Abstract: There are provided a thermally expandable fire-resistant material for battery pack and a fire-resistant sheet for battery pack, which have high flame retardancy and thermal insulation properties to thermal runaway and ignition of on-vehicle batteries. The thermally expandable fire-resistant material for battery pack is one to be used for a battery pack to be mounted on vehicles, and contains a resin and a thermally expandable compound, and has an expansion ratio in a case where heated at 600° C. of 2.5 times or more.

Abstract: Fire-resistant laminate 20 comprises base material 21 and fire-resistant resin layer 22 disposed on at least one side of the base material 21. The fire-resistant resin layer 22 formed of a fire-resistant resin composition, the composition comprising a resin and at least one fire-resistant additive selected from the group consisting of an endothermic agent, a flame retardant, and a thermally expandable layered inorganic matter, and the softening point or melting point of the base material 21 being 300° C. or higher.

Abstract: A fire-resistant resin composition comprises an endothermic agent having a thermal decomposition onset temperature of 800° C. or lower and an amount of heat absorbed of 300 J/g or larger, and a resin, a content of the endothermic agent per 100 parts by mass of the resin being 10 to 10000 parts by mass.

Abstract: The closed cell foam sheet of the present invention is a closed cell foam sheet having a thickness of 0.05 to 0.35 mm, wherein the foam sheet has a 25% compressive stress of 30 to 100 kPa, a tensile strength in MD of 3,000 to 15,000 kPa, a tensile strength in TD of 1,800 to 9,800 kPa, and a recovery time of 0.1 seconds or less after the foam sheet is pressed for 5 seconds by 5 N and then released.

Abstract: The closed cell foam sheet of the present invention is a closed cell foam sheet having a thickness of 0.05 to 0.35 mm, wherein the foam sheet has a 25% compressive stress of 30 to 100 kPa, a tensile strength in MD of 3,000 to 15,000 kPa, a tensile strength in TD of 1,800 to 9,800 kPa, and a recovery time of 0.1 seconds or less after the foam sheet is pressed for 5 seconds by 5 N and then released.

Abstract: The foamable composition according to the present invention comprises a copolymer of ethylene, an ?-olefin and a non-conjugated diene, a blowing agent, a crosslinking agent, a catalyst and a reaction suppressor, wherein in the foamable composition, the storage elastic modulus at 23° C. as measured by a viscoelasticity measuring apparatus is 2×104 Pa or lower, and the storage elastic modulus after the foamable composition is held at 115° C. for 200 seconds is 5×104 Pa or higher; thereby, a foam body having a low expansion ratio, a low compression strength and a high cushioning property can be produced.

Abstract: The foamable composition according to the present invention comprises a copolymer of ethylene, an ?-olefin and a non-conjugated diene, a blowing agent, a crosslinking agent, a catalyst and a reaction suppressor, wherein in the foamable composition, the storage elastic modulus at 23° C. as measured by a viscoelasticity measuring apparatus is 2×104 Pa or lower, and the storage elastic modulus after the foamable composition is held at 115° C. for 200 seconds is 5×104 Pa or higher; thereby, a foam body having a low expansion ratio, a low compression strength and a high cushioning property can be produced.

Abstract: Provided is a porous body, which is formed of a resin obtained by crosslinking a copolymer of ethylene, an ?-olefin, and a non-conjugated diene, wherein porosity of the porous body is in the range of 50 to 95% by volume, strength of the porous body at 50% compression is 300 kPa or less, and compression set (A) under atmosphere at a temperature of 80° C. and a relative humidity of 90% is 20% or less.