Lamtuf Plastics Ltd. - Products - Fabric Sheets

GRADE	LPF - 1 (F1)

COLOUR	Sheets are supplied in natural color, but can be also supplied as per requirement i.e. Dark Brown or Black Color.

THICKNESS	0.4 MM - 150.0 MM.

DESCRIPTION	LPF - 1 Grade material is manufactured from fine weave scoured Cotton fabric. This has got good electrical and mechanical Properties and can be machined to a fine finish. This is suitable For small components such as instrument gears as well as intricate Machined items.

SIZE	Standard sizes are 2440mm x 1220mm or 1220mm x 1220mm or 1220mm x 610mm or 610mm x 610mm.

TOLERANCES	Sheets are supplied as per tolerance specified in IS:2036. Material can be supplied with still closer tolerance as per customers requirement.

Properties

Units

Average
Test Results

Value As Per
IS:2036 -1995

Mechanical

Tensile Strength

Kgf/cm²

780

Flexural Strength/Cross
Breaking Strength

Kgf/cm²

1475

1350 Min.

Shear Strength

Kgf/cm²

740

650 Min.

Impact Strength (Edgewise)
(Charpy method)

KJ/m²

6 Min

Specific Gravity

1.35

Electrical

Electrical Strength in Oil at 90º C

* Flat wise 1.6 mm Thickness

Kv/mm

2.50

1.21Min.

* Edgewise 3.2mm thickness

2.0 min

Insulation Resistance after
immersion in water for 24hrs. at 20º C

Meg Ohms

1.0 Min.

Water Absorption:

(Specimen size -50 ± 1 mm square)

* Thickness

0.8

6.0

16.0

25.0

* Maximum values

201

277

354

420

* Average Test Results

180

235

305

380

SPECIFICATIONS MET: BS:2572:GRADE F1/EN - 60893-3-4-PFCC203