 
				 
				Sitaram Polyplast is a leading manufacturer of electrical products for domestic and commercial use under its brand name of 'Nirmaan.' Nirmaan Conduit Pipes & Accessories are made from high quality unplasticised Poly Vinyl Chloride Resin having strong impact strenght and high insulation resistance.
Offers high thermal stress and wrinkle free bending. 
Available in Light, Medium & Heavy Mechanical stress
| Nominal Size (mm) | Maximum Outside Diameter (mm) | Tolerance Of Outside Diameter (mm) | Minimum Internal Diameter (mm) | ||||||
| Light Mechanical Stress(LMS) | Medium Mechanical Stress(MMS) | Heavy Mechanical Stress(HMS) | |||||||
| 16 | 16 | -0.3 | 13.7 | 13.0 | 12.2 | ||||
| 20 | 20 | -0.3 | 17.4 | 16.9 | 15.8 | ||||
| 25 | 25 | -0.4 | 22.1 | 21.4 | 20.6 | ||||
| 32 | 32 | -0.4 | 28.6 | 27.8 | 26.6 | ||||
| 40 | 40 | -0.4 | 35.8 | 35.4 | 34.4 | ||||
| 50 | 50 | -0.5 | 45.1 | 44.3 | 43.2 | ||||
 
							 
				| Electrical Features | ||||
|---|---|---|---|---|
| Dielectric Strength | No breakdown even at 2000V | |||
| Insulation Resistance | Resistance above 100 megaohm | |||
| Mechanical Strength | ||||
| Resistance to crushing | Excellent | |||
| Impact Results | No crack | |||
| Rigidity | Excellent | |||
| Compression Results | Excellent | |||
| Bending | ||||
| Efficient flexibility | ||||
| Heat Resistant | ||||
| No Deformation | ||||
| Combustion Resistant | ||||
| Very strong against H.D. flame | ||||