T/SGX 21-2024 Active Group standards

T/SGX 21-2024 Silicone Sponge

T/SGX 21-2024

Publish Date: 2024-12-16 Implement Date: 2025-01-16 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SGX 21-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Rubber latex products

ICS Name: Other rubber and plastic products

Publish Date: 2024-12-16

Implement Date: 2025-01-16

Scope

Scope: This document specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for silicone sponges. This document applies to the production, sales, and inspection and certification of silicone sponges used in bedding, sofa products, and underwear products made from liquid silicone rubber and reticulated polyurethane composites. Main technical contents: Table 1 - Performance Requirements: Odor≥7, Heat resistance: No obvious deformation after soaking in 100°C water for 20 minutes; Cold resistance: No obvious deformation after being placed in a -30°C environment for 24 hours; Rebound/%≥40; Thickness loss due to fatigue/%<5; Hardness loss due to fatigue/%<25; Tensile strength/kPa:≥90 before dry heat aging and≥70 after dry heat aging; Elongation at break/%:≥150 before dry heat aging and≥120 after dry heat aging; Table 3 - Silicone Content Requirements: Silicone sponge density: 45 kg/m3~60 kg/m3, 60 kg/m3(inclusive)~80 kg/m3,≥80 kg/m3; Silicone content≥52%,≥60%,≥70%; Table 4 - Hygiene Performance Requirements of Silicone Sponges: pH value: 6~7.5; Formaldehyde/(mg/kg)≤10; Antimold performance: Grade 0.