材料性能
◆ 三层复合材料（纺粘无纺布与透湿膜的多层复合结构）提供了良好的透湿性、阻隔性和柔软手感；
◆ 材料具有不渗透、防穿刺、低落絮的特点；
◆ 材料适合于环氧乙烷灭菌；
◆ 材料符合AAMI Level 4的预期要求，通过ASTM F1670防止人造血液穿透和ASTM F1671 防止Phi-X174噬菌体穿透的测试；
◆ 材料提供优良的透湿性。
材料应用
◆ 抗病毒防护服。
典型MBB三层复合材料物理性能数据表
Physical Properties of Typical MBBTMThree-Layer Laminated Material
Barrier High
阻隔性高
AAMI Level AAMI等级 | Liguid Volume 液体量 | Pressure on Surgical &Drape 施加在手术衣和手术洞单上的压力 | Estimated Liquid Volume and Operation Time 预计液体量和手术时间 | Applicaton 应用 |
Level 4 | Large Volume 多量  | High | ≥500ml ≥3hrs | Large liquid volume operations and operations for infectious patient 血液量多的手术、感染病患者手术 |
Level 3 | Medium Volume 中程量 | Medium | ≥100-500ml 1-3hrs | General operations 一般手术 |
Level 2 | Small Volume 少量 | Low | ≤100ml ＜1hr | Simple operations 简易手术 |
Level 1 | Very Small Volume 极小量 | VeryLAW | Very small volume & very short time 极小量 极短时间 |
|
Barrier Low
阻隔性高
They are typical values for the tested sample only and shall not be used as product specification.
Technical Data Sheet
Product code: LF30051
Properties | Unit | Test Result | Test Method |
Basis Weight | gsm | 63.6 | IOS 9073-1-1989 |
Bursting Strength（Dry） | KPa | 181.3 | EN IOS 13938-1-1999（at 7.3 cm2） |
Tensile Strength MD | N/5cm | 106.1 | ASTM D5035:2006 |
Tensile Strength CD | N/5cm | 52.5 | ASTM D5035:2006 |
Trapezoid Tear Strength MD | N | 27.1 | ASTM D5035:2006 |
Trapezoid Tear Strength CD | N | 53.8 | ASTM D5035:2006 |
Hydrostatic Head | cm．H2O | 165.2 | AATCC 127-2003 |
PH Value | NA | 6.9 | ISO 6588-2-2005 |
Resistance to synthetic blood penetration | NA | pass | ASTM F1670/F1670M-08(2014) |
Resistance to Viral penetration | NA | pass | ASTM F1671/F1671M-13 |
Water-vapor transmission rate-desiccant method | g/(m2.24h) | 3254 | JIS L 1099-2012 7.1.1(40°C，90%) |
Water-vapor transmission rate-water method | g/(m2.24h) | 880 | ASTM E96/E96M-2013(23°C，50%) |
