BS 3735:1987 pdf free.Specification for plastics and rubber dustbin lids.
This British Standard BS 3735 specifies requirements for dustbin lids manufactured from polymeric compounds of thermoplastics or rubber or a combination of both, suitable for use with dusthins which comply with BS 4998 or, in the case of low carbon (mild steel) dustbins, which comply with BS 792.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.
For the purposes of this British Standard, the following definitions apply.
a plastics material capable of being repeatably softened by heat and hardened by cooling.
a solid material with elastic properties made from latex from living plants or synthetically.
The material from which the lid is produced shall be a polymeric compound of thermoplastics or rubber or a combination of both.
The minimum mass of the lid shall be:
Type 1: 0.50 kg;
Type 2: 0.55 kg;
Type 3: 2.00 kg.
6 Design requirements
6.1 The lid shall be round with both the inside and outside surfaces smooth and free from flashes and shall have no sharp edges.
6.2 The lid shall be provided with either:
a) a handle having a grip of not less than 80 mm in length with a clear unobstructed projection of not less than 25 mm, the gripping part of which shall be radiused all round to eliminate sharp corners or edges; or
b) a handle having a length of not less than 80 mm and a solid projection of not less than 25 mm.
Where the lid is designed to lift off the bin, the grip/handle shall be centrally situated.
6.3 The lid top shall be convex with no cavities which would prevent the drainage of water. The lid shall be so designed as to remain secure when the dustbin is tilted at an angle of 45°, without the assistance of attachments or clips. Where the lid enters or overlaps the bin body for which it is designed it shall have a minimum entry or overlap height of 30 mm, with a maximum radial clearance of 10 mm diametral.BS 3735 pdf download.