Product Introduction

The sheet former is a multi-functional laboratory instrument designed for converting pulp into standard test handsheets. Manufactured in accordance with ISO 5269/2, GB/T 24324-2009, QB/T 3703-1999, TAPPI T-205, and related standards, it integrates sheet forming, vacuum filtration, pressing, and drying into a single unit—completing the full process from fiber to finished specimen. The device features both pneumatic and manual mixing modes, a self-designed water-circulating vacuum pump for low-noise, maintenance-free operation, and an integrated heating plate with thermally conductive silicone grease for uniform heat distribution. The entire machine is built from 304 stainless steel with all seals made from silicone, while a wet-dry separation design ensures electrical safety. It is broadly applicable to pulp and paper research, education, and specialty fiber wet-laid forming.

Key Features
Multi-standard Compliance: Conforms to ISO 5269/2, GB/T 24324-2009, QB/T 3703-1999, TAPPI T-205, ensuring results are widely accepted across laboratories.
Integrated Design: Combines sheet forming, vacuum filtration, pressing, and drying in one machine, significantly improving workflow efficiency.
Dual Mixing Modes: Standard pneumatic and manual mixing. The patented pneumatic mixing design ensures excellent fiber dispersion, eliminating uneven sheets and pinholes.
Water-Circulating Vacuum System: Self-designed water-circulating pump runs quietly with high suction, requires no oil changes, and avoids the maintenance issues of traditional oil-based vacuum pumps.
Precision Temperature Drying: Integrated heating plate with silicone grease heat transfer; drying temperature adjustable up to 140°C with digital control for even heating and consistent sheet quality.
304 Stainless Steel Build: All major components and wet-end parts are 304 stainless steel, corrosion-resistant and easy to clean. Wet-dry separation design prevents water damage to electrical parts.
Silicone Seals: All gaskets are made from durable silicone, resistant to aging with minimal elastic change, eliminating leakage caused by traditional rubber gasket degradation.
White Water Recirculation: Built-in recirculation system reuses water, reducing consumption and fiber loss.
Safe and Convenient Operation: All electrical controls are top-mounted, keeping them away from water contact while providing easy access.
Broad Applicability: Suitable for wet-laid forming of plant fibers, glass fibers, carbon fibers, nanomaterials, and more.

Technical Specifications

FAQ
1. Uneven sheet, thick and thin spots
Poorly dispersed pulp, strong water impact, or unlevel screen. Disintegrate pulp thoroughly, add water slowly, and level the forming wire.
2. Holes, tears, or missing edges in sheet
Fiber clumps or debris in stock, overly rapid vacuum, rough sheet removal. Filter impurities, slow the dewatering process, and handle wet sheets gently.
3. Water leaking from forming cylinder
Aged gasket, misaligned cylinder, or loose clamps. Replace silicone gasket, align and secure cylinder clamps.
4. Weak vacuum, slow dewatering
Clogged pump filter, air leaks in lines, or full water collection tank. Clean filter, check line seals, and drain tank promptly.
5. Excessive bubbles, irregular sheet texture
Air entrapment from rapid water filling. Pour water slowly and steadily to minimize surface turbulence.
6. Screen clogging, fiber buildup
Insufficient cleaning after use, dried fiber residues. Thoroughly rinse screen and cylinder after each experiment.
7. Stiff or noisy column movement
Dust on guides, lack of lubrication, loose fasteners. Clean guides, tighten fittings, and lubricate lightly on schedule.

After-Sales Service
Thank you for your inquiry. Shandong Annimet Instrument Co., Ltd., established in 2007, has dedicated nearly two decades to the R&D, production, and sales of quality testing instruments. We regard product quality as the lifeblood of our enterprise and pursue excellence in every product developed. Looking back at the history of scientific and technological development, we firmly believe that every product is born from technological advancement, every technology derives from material exploration, every material discovery depends on process improvement, and every process improvement relies on experimental support. Humanity never lacks ideas; we need the means to realize them. Annimet Instrument will consistently provide the tools for your ideas and creativity. Should you have any questions, please feel free to contact our customer service team—we are fully committed to providing excellent pre-sales, in-sales, and after-sales service.