Abstract: An article having a multilayer base unit with elastic properties has at least one inner layer A and at least one textile reinforcement layer B and at least one intermediate layer C and at least one outer layer D, at least one intermediate layer C of the base unit being formed from a rubber compound that includes chloroprene rubber (CR) or chlorosulfonated polyethylene (CSM) or alkylated chlorosulfonated polyethylene (ACSM) or chlorinated polyethylene (CM) or chlorobutyl rubber (CIIR) or bromobutyl rubber (BIIR) or polyepichlorohydrin rubber (CO; ECO; ETER) or brominated copolymer of isobutylene and paramethylstyrene (BIMS), in each case alone or in combination, and 3 to 40 phr of at least one intumescent flame retardant, and the intermediate layer C being in direct contact with a textile reinforcement layer B.

Abstract: The invention relates to an article having a single- or multi-layered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. In order to improve its flame retardant properties, the main body of the article consists of or contains at least one layer D constructed from a rubber mixture which is free from halogen-containing flame retardants and contains at least one carbon black having a BET surface area according to DIN-ISO 9277 between 35 and 140 m2/g and an oil absorption number (OAN) according to ISO 4656 between 70 and 140 ml/100 g and a first aluminum trihydrate (ATH_1) and at least a further aluminum trihydrate (ATH_2), wherein the first aluminum trihydrate (ATH_1) and the further aluminum trihydrate (ATH_2) each have a different particle size.

Abstract: The invention relates to an article having a single- or multi-layered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. In order to improve its flame retardant properties, the main body of the article consists of or contains at least one layer D constructed from a rubber mixture which is free from halogen-containing flame retardants and contains a first aluminum trihydrate (ATH_1) and at least one further aluminum trihydrate (ATH_2) and at least one amorphous silicic acid having spherical particle geometry, wherein the first aluminum trihydrate (ATH_1) and the further aluminum trihydrate (ATH_2) each have a different particle size.

Abstract: The invention relates to an article having a single- or multi-layered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. In order to improve its flame retardant properties, the main body of the article consists of or contains at least one layer D constructed from a rubber mixture which is free from halogen-containing flame retardants and contains at least one carbon black having a BET surface area according to DIN-ISO 9277 between 35 and 140 m2/g and an oil absorption number (OAN) according to ISO 4656 between 70 and 140 ml/100g and a first aluminum trihydrate (ATH_1) and at least a further aluminum trihydrate (ATH_2), wherein the first aluminum trihydrate (ATH_1) and the further aluminum trihydrate (ATH_2) each have a different particle size.

Abstract: The invention relates to an article having a single- or multi-layered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. In order to improve its flame retardant properties, the main body of the article consists of or contains at least one layer D constructed from a rubber mixture which is free from halogen-containing flame retardants and contains a first aluminum trihydrate (ATH_1) and at least one further aluminum trihydrate (ATH_2) and at least one amorphous silicic acid having spherical particle geometry, wherein the first aluminum trihydrate (ATH_1) and the further aluminum trihydrate (ATH_2) each have a different particle size.

Abstract: The invention relates to an article having a single-layered or multilayered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. To improve the flame-retardant properties the main body of the article consists of or contains at least one layer D which is constructed from a rubber mixture which is free from halogen-containing flame retardants and contains at least one carbon black having a BET surface area according to DIN-ISO 9277 between 35 and 140 m2/g and an oil absorption number (OAN) according to ISO 4656 between 70 and 140 ml/100 g.

Abstract: The invention relates to a flexible insulating material based on a high temperature resistant rubber mixture. The insulation material for use at temperatures of more than 130° C., which is easy to apply to complex components to be insulated and also fills in undercuts, is an insulation material in which at least a portion of the rubber mixture is not crosslinked and can be plastically deformed, wherein the Mooney viscosity ML(1+4) of the mixture, determined at 23° C. according to DIN 53523 Part 3, is 5 to 20 MU.

Abstract: The invention relates to a flexible insulating material based on a high temperature resistant rubber mixture. The insulation material for use at temperatures of more than 130° C., which is easy to apply to complex components to be insulated and also fills in undercuts, is an insulation material in which at least a portion of the rubber mixture is not crosslinked and can be plastically deformed, wherein the Mooney viscosity ML(1+4) of the mixture, determined at 23° C. according to DIN 53523 Part 3, is 5 to 20 MU.

Abstract: The invention relates to a method for producing planar products from silicone rubber having a porous structure. For simplified processing and a uniform pore structure, the method is characterized in that a microbead/silicone oil mixture made of microbeads and silicone oil in a weight ratio of 10:1 to 1:10 is produced, a silicone rubber mixture having the customary mixture components is produced, the microbead/silicone oil is mixed into the silicone rubber mixture on a roller, the silicone rubber mixture is calendered into webs and the webs are vulcanized.

Abstract: The invention relates to a membrane, in particular a gas storage membrane, comprising at least two individual membrane webs that are connected to each other by at least one seam construction, wherein each individual membrane web (4, 4?) comprises at least one elastomeric layer and at least one outer layer based on PTFE. The invention further relates to a method for producing such a membrane.