NINGGUO BST THERMAL PRODUCTS CO., LTD Applicant address: 58# 2-101, FENGHUANGCITY, NINGGUO CITY, ANHUI PROVINCE, CHINA Description of the test subject: Sample Product Name: SILICONE FIBERGLASS FIRE SLEEVE 001 Composition: SILICONE, FIBERGLASS Color: RED Receipt Date of Sample: Sample submitted: The sample(s) was (were) submitted by applicant and identified. Conclusion: Test Items No. Items Testing of materials, small components and component sections for rail vehicles – Determination of burning behaviour using a gas burner. Note: (1) General Terms & Conditions as mentioned overleaf,(2)The results relate only to the items tested,(3)The test report shall not be reproduced except in full without the written approval of the company. (4) Samples are tested as received. Changzhou Jinbiao Railway Transportation Technical Service Co.,Ltd. No. 164, Wuyi Road ,Lucheng Street, Wujin District, Changzhou city, Jiangsu Province, 213015 P.R. China

Test Results DIN 5510-2:2009 Preventive Fire Protection in Railway Vehicles - Part 2: Fire Behaviour and Fire Side Effects of Materials and Parts; Classification, Requirements and Test Methods 1. DIN 54837:2007 Testing of materials, small components and component sections for rail vehicles – Determination of burning behaviour using a gas burner 1.1 Sample details Specimen size 1.2 Test results Specimen No. 1 Drop Away (Yes/No) Burning time Burn through Flame Height Reached at Drop away of parts Maximum Smoke Density Charred Length Note: (1) General Terms & Conditions as mentioned overleaf,(2)The...

Test method Smoke (%×min) Requirements according to DIN 5510-2:2009 Burning Class Smoke class Dripping Class Test according to DIN 53438-2/3 required Burning / falling drops, afterflame of drops>20 s No dripping / No falling drops Damaged length≤25 cm, afterflame≤100 s, (No individual value ≥ 120s) Damaged length≤20cm, afterflame≤10s, Damaged length=0cm Afterflame=0s Statement：The test results relate to the behaviour of the test specimens of a product under the particular conditions of the test; they are not intended to the sole criterion for assessing the potential smoke and toxicity hazard...

Changzhou Jinbiao Railway Transportation Technical Service Co., Ltd. Drafted by: Note: (1) General Terms & Conditions as mentioned overleaf,(2)The results relate only to the items tested,(3)The test report shall not be reproduced except in full without the written approval of the company. (4) Samples are tested as received. Changzhou Jinbiao Railway Transportation Technical Service Co.,Ltd. No. 164, Wuyi Road ,Lucheng Street, Wujin District, Changzhou city, Jiangsu Province, 213015 P.R. China