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[ward brush] performance parameters of sweeping brush (4)

2018/1/10

 1. Product name: full plastic sweeping brush

 2. Common dimensions:
 Inner diameter 255: outer diameter 813.
 Inside diameter 275: outer diameter 915.
 Inner diameter 295: outer diameter 950.

 3, raw materials:
 Inner ring material: import POM.
 Yield strength 225-380kpa.
 Tensile strength of 320Kpa.
 Polypropylene monofilament (imported modified POLY)
 Specification: 2.2 x 2.8
 Tensile strength: greater than 599KP.
 Elongation: 27.40%.
 Brittle point temperature - 50 ℃

 4. Fixed technology
 (1) fusion of polypropylene brush wire.
 (2) stamping

 5. Quality standards.
 (1) appearance: the brush is neatly arranged, without burr, without gel;
 (2) brushing ratio: 100% polypropylene brush wire.
 (3) tension: plastic brush wire, single wire anti-pulling force is greater than 55KP.
 (4) heat resistance: note rubber and plastic wire brush - 50 ℃ not embrittlement.