英國標準 BS 476-7塑料, 塑膠, 木板等火焰傳播測試
  
| 更新時間 2025-01-05 20:00:00 價格 請來電詢價 測試周期 5-7天 寄樣地址 深圳寶安 價格費用 電話詳談 聯系電話 17324413130 聯系手機 17324413130 聯系人 羅卓文 立即詢價 |
Test item 測試名稱: fire propagation 火焰傳播
Refer products 涉及產品: 塑料, 塑膠, 木板...
Test limit 限量要求：
The results on the flame spread on the material surface should smaller than 165mm from the reference measuring point.
| Flame spread at 1? minutes | Final flame spread | |||
| Classification | Limit | Tolerance for one specimen in sample | Limit | Tolerance for one specimen in sample |
| mm | mm | mm | mm | |
| Class 1 | 165 | 25 | 165 | 25 |
| Class 2 | 215 | 25 | 455 | 45 |
| Class 3 | 265 | 25 | 710 | 75 |
| Class 4 | Exceeding Class 3 limits | |||
Sample request 送樣規格:
A minimum 9 test specimens shall be provided, and they shall be representative of the exposed surface of the product
885 mm X 270 mm X thickness (less than 50mm) x 9pcs
it is required to state the product normally used with/without an air gap behind it and the exposed face.
Lead time 測試周期：normal 10 working days
Others 其他信息:
1. Class 0 ( BS476-6 and BS476-7 )
The material must meet the requirement of Class 1 results to BS 476: Part 7
have a sub-index I1 ≤ 6 and a total index I ≤ 12 results to BS 476 Part 6
Sample for reference 參考圖片:
">Sample Report 報告樣本：
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