Marine C series polyimide foam products

Ship C series polyimide foam products are used as thermal insulation and sound absorption materials on naval ships and merchant ships around the world. In bulkheads, ceilings, ventilation ducts, pipes and other locations, the use of C series foam products can achieve the ideal heat insulation and noise reduction function, and the weight is extremely light, which is several tons lighter than the use of glass fiber insulation and noise reduction materials. Another outstanding performance of this series of foam is that it has good intrinsic flame retardancy, minimal smoke and non-toxic characteristics when burning.The polyimide foam has passed the International Maritime Organization (IMO) code for flame retardancy of high-speed ships. According to the material demonstration, this series of marine foam has been used in naval ships and a large number of commercial ships in more than 15 countries in the world for heat insulation and noise reduction.

Compared with other thermal insulation materials currently used, phenolic foam, glass wool and mineral wool, the minimum density can reach 6KG/M ³.

product details

Product Description

Thermal conductivity coefficient

Density

Product advantages

The thermal insulation products, such as glass fiber, glass wool or slag wool, which are widely used in the navigation field, have very big defects. First, they are very heavy. Generally, the density is dozens of times that of polyimide foam. The use of polyimide foam can reduce the weight of the hull or the hull by several tons or tens of tons, thus improving the energy economy; Secondly, the thermal conductivity is high. The thermal conductivity of polyimide foam thermal insulation material is one half or one third of the thermal conductivity of thermal insulation materials currently used on ships. The use of polyimide foam can greatly improve the thermal insulation effect of ships, pipes, cabins, etc; Thirdly, the thermal insulation products currently used have poor resilience and toughness, and slag will fall. The polyimide foam thermal insulation products have good resilience and toughness, which are unmatched by the thermal insulation products currently used on ships; Finally, polyimide foam is acid and alkali resistant, oil resistant, radiation resistant, UV resistant, hydrophobic, VOC is zero, odorless, easy to grasp, easy to install, intrinsically flame retardant, and can be customized to any shape.

Technical parameter

Technical parameter	Required technical indicators	Sample testing technical indicators	Testing standards
Density(KG/M³)	Not greater than150KG/M³	6-150 KG/M³ adjustable	GB/ T5480-2008(O)
Thermal conductivity coefficient	Not greater than0.04W/ (M • K)	0.035-0.037	GB/ T10295-2008
Resilience	Require the material surface to rebound after being compressed by 10% and restore its apparent quality.	Meet indicator requirements	Refer to JC/T8089 (foam asbestos)
Radiation resistance	After receiving a cumulative radiation dose of 10000GY, the specimen is required to have no significant changes in appearance.	There is no significant change in appearance after irradiation with a dose of 50000GY	Refer to JJF1018
Temperature resistance	8 (TC12H not sticky, -35 ° C, 15min not missing.).	Can last for a long time between -100C and 2 flights	According to the requirements of the client
Acid resistance	Soaking in 20% hydrochloric acid for 2 hours without significant changes	Meet indicator requirements	According to the requirements of the client
Alkali resistance	No significant changes observed after soaking in 10% caustic soda for 24 hours	Meet indicator requirements	According to the requirements of the client
Oil resistance	No significant changes observed after soaking in first grade gasoline for 24 hours	Meet indicator requirements	According to the requirements of the client
Smoke and its toxicity	"Application Rules for Individual Fire Resistance Test Procedures" Annex 1, Part 2 of the Fire Resistance Test Procedures. Smoke density DMW50; GB/T10671-2008; Extreme oxygen index:>32（ ®/ T2406-2009) Maximum smoke density: ＞ 100	The Far East Fire Test Center has conducted material smoke density and toxicity tests in accordance with the relevant requirements of Annex 1, Part 2 of the "Application Rules for Fire Resistance Test Procedures". The results show that there are requirements for smoke density and toxicity of decorative materials for walls, lining boards, or ceilings in the foot. DMW15, Limiting Oxygen Index
Low surface flammability	Annex 1 of the International Rules for the Application of Fire Test Procedures - Part 5 of the Fire Test Procedures.	Far East Fire Test Center: Surface material flammability tests were conducted in accordance with the relevant requirements of Annex 1, Part 5 of the International Rules for the Application of Fire Tests. The test results showed that the sample can be considered as a material with low flammability as required by Chapter 11-2 of the SOLAS Convention.
Toxicity	Meet the requirements of GJB3881-1999	The Non metallic Materials Testing Center of the People's Liberation Army Navy of China: meets the requirements of military standards and can be used as decoration materials for nuclear submarine cabins.

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