CAUSES AND REMEDIES GIVEN FOR THE FOLLOWING PAPER MAKING ISSUES. Ash too high Ash too low Basis weight variation in CD Basis weight variation in MD Burst factor –high Burst factor -low Blow marks Brightness - high Brightness – low Broke spots Bubbles Bulk - high Bulk - low Calendar blackening Calendar cuts Caliper variation Cockling Couch mark Crushing at couch Crushing at dandy Crushing at press Curling Dandy marks Densometer high Densometer low Dirt in the sheet Dirt on the sheet Dust in reels Feather and jagged edges Feathering Finish - MF high Finish - MF low Finish MG Foam Formation cloudy or mild Formation streaky Fuzz - Lint Galvanising Grainy edges Holes caused by pitch Holes caused by slime Holes slugs waterdrops Internal bonding too high Internal bonding too low Internal sizing too high Internal sizing too low Loose paper in reel Opacity high Opacity low Pickout from the dryers Pickout from the stock additives pickout from the wet end press Pick too high Pick too low Press felt marks Puffy paper Ridges Shadow marks or shell marks Silvers and dirt in the sheet Soft spots and hard spots Stiffness too high Stiffness too low Stretch too high Stretch too low Tear too high Tear too low Tensile too high Tensile too low Turnovers at the edge Water absorbency Wet streaks Winder cracks Wire impression Wiremarks from seam marks Wiremarks from wire patches Wire marks ridges Water marking with dandy-dandy marks water marking with dandy-crushing Water marking with dandy- defective dandy Water marking with dandy-picking Water marking with dandy-poor impression Worms Wrinkles at dryers Wrinkles at press Wrinkles at reel
Updated on
Jun 21, 2023
Education
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.