Chemicals used in industry; unprocessed plastics; adhesives used in industry; chemical products for use in producing sealants; sealant preparations for motor vehicle tyres to prevent punctures; compositions for repairing inner tubes of tyres; cement for pneumatic tyres; chemical preparations for use in the repair of tyres; mastic for tyres; chemical preparations for use in the treatment of tyres; preparations for repair of tyres; tyre repair adhesives; tyre repair composites; sealants (chemicals) for the sealing of tyres; water soluble tyre sealants