SN9211 rtv silicone adhesive

3 month ago

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Dongguan Shuangzhan Industrial Co.,Ltd

2 year

Product details

SN-9211 Silicone Transparent Bonding Adhesive

Instant Cure | Universal Bonding | Extreme Environment Protection

Product Introduction

SN-9211 is a room-temperature curing (RTV) transparent silicone adhesive that cures by absorbing moisture from the air, releasing trace methanol (non-corrosive to PC/copper). Designed for harsh environments, it delivers superior adhesion, sealing, and insulation for electronics, machinery, and industrial materials.

Key Advantages

1. Fast Room-Temp Curing

Skin-formation ≤20 min (25°C/55%RH); full cure in 24 hours at 3mm depth.

2. Transparent & Low Odor

Excellent flowability, no irritating gases, safe for sensitive materials like PC/copper.

3. All-Round Protection

Resists mechanical/thermal shock, vibration, moisture, and dust; excellent insulation & corona resistance (dielectric strength ≥15 kV/mm).

4. Stable from -50°C to 200°C

Maintains mechanical/electrical properties in extreme temperatures.

5. Primerless Bonding

Direct adhesion to glass, metals, and plastics (e.g., ABS/PC), simplifying processes.

Technical Parameters

Pre-Cure

Item	Standard	Value
Color	Visual	Transparent
Viscosity	—	10,000±2,000 mPa·s
Density (25°C)	GB/T 15223-1994	1.0±0.05 g/cm³

Post-Cure (7 days, 25°C, 85% RH)

Item	Standard	Value
Hardness (Shore A)	GB/T 531-2008	20±5
Elongation at Break	GB/T 528-1998	≥100%
Tensile Strength	GB/T 528-2009	≥0.8 MPa
Dielectric Strength (25°C)	GB/T 1695-2005	≥15 kV/mm
Volume Resistivity	GB/T 1692-92	≥1.0×10¹⁴ Ω·cm

Application Fields

Electronics: PCB component coating/bonding, circuit protection.
Automotive/Lighting: Headlamp sealing, LED bonding.
Machinery: Sensor potting, metal-plastic structural bonding.

FAQs

Q1: What factors affect curing time?

A: Humidity and temperature are critical. Low humidity (<50%) or low temperature (<15°C) extends curing time.

Q2: Is a primer required?

A: No primer needed! Bonds directly to glass, metals, and plastics (ABS/PC/PA, etc.).

Q3: What is the shelf life? How to store?

A: 6-month shelf life at 25°C in sealed, dark conditions. Use opened containers promptly.

Q4: Is it chemical-resistant?

A: Resists oils, solvents, and atmospheric contaminants after curing.

Safety Notes

Use in ventilated areas; avoid skin/eye contact.

In case of eye contact, rinse immediately with water for 15 minutes and seek medical help.

Company Overview

Other

Q1: Are you trading company or manufacturer?

A1: We are factory with 13+ years of experience,and can provide you direct prices.

Q2: Can I get a sample before mass production?

A2: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q3: What can I buy from you?

A3: We are a manufacturer of industrial adhesive products,the main products are: Epoxy adhesive, liquid PUR, hot melt adhesive, UV adhesive, instant adhesive, acrylic structural adhesive, treatment agent, etc.

Q4: How can we guarantee quality?

A4: Always a pre-production sample before mass production;always final inspection before shipment.

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Dongguan Shuangzhan Industrial Co.,Ltd

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2 year

Main Product: INSTANT GLUE, UV GLUE , EPOXY RESIN AB GLUE, ACRYLIC STRUCTURAL AB ADHESIVE, SILICONE GLUE, HOT GLUE

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