Guideline GD 40-2023 Guidelines for Approving Spraying and Foaming-in-place Process of Thermal Insulation Materials in Ship Refrigerated Compartment China Classification Society January, 2024 Guidelines for Approving Spraying and Foaming-in-place Process of Thermal Insulation Materials in ShipRefrigeratedCompartment Revision history Previous version and date:First version January1, 2024 2/2