YUNZORI | Direct factory price | OEM & ODM supported | ISO 9001:2015, FDA 21 CFR 177.2600, LFGB, RoHS, REACH Product Overview Custom Silicone Profile Seal for Clean Room Door Frames is engineered and moulded in-house by Dongguan Yunze Silicone Products Co., Ltd. in Dongguan, China. Manufactured from 100% platinum-cured silicone rubber (45°A Shore A, -40°C to +250°C / -40°F to +482°F), this custom extrusion profile is designed for demanding industrial use where heat, chemical