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Flame Retardants
Newly halogen-free flame retardant
Flame Retardant
Flame Retardant Master
Batch
Specialized Flame
Retardant
HT-202A/B Halogen-free flame retardants For Glass-fiber reinforced PBT
一、 Description
Both of HT-202A and HT-202B, whose major flame retardant elements are N and P, are environment-friendly, halogen-free and intumescent flame retardants, completely compliance with RoHS and REACH regulations. While adding certain amounts to glass-fiber reinforced PBT ,the system can achieve UL94 V-0 without migration and precipitation. The system of glass-fiber reinforced PBT which are flame retarded by halogen-free flame retardants(HT-202A or HT-202B) have almost the same mechanical properties but higher anti- tracking performance compared with that of flame retarded by bromine-antimony flame retardants.Generally speaking, the halogen-free flame retardants have many features, for example, halogen-free, environment-friendly, wonderful flame retardancy, cost-effective, excellent water resistance, and are ideal substitutes of bromine-antimony in glass-fiber reinforced PBT.
二、Physical and Chemical Properties
Item
Index
HT-202A
HT-202B
Appearance
White power
White power
Nitrogen content%
≥12
≥25
Phosphorous content%
≥26
≥16
Whiteness%
≥94
≥95
Moisture%
≤0.3
≤0.3












三、 Recommendation
 
HT-202A
HT-202B
Loading
10%~12%
14%~16%
14%~16%
19%~21%
UL 94
V-0
(3.2mm)
V-0
(1.6mm)
V-0
(3.2mm)
V-0
(1.6mm)

四、 Storage and Attention
Keep in dry, room temperature and moisture proof condition, preventing the heating.
五、 Packaging
Net weight 25kg/bag, Compound paper-plastic bag and inner aluminum foil

 

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