... anaerobic microorganisms to do fermentation, which in return increases the biogas output ratio.II ... ,1500kg,1h)In good condition5Airproof performance(10kPa,36h)In good condition6Acid-resistance(5% H2SO3,72h)In good condition, unfading7Alkaline-resistance ... (10% NaOH,72h)8Tensile strength rate(80°C,100h)%Longitudinal≤8Transverse9Cold-resistance(-45°C)In good ...