CChurub Rubber™

Case Studies

Real projects with measured outcomes — compliance certifications, cost avoidance and validation data.

Pacifier Reformulation: Passing EN 1400 & FDA Double Certification
Baby Care

Pacifier Reformulation: Passing EN 1400 & FDA Double Certification

A premium baby brand needed a supplier who could pass EN 1400 and FDA 21 CFR 177.2600 after their previous vendor failed boiling-cycle testing.

Baking Mat Rescue: Solving D4/D5 Migration Before a RAPEX Recall
Food Contact

Baking Mat Rescue: Solving D4/D5 Migration Before a RAPEX Recall

A cross-border e-commerce seller faced Amazon EU complaints over smelly, sticky baking mats — we reformulated to full EU 1935/2004 + BfR compliance.

EV Battery Pack Seals: Compression Set Control at -40°C
Automotive

EV Battery Pack Seals: Compression Set Control at -40°C

A battery pack integrator needed IP68 sealing across -40°C to 150°C with 10-year service life — solved with a custom LSR foam formula.

CPAP Mask Cushions: Medical-Grade LSR Validated to ISO 10993
Medical

CPAP Mask Cushions: Medical-Grade LSR Validated to ISO 10993

A sleep-therapy device brand needed skin-contact mask cushions certified to ISO 10993 with zero odor — solved with medical-grade platinum LSR and cleanroom molding.

Menstrual Cup Launch: From Concept to FDA & EU MDR-Ready in 90 Days
Feminine Care

Menstrual Cup Launch: From Concept to FDA & EU MDR-Ready in 90 Days

A D2C femcare startup needed a medical-grade menstrual cup with US FDA material compliance and EU MDR documentation — from design to certified samples in 90 days.

Pet Travel Bowls: Passing FDA Food-Contact & Drop Tests for Amazon Launch
Pet Supplies

Pet Travel Bowls: Passing FDA Food-Contact & Drop Tests for Amazon Launch

A pet-brand seller needed collapsible LSR travel bowls that survive 10,000 fold cycles and pass FDA food-contact testing before an Amazon US launch.

Smartwatch Bands: Solving Sweat Irritation & Color Fade for a EU Brand
Wearables

Smartwatch Bands: Solving Sweat Irritation & Color Fade for a EU Brand

A European wearable brand needed hypoallergenic LSR watch bands that pass skin-contact and colorfastness testing after complaints about sweat rash on their previous bands.

Collapsible Food Containers: LFGB Compliance & 30% Lighter Lids for EU Retail
Kitchenware

Collapsible Food Containers: LFGB Compliance & 30% Lighter Lids for EU Retail

A houseware importer needed LFGB-compliant collapsible LSR containers with lighter lids to hit a retail price point — re-engineered without sacrificing seal performance.

Diving Mouthpieces: Bite-Endurance & Cytotoxicity Clearance for a Watersports OEM
Sports & Outdoor

Diving Mouthpieces: Bite-Endurance & Cytotoxicity Clearance for a Watersports OEM

A watersports OEM needed LSR snorkel and regulator mouthpieces that pass cytotoxicity testing and 8-hour bite endurance — replacing a supplier with tearing tab issues.

Cold-Shrink Cable Accessories: Grid-Ready Silicone Termination Tubes
Power & Energy

Cold-Shrink Cable Accessories: Grid-Ready Silicone Termination Tubes

A power-equipment distributor needed cold-shrink silicone termination tubes with consistent expansion ratio and tracking resistance for medium-voltage grid projects.

TWS Earbud Ear Tips: Consistent Durometer Across 3 Sizes at 10M Units/Year
Electronics

TWS Earbud Ear Tips: Consistent Durometer Across 3 Sizes at 10M Units/Year

An earbud accessories brand needed skin-contact LSR ear tips in S/M/L with uniform softness and no flash — scaled to 10M units per year across 8 colorways.

Sanitary Valve Diaphragms: Clean Steam Durability for Food & Pharma Processing
Industrial

Sanitary Valve Diaphragms: Clean Steam Durability for Food & Pharma Processing

A process-equipment distributor needed LSR diaphragms surviving 200+ clean-steam-in-place (CIP/SIP) cycles — solving swelling and cracking issues from their previous supplier.

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Case Studies — Documented Silicone Manufacturing Results | Churub Rubber