condition6Acid-resistance(5% H2SO3,72h)In good condition, unfading7Alkaline-resistance(10% NaOH,72h)8Tensile strength rate ... good condition10Resistance to penetration (steel pricker:100g,H:1m)unpierced11Ageing-resistance test(exposed to xenon lamp for 1000h)Free of bubble and ...