Product Introduction
The Double Sphere Expansion Joint is composed of inner adhesive layer, reinforcing layer, multi-layer scraped nylon cord fabric and outer adhesive layer. According to the media used in Double Sphere Expansion Joint rubber materials are also different, there are natural rubber, styrene-butadiene rubber, butyl rubber, nitrile rubber, EPDM, chloroprene rubber, silicone rubber, fluororubber and so on. They are heat-resistant, acid resistant, alkali resistant, corrosion resistant, wear resistant and oil resistant.
Product Auality Requirements
Appearance quality product specifications Dimensions: Appearance quality is determined by visual inspection. Product specifications are measured with vernier calipers or tape measures.
Double Sphere Expansion Joint physical property test
1. The tensile strength and elongation at break of the rubber compound are determined in accordance with the provisions of GB/T528.
2. The hardness of the rubber is measured according to the provisions of GB/T531.
3. The brittleness temperature test of the rubber compound is carried out in accordance with the provisions of GB/T1682.
ALLTO is professional expansion joint and flange and pipe fittings manufacturer with trading in one .
So we have the advantages in production and exporting .
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