Clumping رمل القطط Buying Guide

Clumping is one of the most important performance factors for cat litter. This guide explains how clumping works, how it is measured, and how to select the right product for your market.

1. How Clumping Works

Clumping cat litter forms solid masses when it comes into contact with moisture (typically cat urine). The clumps can be scooped out, leaving the rest of the litter clean.

• بنتونيت (sodium montmorillonite) absorbs moisture and swells. Sodium ions in the bentonite structure allow the granules to bond together when wet.
• توفو (soy fiber) absorbs moisture and forms soft, scoopable clumps. The protein content in soy fiber helps the binding.
• كسافا (tapioca starch) absorbs moisture and forms gelatinous clumps. Starch molecules bond when wet.

2. Clumping Strength Measurement

Clumping strength is measured in Newtons (N) using a clump strength tester:

• Sample (50g) is placed in a standardised container.
• 10ml of water is added to simulate urine.
• Clump forms after 3 seconds.
• Clump is lifted using a force gauge.
• Maximum force before clump breaks is recorded as clumping strength.

Tier	Clumping Strength	Typical Material
Premium	≥ 8N	Ball-granule bentonite (premium grade)
Standard	5N–8N	Ball-granule bentonite (mid-grade)
Value	3N–5N	Crushed bentonite
Soft	3N+	توفو, cassava (soft scoopable)

3. Clumping Performance by Material

Ball بنتونيت

• Strength: 8N+ (premium)
• Time to clump: 3 seconds
• Scoop experience: Rock-solid clumps. Stays intact during scooping.
• Best for: Multi-cat households, longer cleaning intervals, mainstream retail.
• Trade-off: Higher cost per liter than crushed bentonite.

Crushed بنتونيت

• Strength: 5N+ (value tier)
• Time to clump: 3–5 seconds
• Scoop experience: Solid but may crumble under heavy scoop.
• Best for: Value-tier retail, bulk wholesale, budget-conscious buyers.
• Trade-off: Lower cost, but slightly weaker clumping.

توفو

• Strength: 3N+ (soft)
• Time to clump: 2–3 seconds
• Scoop experience: Soft, scoopable clumps. Breaks apart more easily than bentonite.
• Best for: Eco-focused brands, EU retail, single-cat households.
• Trade-off: Higher cost, flushable, soft texture.

كسافا

• Strength: 3N+ (soft)
• Time to clump: 2–3 seconds
• Scoop experience: Gelatinous clumps. Requires gentle scooping.
• Best for: Premium eco brands, JP / KR retail, sifting boxes.
• Trade-off: Higher cost, not flushable, soft texture.

• Strength: n/a (pellet form, no hard clumps)
• Time to absorb: 5–10 minutes (full saturation)
• Scoop experience: Pellets disintegrate gradually. Best with sifting boxes.
• Best for: Refill programs, eco retail, vet clinics.
• Trade-off: Different texture, requires sifting.

4. How to Evaluate Clumping Performance

When evaluating a sample:

1. Time to clump: Pour 10ml of water on 50g of litter. Clumps should form in 3 seconds.
2. Clump integrity: Lift the clump with a slotted spoon. Premium clumps should hold together.
3. Scoop test: Scoop the clump into a waste container. Drop it from 10cm. Premium clumps should not break.
4. Re-wet test: Place a clump on fresh litter, pour 5ml of water. Premium clumps should not break apart.
5. Multi-cat test: If possible, test in a multi-cat household. Premium clumps should hold up under high use.

5. Specifications to Require from Your Supplier

• Clumping strength: ≥ 8N (premium), 5N+ (value), 3N+ (soft).
• Time to clump: ≤ 3 seconds.
• Granule integrity: ≥ 95% (premium), ≥ 90% (value).
• Moisture: ≤ 8% (premium), ≤ 9% (value).
• COA per batch: Required.

6. Common Misconceptions

• “Stronger is always better”: Not necessarily. Premium clumping (8N+) is best for multi-cat households. Soft clumping (3N+) is sufficient for single-cat households and easier on sensitive paws.
• “All bentonite clumps the same”: False. Ball-granule bentonite is round and clumps harder. Crushed bentonite is irregular and clumps softer.
• “Cheap bentonite clumps as well”: Not usually. Lower-grade bentonite may have impurities that reduce clumping strength.

7. OEM Considerations

If you are launching a private label clumping cat litter:

• Positioning: Clumping strength is a key performance claim. “Strong clumping in 3 seconds” is a strong claim.
• Lab validation: Independent lab testing is recommended for clumping strength claims.
• Marketing assets: Video demonstrations of clumping performance are very effective.
• Retailer questions: Prepare a Q&A document addressing clumping-related questions.

Key Takeaways

1. Clumping strength is measured in Newtons (N). Premium is ≥ 8N.
2. Evaluate samples with the 5-step test: time, integrity, scoop, drop, re-wet.
3. Redhill offers clumping options across all six cat litter types.