| 标准编号 Standard/Code | 标准名称 Standard Title |
| AS/NZS 3837 | Method of test for heat and smoke release rates for materials and products using an oxygen consumption calorimeter |
Sets out a test method for the determination of ignitability, heat release rates, mass loss rates, effective heat of combustion and smoke release of materials and products when exposed to controlled levels of radiant heating.
This Standard specifies a test method for measuring the response of materials exposed to controlled levels of radiant heating with or without an external igniter. The test method is used to determine the ignitability, heat release rates, mass loss rates, effective heat of combustion, and smoke release of materials and products.Properties are determined as follows:(a) Rate of heat release, by measurement of the oxygen consumption, as determined by the oxygen concentration and the flow rate in the exhaust product stream.(b) Effective heat of combustion from a concomitant measurement of specimen mass loss rate, in combination with the heat release rate.(c) Smoke release, by obscuration of light by the combustion product stream.(d) Ignitability, as a measurement of time from initial exposure to time of sustained flaming.ObjectivesThe purpose of this Standard is to establish a test method for material and product evaluations, mathematical modelling, design purposes or development and research. The material may comprise specimens from an end-use product or the various components used in the end-use product.Test parametersSpecimens may be exposed to heating fluxes ranging from 0 to 100 kW/m2. External ignition, when used, is by electric spark. The value of the heating flux and the use of external ignition are to be as specified in the relevant material or performance standard. The normal specimen testing orientation is horizontal, independent of whether the end-use application involves a horizontal or a vertical orientation. Provisions are also made for vertical orientation testing; this is intended for exploratory or diagnostic studies only.NOTES:1 The test method does not prescribe the irradiance levels nor whether external ignition is to be used. For an insight into the development of the test method, the features of the apparatus and the use of the data, see Appendix A.2 See Appendix B for a list of papers that provide additional technical background.
Test Requirement 测试要求：
测试设备：
圆锥热量计量器火焰测试，
测试指标：
(a) 热释放率，由氧气消耗量决定；
(b) 有效热燃烧值和物质质量损失率；
(c) 烟释放率；
(d) 可燃性 ，产品加热后从不燃到可燃的时间。
样品要求：
A 100×100× thickness(<=50), 6 PCS（对于试样实际厚度小于6mm的试样，测试时应该带上试样实际使用的基材使其整体厚度不小于6mm）；B 提供样品密度(kg/m3)。
测试方法及流程：
测试前，样品用锡箔纸(烤箱烧烤那种)包好4角和样品的底部形成一个托盘，用于存储可能的融化物。水平放置样品，火焰从一侧点燃，同时给样品以50kw/m2的热辐射加热。
出现如下情况可以终止测试：
1.样品燃烧结束2分钟后；
2.平均物质质量损失率一分钟后降低到150gm2；
3.试验时间超过60分钟；
4.样品开始试验10分钟内不燃烧；
结果主要判定要求（其它判定参数未给出，详见具体测试报告）
|
判定要求 |
可燃程度 | 等级划分 |
| 2分钟内燃烧 | 易燃 | 4级 |
| 2-10分钟内燃烧 | 可燃 | 3级 |
| 10-20分钟 | 难燃 | 2级 |
| 20分钟以上 | 不然 | 1级 |
Sample Size 样品数量 / 送样规格: 100 by 100 mm, up to 50 mm thick, at least 8 pcs for at each level of irradiance selected and for each different exposed surface
Lead Time / TAT (Turn Around Time) 测试周期: 常规服务 Regular service 12 working days
Report Summary 报告摘要:
