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HulunbuirFirst OBSH-75
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Phone: 0750-6680778
Product Description
Whether you need a reliable rubber blowing agent for automotive EPDM sponge seals or a clean chemical blowing agent for plastics for EVA foam midsoles, OBSH delivers consistent cell structure and full compliance with VOC regulations.
OBSH Foaming Process: From Foam bowing to High‑Quality blowing Foam
Thermal Initiation
At 140–160°C, OBSH decomposes endothermically, initiating the foam blowing process.Nucleation
Generates a large amount of gas, forming uniform bubble nuclei – this is the critical first step of foam blowing.Cell Growth
Gas continues to diffuse, cells grow uniformly, and foam blowing enters the stable expansion stage.Cell Stabilization
Upon cooling, a closed‑cell blowing foam is formed, with fine cells, no odor, and no discoloration
Advantage：
-non-blooming fast curing accelerator for rubber compounds
-non-staining accelerator for injection molding.
-effective. and stable plasticzer and process aid for most elastomers.
-process aid for NR,SBR,PDM,NBR and EVA,PVC,PE,PS .
Application：
--Automotive EPDM sponge sealing strips
OBSH enables odorless, fine‑celled EPDM sponge seals with low VOC, passing OEM requirements.
--EVA sports shoe midsoles and slippers
OBSH creates lightweight, resilient EVA foam midsoles with uniform cells and no discoloration.
--PVC foam boards and wallpapers
OBSH delivers clean PVC foam boards and wallpapers with smooth surface and color stability.
--Wire and cable foamed insulation
OBSH provides fine closed‑cell foam for wire insulation, enhancing dielectric performance without odor.
--Food‑contact grade foamed packaging
OBSH produces non‑toxic, odorless foamed packaging meeting FDA/EU food contact standards.
--Yoga mats, anti‑slip mats, and toys
OBSH gives soft, non‑staining foam for yoga mats, anti‑slip mats, and toys – safe for skin contact.
Foaming challenges? Contact us for samples or technical support. First Rubber is ready to help.
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http://www.rubberaccelerator.net/
Guozhou Industrial Park, Zhongtang Town, Dongguan, Guangdong, China
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