Material quality is the single most important factor in adult product manufacturing. The material directly contacts the human body, making safety non-negotiable. Yet the market is flooded with misleading claims — “medical-grade silicone” has become a marketing buzzword that doesn’t always reflect reality.
This guide gives B2B buyers the technical knowledge to evaluate materials with confidence.
Understanding Silicone Grades
Not all silicone is created equal. There are three main grades used in manufacturing:
Medical Grade
Platinum-cured, biocompatible, non-porous. Tested to ISO 10993 standards. The gold standard for body-contact products.
Food Grade
Safe for food contact, meets relevant food safety standards. Acceptable for adult products but less refined than medical grade.
Industrial Grade
Designed for seals, gaskets, and industrial applications. NOT suitable for body contact. Lower purity, potential irritants.
Platinum-Cured vs Tin-Cured Silicone
This is the most important distinction in silicone quality:
Platinum-Cured (Addition Cure)
-
Uses platinum catalyst — inert and non-toxic
-
No byproducts during curing
-
Odorless and tasteless
-
Non-porous surface — bacteria resistant
-
Higher cost but superior quality
-
Preferred for all body-contact applications
Tin-Cured (Condensation Cure)
-
Uses tin (organotin) catalyst
-
Releases byproducts during curing (acetic acid or alcohol)
-
May have slight odor initially
-
Slightly porous surface over time
-
Lower cost, easier to process
-
Acceptable for external-use products only
Direct Comparison
| Property | Platinum-Cured | Tin-Cured |
|---|---|---|
| Catalyst | Platinum (inert) | Tin (organotin) |
| Byproducts | None | Acetic acid / alcohol |
| Porosity | Non-porous | Slightly porous over time |
| Odor | Odorless | May have initial odor |
| Biocompatibility | Excellent | Moderate |
| Durability | 10+ years | 5–8 years |
| Cost | Higher (+30–50%) | Lower |
| Recommended use | All adult products | External use only |
TPE: The Silicone Alternative
TPE (Thermoplastic Elastomer) is widely used as a lower-cost alternative to silicone:
TPE Advantages:
- Significantly lower material cost
- Softer, more realistic feel
- Easier to mold complex shapes
- Good for realistic products
- Recyclable material
TPE Limitations:
- Porous material — harder to clean
- Shorter product lifespan
- May contain phthalates (check carefully)
- Less heat resistant
- Can degrade with certain lubricants
- Not suitable for all product types
ABS Plastic in Adult Products
ABS (Acrylonitrile Butadiene Styrene) is the most common hard plastic used in adult products:
Body-Safe
Non-porous, phthalate-free, and hypoallergenic when properly manufactured.
Durable
Impact-resistant, maintains shape, and withstands repeated use without degradation.
Versatile
Easy to mold, paint, and finish. Supports metallic, matte, and glossy surface treatments.
Cost-Effective
Lower material and processing costs compared to silicone. Ideal for internal components and handles.
How to Test Material Quality
As a buyer, here are practical ways to verify material claims:
Request Material Data Sheets (MDS)
Every reputable manufacturer should provide material data sheets specifying the exact silicone brand, grade, and shore hardness used.
Check for Odor
Quality platinum-cured silicone is completely odorless. Any chemical smell indicates tin-cured silicone or lower-grade materials.
Perform the Flame Test
Pure silicone burns to white ash. If it produces black soot or melts, it contains fillers or is not pure silicone. (Test on a small sample only.)
Check Surface Quality
Quality silicone has a smooth, consistent surface without bubbles, discoloration, or rough patches. Run your fingers over the entire surface.
Request Third-Party Test Reports
Ask for SGS, TÜV, or Intertek test reports covering biocompatibility, phthalate content, and heavy metals for the specific product model.
Shore Hardness Guide
Shore hardness measures how soft or firm the silicone feels:
| Shore A Rating | Feel | Common Use |
|---|---|---|
| 0–10 | Extremely soft, gel-like | Realistic products, soft-touch surfaces |
| 10–20 | Very soft, highly flexible | Insertable products, kegel balls |
| 20–40 | Soft, good flexibility | Most vibrators, dildos |
| 40–60 | Medium firm | Handles, structural components |
| 60–80 | Firm, rigid feel | Buttons, hard-shell products |
Material Selection by Product Type
- Bullet vibrators → ABS body + silicone coating (Shore 30–40)
- Wand massagers → ABS handle + silicone head (Shore 20–30)
- Kegel trainers → Full silicone (Shore 15–25), medical grade
- Realistic products → TPE or dual-density silicone (Shore 0–15)
- Anal products → Silicone with firm base (Shore 30–50)
- Suction toys → Silicone nozzle (Shore 10–20) + ABS body
Conclusion
Understanding materials is fundamental to sourcing quality adult products. Don’t rely on marketing claims — request documentation, test samples, and work with manufacturers who are transparent about their material sourcing and testing processes.
Quality Materials, Verified Safety
POLYELE uses platinum-cured medical-grade silicone across our product range. Every batch is tested for biocompatibility, phthalates, and heavy metals. Request material certificates for any product in our catalog.
Request Material Certificates →
Loading comments...