What is the minimum thickness for a GRP squatting pan?

The minimum thickness of the laminate at any point shall be 3 mm (Clause 6.3).

What load should a GRP pan be able to withstand?

It must withstand a vertical load of 4 kN (400 kgf) applied over a 100 mm diameter area without any damage (Table 2).

What is the maximum allowed water absorption?

The maximum water absorption is 0.5 percent by mass after 24 hours immersion (Table 2).

What is the minimum required glass content?

The minimum glass content in the laminate shall be 30 percent by mass (Clause 4.2.2).

IS 11246

: 1992

glass fibre reinforced polyester resins (GRP) squatting pans

CurrentSpecializedSpecificationBIMMEP · Sanitary Appliances and Water Fittings

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This standard specifies the requirements for materials, dimensions, construction, workmanship, and performance of Glass Fibre Reinforced Polyester (GRP) squatting pans. It covers aspects like material composition, physical properties such as load resistance and water absorption, and outlines testing methods to ensure product quality. The standard is intended for use by manufacturers and for procurement of GRP sanitary ware.

glass fibre reinforced polyester resins (GRP) squatting pans

Quick Reference Values

Minimum glass content by mass30%

Minimum thickness of laminate3 mm

Minimum Barcol hardness40

Maximum water absorption (24h immersion)0.5%

Minimum load resistance4 kN (400 kgf)

Resistance to chemical solutions (acetic acid, soda ash)No effect on surface

Practical Notes

Ensure the surface finish is smooth, non-porous, and free from cracks or crazing to maintain hygiene and ease of cleaning.

Verify the manufacturer's test certificate for compliance with performance requirements like load resistance (400 kgf) and Barcol hardness, which are critical for durability.

While lightweight, GRP pans must be installed on a level and solid base to prevent stress cracking under load during installation and use.