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Product Name

4,4'-Oxybis(Benzenesulfonyl Hydrazide) (OBSH)

Other Name

4,4'-Oxydibenzenesulfonyl Hydrazide; P,P'-Oxydibenzenesulfonyl Hydrazide; OBSH; Blowing Agent OBSH; OT;OB;

CAS No

80-51-3

Molecular Formula

C12H14O5N4S2

Product Usage

1.when we use the product only, it can create tiny, high quality and uniform stomatal structure. The foam product is odourless, tasteless, non-pollution and colourstay, so it is very suitable for the foam products which are without smell and with light colour.
2.The product can apply to natural rubber (e.g. EPDM, SBR, CR, FKM, IIR, NBR), synthetic rubber (e.g. PVC, PE, PS, ABS) and thermoplastic products. It’s also used for making rubber-resin mixture.
3.The product has fine insulativity and can be used for making wire and cable.
4.In certain situations, it can be used as foaming agent as well as corss-lingking agent in curing mechanism
5.This product is the most commonly used foaming agent. It can play its role with other foaming agent. As its wide use, OBSH is also known as universal foaming agent.

Check-Point

Unit

Specifications

Appearance

--

White Powder

Purity

% min

98

Water

% max

0.5

Dec.Temp (5℃/min In Air)

°C

152-162

Gas Volume In Air

ml/g

125

PH

--

5-8