| 有效期 | 长期 |
|---|---|
| 类 别 | 门窗 - 金属门窗 |
| 规格型号 | |
| 产品数量 | |
| 地区 | 江苏 - 苏州 |
| 详细链接 |
对于国家节能工程的响应，我司推出的高强度节能气密窗3500系开窗，其性能如下：
根据GB8479,3500型窗被定为A类窗
一等品 （A2级）
3500 series window is certified as Grade one of type A (A2) according to Gb8479.
抗风压性
属于GB/7106-86第I级
The wind pressure resistance is cetetificated to be Grade 1 a according to Gb7106-86
抗空气渗透性
属于GB/7107-86第I级
The air permeation resistance is certificated to be Grade I according to Gb7107-86
抗雨水渗漏性
属于GB/7108-86第II级
The rain resistacne is certificated bo be Grade II according to Gb7108-86
保温性能
属于GB/T 8484-87第II级
The heat preserviaton is certified to be Grade II accoding to GB/T 8484-87
空气声隔声性能
属于GB/T 8484-87第IV级
The air-borne sound insulation is certitied to be Grade IV according to GB/T 8484-87