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Specialty Wet Strength Abrasive Base Paper

Abrasive Kraft Paper (SKWS)

Specialty Wet Strength Abrasive Base Paper

Abrasive Kraft Paper (SKWS)

ASPHA's Abrasive Kraft Paper (SKWS) is a specialty product developed entirely in-house, widely used as a base paper in the coated abrasive industry, providing superior high strength and wet strength.

Before our entry into the market, this product was entirely imported in India. With our breakthrough innovation, we have firmly established ourselves as one of the leading suppliers of wet strength paper to all major market leaders in the abrasive industry in India. Available in reels of 37" (940 mm) width, in Natural and various shades, with GSM options of 100, 120, 140, 150 and 220 GSM.

Available Shades & Applications

Shade Application
Natural / Yellow / White / Brown Coated Abrasives Manufacturing – used as the base material for Silicon Carbide & Aluminum Oxide, sandpapers, and abrasive belts.
SKWSWet StrengthAbrasive Base PaperKraft100–220 GSMMade in India
Abrasive Kraft Paper by Aspha Board
Abrasive Kraft Paper — SKWS

Technical Specifications

Product CodeSKWS
Reel Width37" (940 mm)
GSM Options100, 120, 140, 150, 220 g/m²
ColoursNatural / Yellow / White / Brown
Cobb (60 sec)Max 20–22 g/m²
Porosity120–240 sec/100ml (by grade)
Bursting FactorMin 42–50 (by grade)
Dry Tensile MDMin 20–30 kg/15mm (by grade)
Dry Tensile CDMin 4.6–10 kg/15mm (by grade)
Wet Tensile MDMin 4.6–10 kg/15mm (by grade)
Wet Tensile CDMin 2.3–5 kg/15mm (by grade)
pH Aqueous Extract4.5 ± 0.5
Moisture ContentMax 5.3–5.5%

Full Specification Table

All values measured under our in-house lab conditions per applicable standards.

Characteristic Units Tol. 100 GSM 120 GSM 140 GSM 150 GSM 220 GSM
Basic Weight g/m² Range 100±5 120±5 140±5 150±5 220±5
Thickness mm Range 0.13+0.02/−0.01 0.16+0.02/−0.01 0.18+0.02/−0.01 0.195+0.02/−0.01 0.29+0.02/−0.01
Cobb (60 sec) g/m² Max 22 20 20 20 20
Porosity sec/100ml Range 120–130 Min 150 180–220 180–220 200–240
Bursting Factor Min 45 48 48 50 42
Dry Tensile MD kg/15mm Min 20 22 26 28 30
Dry Tensile CD kg/15mm Min 4.6 5.6 6.5 7 10
Wet Tensile MD kg/15mm Min 4.6 5.6 6.5 7 10
Wet Tensile CD kg/15mm Min 2.3 2.8 3.2 3.5 5
pH Aqueous Extract Range 4.5±0.5 4.5±0.5 4.5±0.5 4.5±0.5 4.5±0.5
Moisture Content % Max 5.3 5.4 5.5 5.5 5.5

Results obtained from tests are based on our in-house lab conditions. These results may vary under different conditions, and we are not legally liable for any assurances or values obtained outside our specified test parameters.

Key Applications

Industries where Abrasive Kraft Paper is commonly applied.

Woodworking & Furniture
Metalworking & Grinding
Automotive Body Finishing
Silicon Carbide Sandpaper Base
Aluminum Oxide Abrasives
Abrasive Belt Manufacturing

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